Changeset - d882262f4f68
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0 0 5
nathang - 15 years ago 2010-07-09 22:34:20
ngelderloos7@gmail.com
Added javascript
5 files changed with 4446 insertions and 0 deletions:
0 comments (0 inline, 0 general)
scripts/displayTables.js
Show inline comments
 
new file 100644
 
$(document).ready(function() {
 

	
 
function hideAllButFirst(){
 
	jQuery('.week').hide();
 
};
 

	
 
hideAllButFirst();
 

	
 
}
 
\ No newline at end of file
scripts/effects.js
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new file 100644
 
// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
 
// Contributors:
 
//  Justin Palmer (http://encytemedia.com/)
 
//  Mark Pilgrim (http://diveintomark.org/)
 
//  Martin Bialasinki
 
// 
 
// See scriptaculous.js for full license.  
 

	
 
// converts rgb() and #xxx to #xxxxxx format,  
 
// returns self (or first argument) if not convertable  
 
String.prototype.parseColor = function() {  
 
  var color = '#';  
 
  if(this.slice(0,4) == 'rgb(') {  
 
    var cols = this.slice(4,this.length-1).split(',');  
 
    var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);  
 
  } else {  
 
    if(this.slice(0,1) == '#') {  
 
      if(this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();  
 
      if(this.length==7) color = this.toLowerCase();  
 
    }  
 
  }  
 
  return(color.length==7 ? color : (arguments[0] || this));  
 
}
 

	
 
/*--------------------------------------------------------------------------*/
 

	
 
Element.collectTextNodes = function(element) {  
 
  return $A($(element).childNodes).collect( function(node) {
 
    return (node.nodeType==3 ? node.nodeValue : 
 
      (node.hasChildNodes() ? Element.collectTextNodes(node) : ''));
 
  }).flatten().join('');
 
}
 

	
 
Element.collectTextNodesIgnoreClass = function(element, className) {  
 
  return $A($(element).childNodes).collect( function(node) {
 
    return (node.nodeType==3 ? node.nodeValue : 
 
      ((node.hasChildNodes() && !Element.hasClassName(node,className)) ? 
 
        Element.collectTextNodesIgnoreClass(node, className) : ''));
 
  }).flatten().join('');
 
}
 

	
 
Element.setContentZoom = function(element, percent) {
 
  element = $(element);  
 
  Element.setStyle(element, {fontSize: (percent/100) + 'em'});   
 
  if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);
 
}
 

	
 
Element.getOpacity = function(element){  
 
  var opacity;
 
  if (opacity = Element.getStyle(element, 'opacity'))  
 
    return parseFloat(opacity);  
 
  if (opacity = (Element.getStyle(element, 'filter') || '').match(/alpha\(opacity=(.*)\)/))  
 
    if(opacity[1]) return parseFloat(opacity[1]) / 100;  
 
  return 1.0;  
 
}
 

	
 
Element.setOpacity = function(element, value){  
 
  element= $(element);  
 
  if (value == 1){
 
    Element.setStyle(element, { opacity: 
 
      (/Gecko/.test(navigator.userAgent) && !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ? 
 
      0.999999 : 1.0 });
 
    if(/MSIE/.test(navigator.userAgent) && !window.opera)  
 
      Element.setStyle(element, {filter: Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'')});  
 
  } else {  
 
    if(value < 0.00001) value = 0;  
 
    Element.setStyle(element, {opacity: value});
 
    if(/MSIE/.test(navigator.userAgent) && !window.opera)  
 
     Element.setStyle(element, 
 
       { filter: Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'') +
 
                 'alpha(opacity='+value*100+')' });  
 
  }
 
}  
 
 
 
Element.getInlineOpacity = function(element){  
 
  return $(element).style.opacity || '';
 
}  
 

	
 
Element.childrenWithClassName = function(element, className, findFirst) {
 
  var classNameRegExp = new RegExp("(^|\\s)" + className + "(\\s|$)");
 
  var results = $A($(element).getElementsByTagName('*'))[findFirst ? 'detect' : 'select']( function(c) { 
 
    return (c.className && c.className.match(classNameRegExp));
 
  });
 
  if(!results) results = [];
 
  return results;
 
}
 

	
 
Element.forceRerendering = function(element) {
 
  try {
 
    element = $(element);
 
    var n = document.createTextNode(' ');
 
    element.appendChild(n);
 
    element.removeChild(n);
 
  } catch(e) { }
 
};
 

	
 
/*--------------------------------------------------------------------------*/
 

	
 
Array.prototype.call = function() {
 
  var args = arguments;
 
  this.each(function(f){ f.apply(this, args) });
 
}
 

	
 
/*--------------------------------------------------------------------------*/
 

	
 
var Effect = {
 
  _elementDoesNotExistError: {
 
    name: 'ElementDoesNotExistError',
 
    message: 'The specified DOM element does not exist, but is required for this effect to operate'
 
  },
 
  tagifyText: function(element) {
 
    if(typeof Builder == 'undefined')
 
      throw("Effect.tagifyText requires including script.aculo.us' builder.js library");
 
      
 
    var tagifyStyle = 'position:relative';
 
    if(/MSIE/.test(navigator.userAgent) && !window.opera) tagifyStyle += ';zoom:1';
 
    element = $(element);
 
    $A(element.childNodes).each( function(child) {
 
      if(child.nodeType==3) {
 
        child.nodeValue.toArray().each( function(character) {
 
          element.insertBefore(
 
            Builder.node('span',{style: tagifyStyle},
 
              character == ' ' ? String.fromCharCode(160) : character), 
 
              child);
 
        });
 
        Element.remove(child);
 
      }
 
    });
 
  },
 
  multiple: function(element, effect) {
 
    var elements;
 
    if(((typeof element == 'object') || 
 
        (typeof element == 'function')) && 
 
       (element.length))
 
      elements = element;
 
    else
 
      elements = $(element).childNodes;
 
      
 
    var options = Object.extend({
 
      speed: 0.1,
 
      delay: 0.0
 
    }, arguments[2] || {});
 
    var masterDelay = options.delay;
 

	
 
    $A(elements).each( function(element, index) {
 
      new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));
 
    });
 
  },
 
  PAIRS: {
 
    'slide':  ['SlideDown','SlideUp'],
 
    'blind':  ['BlindDown','BlindUp'],
 
    'appear': ['Appear','Fade']
 
  },
 
  toggle: function(element, effect) {
 
    element = $(element);
 
    effect = (effect || 'appear').toLowerCase();
 
    var options = Object.extend({
 
      queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
 
    }, arguments[2] || {});
 
    Effect[element.visible() ? 
 
      Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
 
  }
 
};
 

	
 
var Effect2 = Effect; // deprecated
 

	
 
/* ------------- transitions ------------- */
 

	
 
Effect.Transitions = {}
 

	
 
Effect.Transitions.linear = Prototype.K;
 

	
 
Effect.Transitions.sinoidal = function(pos) {
 
  return (-Math.cos(pos*Math.PI)/2) + 0.5;
 
}
 
Effect.Transitions.reverse  = function(pos) {
 
  return 1-pos;
 
}
 
Effect.Transitions.flicker = function(pos) {
 
  return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
 
}
 
Effect.Transitions.wobble = function(pos) {
 
  return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
 
}
 
Effect.Transitions.pulse = function(pos) {
 
  return (Math.floor(pos*10) % 2 == 0 ? 
 
    (pos*10-Math.floor(pos*10)) : 1-(pos*10-Math.floor(pos*10)));
 
}
 
Effect.Transitions.none = function(pos) {
 
  return 0;
 
}
 
Effect.Transitions.full = function(pos) {
 
  return 1;
 
}
 

	
 
/* ------------- core effects ------------- */
 

	
 
Effect.ScopedQueue = Class.create();
 
Object.extend(Object.extend(Effect.ScopedQueue.prototype, Enumerable), {
 
  initialize: function() {
 
    this.effects  = [];
 
    this.interval = null;
 
  },
 
  _each: function(iterator) {
 
    this.effects._each(iterator);
 
  },
 
  add: function(effect) {
 
    var timestamp = new Date().getTime();
 
    
 
    var position = (typeof effect.options.queue == 'string') ? 
 
      effect.options.queue : effect.options.queue.position;
 
    
 
    switch(position) {
 
      case 'front':
 
        // move unstarted effects after this effect  
 
        this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
 
            e.startOn  += effect.finishOn;
 
            e.finishOn += effect.finishOn;
 
          });
 
        break;
 
      case 'end':
 
        // start effect after last queued effect has finished
 
        timestamp = this.effects.pluck('finishOn').max() || timestamp;
 
        break;
 
    }
 
    
 
    effect.startOn  += timestamp;
 
    effect.finishOn += timestamp;
 

	
 
    if(!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
 
      this.effects.push(effect);
 
    
 
    if(!this.interval) 
 
      this.interval = setInterval(this.loop.bind(this), 40);
 
  },
 
  remove: function(effect) {
 
    this.effects = this.effects.reject(function(e) { return e==effect });
 
    if(this.effects.length == 0) {
 
      clearInterval(this.interval);
 
      this.interval = null;
 
    }
 
  },
 
  loop: function() {
 
    var timePos = new Date().getTime();
 
    this.effects.invoke('loop', timePos);
 
  }
 
});
 

	
 
Effect.Queues = {
 
  instances: $H(),
 
  get: function(queueName) {
 
    if(typeof queueName != 'string') return queueName;
 
    
 
    if(!this.instances[queueName])
 
      this.instances[queueName] = new Effect.ScopedQueue();
 
      
 
    return this.instances[queueName];
 
  }
 
}
 
Effect.Queue = Effect.Queues.get('global');
 

	
 
Effect.DefaultOptions = {
 
  transition: Effect.Transitions.sinoidal,
 
  duration:   1.0,   // seconds
 
  fps:        25.0,  // max. 25fps due to Effect.Queue implementation
 
  sync:       false, // true for combining
 
  from:       0.0,
 
  to:         1.0,
 
  delay:      0.0,
 
  queue:      'parallel'
 
}
 

	
 
Effect.Base = function() {};
 
Effect.Base.prototype = {
 
  position: null,
 
  start: function(options) {
 
    this.options      = Object.extend(Object.extend({},Effect.DefaultOptions), options || {});
 
    this.currentFrame = 0;
 
    this.state        = 'idle';
 
    this.startOn      = this.options.delay*1000;
 
    this.finishOn     = this.startOn + (this.options.duration*1000);
 
    this.event('beforeStart');
 
    if(!this.options.sync)
 
      Effect.Queues.get(typeof this.options.queue == 'string' ? 
 
        'global' : this.options.queue.scope).add(this);
 
  },
 
  loop: function(timePos) {
 
    if(timePos >= this.startOn) {
 
      if(timePos >= this.finishOn) {
 
        this.render(1.0);
 
        this.cancel();
 
        this.event('beforeFinish');
 
        if(this.finish) this.finish(); 
 
        this.event('afterFinish');
 
        return;  
 
      }
 
      var pos   = (timePos - this.startOn) / (this.finishOn - this.startOn);
 
      var frame = Math.round(pos * this.options.fps * this.options.duration);
 
      if(frame > this.currentFrame) {
 
        this.render(pos);
 
        this.currentFrame = frame;
 
      }
 
    }
 
  },
 
  render: function(pos) {
 
    if(this.state == 'idle') {
 
      this.state = 'running';
 
      this.event('beforeSetup');
 
      if(this.setup) this.setup();
 
      this.event('afterSetup');
 
    }
 
    if(this.state == 'running') {
 
      if(this.options.transition) pos = this.options.transition(pos);
 
      pos *= (this.options.to-this.options.from);
 
      pos += this.options.from;
 
      this.position = pos;
 
      this.event('beforeUpdate');
 
      if(this.update) this.update(pos);
 
      this.event('afterUpdate');
 
    }
 
  },
 
  cancel: function() {
 
    if(!this.options.sync)
 
      Effect.Queues.get(typeof this.options.queue == 'string' ? 
 
        'global' : this.options.queue.scope).remove(this);
 
    this.state = 'finished';
 
  },
 
  event: function(eventName) {
 
    if(this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
 
    if(this.options[eventName]) this.options[eventName](this);
 
  },
 
  inspect: function() {
 
    return '#<Effect:' + $H(this).inspect() + ',options:' + $H(this.options).inspect() + '>';
 
  }
 
}
 

	
 
Effect.Parallel = Class.create();
 
Object.extend(Object.extend(Effect.Parallel.prototype, Effect.Base.prototype), {
 
  initialize: function(effects) {
 
    this.effects = effects || [];
 
    this.start(arguments[1]);
 
  },
 
  update: function(position) {
 
    this.effects.invoke('render', position);
 
  },
 
  finish: function(position) {
 
    this.effects.each( function(effect) {
 
      effect.render(1.0);
 
      effect.cancel();
 
      effect.event('beforeFinish');
 
      if(effect.finish) effect.finish(position);
 
      effect.event('afterFinish');
 
    });
 
  }
 
});
 

	
 
Effect.Opacity = Class.create();
 
Object.extend(Object.extend(Effect.Opacity.prototype, Effect.Base.prototype), {
 
  initialize: function(element) {
 
    this.element = $(element);
 
    if(!this.element) throw(Effect._elementDoesNotExistError);
 
    // make this work on IE on elements without 'layout'
 
    if(/MSIE/.test(navigator.userAgent) && !window.opera && (!this.element.currentStyle.hasLayout))
 
      this.element.setStyle({zoom: 1});
 
    var options = Object.extend({
 
      from: this.element.getOpacity() || 0.0,
 
      to:   1.0
 
    }, arguments[1] || {});
 
    this.start(options);
 
  },
 
  update: function(position) {
 
    this.element.setOpacity(position);
 
  }
 
});
 

	
 
Effect.Move = Class.create();
 
Object.extend(Object.extend(Effect.Move.prototype, Effect.Base.prototype), {
 
  initialize: function(element) {
 
    this.element = $(element);
 
    if(!this.element) throw(Effect._elementDoesNotExistError);
 
    var options = Object.extend({
 
      x:    0,
 
      y:    0,
 
      mode: 'relative'
 
    }, arguments[1] || {});
 
    this.start(options);
 
  },
 
  setup: function() {
 
    // Bug in Opera: Opera returns the "real" position of a static element or
 
    // relative element that does not have top/left explicitly set.
 
    // ==> Always set top and left for position relative elements in your stylesheets 
 
    // (to 0 if you do not need them) 
 
    this.element.makePositioned();
 
    this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
 
    this.originalTop  = parseFloat(this.element.getStyle('top')  || '0');
 
    if(this.options.mode == 'absolute') {
 
      // absolute movement, so we need to calc deltaX and deltaY
 
      this.options.x = this.options.x - this.originalLeft;
 
      this.options.y = this.options.y - this.originalTop;
 
    }
 
  },
 
  update: function(position) {
 
    this.element.setStyle({
 
      left: Math.round(this.options.x  * position + this.originalLeft) + 'px',
 
      top:  Math.round(this.options.y  * position + this.originalTop)  + 'px'
 
    });
 
  }
 
});
 

	
 
// for backwards compatibility
 
Effect.MoveBy = function(element, toTop, toLeft) {
 
  return new Effect.Move(element, 
 
    Object.extend({ x: toLeft, y: toTop }, arguments[3] || {}));
 
};
 

	
 
Effect.Scale = Class.create();
 
Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), {
 
  initialize: function(element, percent) {
 
    this.element = $(element);
 
    if(!this.element) throw(Effect._elementDoesNotExistError);
 
    var options = Object.extend({
 
      scaleX: true,
 
      scaleY: true,
 
      scaleContent: true,
 
      scaleFromCenter: false,
 
      scaleMode: 'box',        // 'box' or 'contents' or {} with provided values
 
      scaleFrom: 100.0,
 
      scaleTo:   percent
 
    }, arguments[2] || {});
 
    this.start(options);
 
  },
 
  setup: function() {
 
    this.restoreAfterFinish = this.options.restoreAfterFinish || false;
 
    this.elementPositioning = this.element.getStyle('position');
 
    
 
    this.originalStyle = {};
 
    ['top','left','width','height','fontSize'].each( function(k) {
 
      this.originalStyle[k] = this.element.style[k];
 
    }.bind(this));
 
      
 
    this.originalTop  = this.element.offsetTop;
 
    this.originalLeft = this.element.offsetLeft;
 
    
 
    var fontSize = this.element.getStyle('font-size') || '100%';
 
    ['em','px','%','pt'].each( function(fontSizeType) {
 
      if(fontSize.indexOf(fontSizeType)>0) {
 
        this.fontSize     = parseFloat(fontSize);
 
        this.fontSizeType = fontSizeType;
 
      }
 
    }.bind(this));
 
    
 
    this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
 
    
 
    this.dims = null;
 
    if(this.options.scaleMode=='box')
 
      this.dims = [this.element.offsetHeight, this.element.offsetWidth];
 
    if(/^content/.test(this.options.scaleMode))
 
      this.dims = [this.element.scrollHeight, this.element.scrollWidth];
 
    if(!this.dims)
 
      this.dims = [this.options.scaleMode.originalHeight,
 
                   this.options.scaleMode.originalWidth];
 
  },
 
  update: function(position) {
 
    var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
 
    if(this.options.scaleContent && this.fontSize)
 
      this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });
 
    this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
 
  },
 
  finish: function(position) {
 
    if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
 
  },
 
  setDimensions: function(height, width) {
 
    var d = {};
 
    if(this.options.scaleX) d.width = Math.round(width) + 'px';
 
    if(this.options.scaleY) d.height = Math.round(height) + 'px';
 
    if(this.options.scaleFromCenter) {
 
      var topd  = (height - this.dims[0])/2;
 
      var leftd = (width  - this.dims[1])/2;
 
      if(this.elementPositioning == 'absolute') {
 
        if(this.options.scaleY) d.top = this.originalTop-topd + 'px';
 
        if(this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
 
      } else {
 
        if(this.options.scaleY) d.top = -topd + 'px';
 
        if(this.options.scaleX) d.left = -leftd + 'px';
 
      }
 
    }
 
    this.element.setStyle(d);
 
  }
 
});
 

	
 
Effect.Highlight = Class.create();
 
Object.extend(Object.extend(Effect.Highlight.prototype, Effect.Base.prototype), {
 
  initialize: function(element) {
 
    this.element = $(element);
 
    if(!this.element) throw(Effect._elementDoesNotExistError);
 
    var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || {});
 
    this.start(options);
 
  },
 
  setup: function() {
 
    // Prevent executing on elements not in the layout flow
 
    if(this.element.getStyle('display')=='none') { this.cancel(); return; }
 
    // Disable background image during the effect
 
    this.oldStyle = {
 
      backgroundImage: this.element.getStyle('background-image') };
 
    this.element.setStyle({backgroundImage: 'none'});
 
    if(!this.options.endcolor)
 
      this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');
 
    if(!this.options.restorecolor)
 
      this.options.restorecolor = this.element.getStyle('background-color');
 
    // init color calculations
 
    this._base  = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));
 
    this._delta = $R(0,2).map(function(i){ return parseInt(this.options.endcolor.slice(i*2+1,i*2+3),16)-this._base[i] }.bind(this));
 
  },
 
  update: function(position) {
 
    this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){
 
      return m+(Math.round(this._base[i]+(this._delta[i]*position)).toColorPart()); }.bind(this)) });
 
  },
 
  finish: function() {
 
    this.element.setStyle(Object.extend(this.oldStyle, {
 
      backgroundColor: this.options.restorecolor
 
    }));
 
  }
 
});
 

	
 
Effect.ScrollTo = Class.create();
 
Object.extend(Object.extend(Effect.ScrollTo.prototype, Effect.Base.prototype), {
 
  initialize: function(element) {
 
    this.element = $(element);
 
    this.start(arguments[1] || {});
 
  },
 
  setup: function() {
 
    Position.prepare();
 
    var offsets = Position.cumulativeOffset(this.element);
 
    if(this.options.offset) offsets[1] += this.options.offset;
 
    var max = window.innerHeight ? 
 
      window.height - window.innerHeight :
 
      document.body.scrollHeight - 
 
        (document.documentElement.clientHeight ? 
 
          document.documentElement.clientHeight : document.body.clientHeight);
 
    this.scrollStart = Position.deltaY;
 
    this.delta = (offsets[1] > max ? max : offsets[1]) - this.scrollStart;
 
  },
 
  update: function(position) {
 
    Position.prepare();
 
    window.scrollTo(Position.deltaX, 
 
      this.scrollStart + (position*this.delta));
 
  }
 
});
 

	
 
/* ------------- combination effects ------------- */
 

	
 
Effect.Fade = function(element) {
 
  element = $(element);
 
  var oldOpacity = element.getInlineOpacity();
 
  var options = Object.extend({
 
  from: element.getOpacity() || 1.0,
 
  to:   0.0,
 
  afterFinishInternal: function(effect) { 
 
    if(effect.options.to!=0) return;
 
    effect.element.hide();
 
    effect.element.setStyle({opacity: oldOpacity}); 
 
  }}, arguments[1] || {});
 
  return new Effect.Opacity(element,options);
 
}
 

	
 
Effect.Appear = function(element) {
 
  element = $(element);
 
  var options = Object.extend({
 
  from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
 
  to:   1.0,
 
  // force Safari to render floated elements properly
 
  afterFinishInternal: function(effect) {
 
    effect.element.forceRerendering();
 
  },
 
  beforeSetup: function(effect) {
 
    effect.element.setOpacity(effect.options.from);
 
    effect.element.show(); 
 
  }}, arguments[1] || {});
 
  return new Effect.Opacity(element,options);
 
}
 

	
 
Effect.Puff = function(element) {
 
  element = $(element);
 
  var oldStyle = { 
 
    opacity: element.getInlineOpacity(), 
 
    position: element.getStyle('position'),
 
    top:  element.style.top,
 
    left: element.style.left,
 
    width: element.style.width,
 
    height: element.style.height
 
  };
 
  return new Effect.Parallel(
 
   [ new Effect.Scale(element, 200, 
 
      { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }), 
 
     new Effect.Opacity(element, { sync: true, to: 0.0 } ) ], 
 
     Object.extend({ duration: 1.0, 
 
      beforeSetupInternal: function(effect) {
 
        Position.absolutize(effect.effects[0].element)
 
      },
 
      afterFinishInternal: function(effect) {
 
         effect.effects[0].element.hide();
 
         effect.effects[0].element.setStyle(oldStyle); }
 
     }, arguments[1] || {})
 
   );
 
}
 

	
 
Effect.BlindUp = function(element) {
 
  element = $(element);
 
  element.makeClipping();
 
  return new Effect.Scale(element, 0,
 
    Object.extend({ scaleContent: false, 
 
      scaleX: false, 
 
      restoreAfterFinish: true,
 
      afterFinishInternal: function(effect) {
 
        effect.element.hide();
 
        effect.element.undoClipping();
 
      } 
 
    }, arguments[1] || {})
 
  );
 
}
 

	
 
Effect.BlindDown = function(element) {
 
  element = $(element);
 
  var elementDimensions = element.getDimensions();
 
  return new Effect.Scale(element, 100, Object.extend({ 
 
    scaleContent: false, 
 
    scaleX: false,
 
    scaleFrom: 0,
 
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
 
    restoreAfterFinish: true,
 
    afterSetup: function(effect) {
 
      effect.element.makeClipping();
 
      effect.element.setStyle({height: '0px'});
 
      effect.element.show(); 
 
    },  
 
    afterFinishInternal: function(effect) {
 
      effect.element.undoClipping();
 
    }
 
  }, arguments[1] || {}));
 
}
 

	
 
Effect.SwitchOff = function(element) {
 
  element = $(element);
 
  var oldOpacity = element.getInlineOpacity();
 
  return new Effect.Appear(element, Object.extend({
 
    duration: 0.4,
 
    from: 0,
 
    transition: Effect.Transitions.flicker,
 
    afterFinishInternal: function(effect) {
 
      new Effect.Scale(effect.element, 1, { 
 
        duration: 0.3, scaleFromCenter: true,
 
        scaleX: false, scaleContent: false, restoreAfterFinish: true,
 
        beforeSetup: function(effect) { 
 
          effect.element.makePositioned();
 
          effect.element.makeClipping();
 
        },
 
        afterFinishInternal: function(effect) {
 
          effect.element.hide();
 
          effect.element.undoClipping();
 
          effect.element.undoPositioned();
 
          effect.element.setStyle({opacity: oldOpacity});
 
        }
 
      })
 
    }
 
  }, arguments[1] || {}));
 
}
 

	
 
Effect.DropOut = function(element) {
 
  element = $(element);
 
  var oldStyle = {
 
    top: element.getStyle('top'),
 
    left: element.getStyle('left'),
 
    opacity: element.getInlineOpacity() };
 
  return new Effect.Parallel(
 
    [ new Effect.Move(element, {x: 0, y: 100, sync: true }), 
 
      new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
 
    Object.extend(
 
      { duration: 0.5,
 
        beforeSetup: function(effect) {
 
          effect.effects[0].element.makePositioned(); 
 
        },
 
        afterFinishInternal: function(effect) {
 
          effect.effects[0].element.hide();
 
          effect.effects[0].element.undoPositioned();
 
          effect.effects[0].element.setStyle(oldStyle);
 
        } 
 
      }, arguments[1] || {}));
 
}
 

	
 
Effect.Shake = function(element) {
 
  element = $(element);
 
  var oldStyle = {
 
    top: element.getStyle('top'),
 
    left: element.getStyle('left') };
 
    return new Effect.Move(element, 
 
      { x:  20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {
 
    new Effect.Move(effect.element,
 
      { x: -40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {
 
    new Effect.Move(effect.element,
 
      { x:  40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {
 
    new Effect.Move(effect.element,
 
      { x: -40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {
 
    new Effect.Move(effect.element,
 
      { x:  40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {
 
    new Effect.Move(effect.element,
 
      { x: -20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {
 
        effect.element.undoPositioned();
 
        effect.element.setStyle(oldStyle);
 
  }}) }}) }}) }}) }}) }});
 
}
 

	
 
Effect.SlideDown = function(element) {
 
  element = $(element);
 
  element.cleanWhitespace();
 
  // SlideDown need to have the content of the element wrapped in a container element with fixed height!
 
  var oldInnerBottom = $(element.firstChild).getStyle('bottom');
 
  var elementDimensions = element.getDimensions();
 
  return new Effect.Scale(element, 100, Object.extend({ 
 
    scaleContent: false, 
 
    scaleX: false, 
 
    scaleFrom: window.opera ? 0 : 1,
 
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
 
    restoreAfterFinish: true,
 
    afterSetup: function(effect) {
 
      effect.element.makePositioned();
 
      effect.element.firstChild.makePositioned();
 
      if(window.opera) effect.element.setStyle({top: ''});
 
      effect.element.makeClipping();
 
      effect.element.setStyle({height: '0px'});
 
      effect.element.show(); },
 
    afterUpdateInternal: function(effect) {
 
      effect.element.firstChild.setStyle({bottom:
 
        (effect.dims[0] - effect.element.clientHeight) + 'px' }); 
 
    },
 
    afterFinishInternal: function(effect) {
 
      effect.element.undoClipping(); 
 
      // IE will crash if child is undoPositioned first
 
      if(/MSIE/.test(navigator.userAgent) && !window.opera){
 
        effect.element.undoPositioned();
 
        effect.element.firstChild.undoPositioned();
 
      }else{
 
        effect.element.firstChild.undoPositioned();
 
        effect.element.undoPositioned();
 
      }
 
      effect.element.firstChild.setStyle({bottom: oldInnerBottom}); }
 
    }, arguments[1] || {})
 
  );
 
}
 

	
 
Effect.SlideUp = function(element) {
 
  element = $(element);
 
  element.cleanWhitespace();
 
  var oldInnerBottom = $(element.firstChild).getStyle('bottom');
 
  return new Effect.Scale(element, window.opera ? 0 : 1,
 
   Object.extend({ scaleContent: false, 
 
    scaleX: false, 
 
    scaleMode: 'box',
 
    scaleFrom: 100,
 
    restoreAfterFinish: true,
 
    beforeStartInternal: function(effect) {
 
      effect.element.makePositioned();
 
      effect.element.firstChild.makePositioned();
 
      if(window.opera) effect.element.setStyle({top: ''});
 
      effect.element.makeClipping();
 
      effect.element.show(); },  
 
    afterUpdateInternal: function(effect) {
 
      effect.element.firstChild.setStyle({bottom:
 
        (effect.dims[0] - effect.element.clientHeight) + 'px' }); },
 
    afterFinishInternal: function(effect) {
 
      effect.element.hide();
 
      effect.element.undoClipping();
 
      effect.element.firstChild.undoPositioned();
 
      effect.element.undoPositioned();
 
      effect.element.setStyle({bottom: oldInnerBottom}); }
 
   }, arguments[1] || {})
 
  );
 
}
 

	
 
// Bug in opera makes the TD containing this element expand for a instance after finish 
 
Effect.Squish = function(element) {
 
  return new Effect.Scale(element, window.opera ? 1 : 0, 
 
    { restoreAfterFinish: true,
 
      beforeSetup: function(effect) {
 
        effect.element.makeClipping(effect.element); },  
 
      afterFinishInternal: function(effect) {
 
        effect.element.hide(effect.element); 
 
        effect.element.undoClipping(effect.element); }
 
  });
 
}
 

	
 
Effect.Grow = function(element) {
 
  element = $(element);
 
  var options = Object.extend({
 
    direction: 'center',
 
    moveTransition: Effect.Transitions.sinoidal,
 
    scaleTransition: Effect.Transitions.sinoidal,
 
    opacityTransition: Effect.Transitions.full
 
  }, arguments[1] || {});
 
  var oldStyle = {
 
    top: element.style.top,
 
    left: element.style.left,
 
    height: element.style.height,
 
    width: element.style.width,
 
    opacity: element.getInlineOpacity() };
 

	
 
  var dims = element.getDimensions();    
 
  var initialMoveX, initialMoveY;
 
  var moveX, moveY;
 
  
 
  switch (options.direction) {
 
    case 'top-left':
 
      initialMoveX = initialMoveY = moveX = moveY = 0; 
 
      break;
 
    case 'top-right':
 
      initialMoveX = dims.width;
 
      initialMoveY = moveY = 0;
 
      moveX = -dims.width;
 
      break;
 
    case 'bottom-left':
 
      initialMoveX = moveX = 0;
 
      initialMoveY = dims.height;
 
      moveY = -dims.height;
 
      break;
 
    case 'bottom-right':
 
      initialMoveX = dims.width;
 
      initialMoveY = dims.height;
 
      moveX = -dims.width;
 
      moveY = -dims.height;
 
      break;
 
    case 'center':
 
      initialMoveX = dims.width / 2;
 
      initialMoveY = dims.height / 2;
 
      moveX = -dims.width / 2;
 
      moveY = -dims.height / 2;
 
      break;
 
  }
 
  
 
  return new Effect.Move(element, {
 
    x: initialMoveX,
 
    y: initialMoveY,
 
    duration: 0.01, 
 
    beforeSetup: function(effect) {
 
      effect.element.hide();
 
      effect.element.makeClipping();
 
      effect.element.makePositioned();
 
    },
 
    afterFinishInternal: function(effect) {
 
      new Effect.Parallel(
 
        [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
 
          new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
 
          new Effect.Scale(effect.element, 100, {
 
            scaleMode: { originalHeight: dims.height, originalWidth: dims.width }, 
 
            sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
 
        ], Object.extend({
 
             beforeSetup: function(effect) {
 
               effect.effects[0].element.setStyle({height: '0px'});
 
               effect.effects[0].element.show(); 
 
             },
 
             afterFinishInternal: function(effect) {
 
               effect.effects[0].element.undoClipping();
 
               effect.effects[0].element.undoPositioned();
 
               effect.effects[0].element.setStyle(oldStyle); 
 
             }
 
           }, options)
 
      )
 
    }
 
  });
 
}
 

	
 
Effect.Shrink = function(element) {
 
  element = $(element);
 
  var options = Object.extend({
 
    direction: 'center',
 
    moveTransition: Effect.Transitions.sinoidal,
 
    scaleTransition: Effect.Transitions.sinoidal,
 
    opacityTransition: Effect.Transitions.none
 
  }, arguments[1] || {});
 
  var oldStyle = {
 
    top: element.style.top,
 
    left: element.style.left,
 
    height: element.style.height,
 
    width: element.style.width,
 
    opacity: element.getInlineOpacity() };
 

	
 
  var dims = element.getDimensions();
 
  var moveX, moveY;
 
  
 
  switch (options.direction) {
 
    case 'top-left':
 
      moveX = moveY = 0;
 
      break;
 
    case 'top-right':
 
      moveX = dims.width;
 
      moveY = 0;
 
      break;
 
    case 'bottom-left':
 
      moveX = 0;
 
      moveY = dims.height;
 
      break;
 
    case 'bottom-right':
 
      moveX = dims.width;
 
      moveY = dims.height;
 
      break;
 
    case 'center':  
 
      moveX = dims.width / 2;
 
      moveY = dims.height / 2;
 
      break;
 
  }
 
  
 
  return new Effect.Parallel(
 
    [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
 
      new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
 
      new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
 
    ], Object.extend({            
 
         beforeStartInternal: function(effect) {
 
           effect.effects[0].element.makePositioned();
 
           effect.effects[0].element.makeClipping(); },
 
         afterFinishInternal: function(effect) {
 
           effect.effects[0].element.hide();
 
           effect.effects[0].element.undoClipping();
 
           effect.effects[0].element.undoPositioned();
 
           effect.effects[0].element.setStyle(oldStyle); }
 
       }, options)
 
  );
 
}
 

	
 
Effect.Pulsate = function(element) {
 
  element = $(element);
 
  var options    = arguments[1] || {};
 
  var oldOpacity = element.getInlineOpacity();
 
  var transition = options.transition || Effect.Transitions.sinoidal;
 
  var reverser   = function(pos){ return transition(1-Effect.Transitions.pulse(pos)) };
 
  reverser.bind(transition);
 
  return new Effect.Opacity(element, 
 
    Object.extend(Object.extend({  duration: 3.0, from: 0,
 
      afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
 
    }, options), {transition: reverser}));
 
}
 

	
 
Effect.Fold = function(element) {
 
  element = $(element);
 
  var oldStyle = {
 
    top: element.style.top,
 
    left: element.style.left,
 
    width: element.style.width,
 
    height: element.style.height };
 
  Element.makeClipping(element);
 
  return new Effect.Scale(element, 5, Object.extend({   
 
    scaleContent: false,
 
    scaleX: false,
 
    afterFinishInternal: function(effect) {
 
    new Effect.Scale(element, 1, { 
 
      scaleContent: false, 
 
      scaleY: false,
 
      afterFinishInternal: function(effect) {
 
        effect.element.hide();
 
        effect.element.undoClipping(); 
 
        effect.element.setStyle(oldStyle);
 
      } });
 
  }}, arguments[1] || {}));
 
};
 

	
 
['setOpacity','getOpacity','getInlineOpacity','forceRerendering','setContentZoom',
 
 'collectTextNodes','collectTextNodesIgnoreClass','childrenWithClassName'].each( 
 
  function(f) { Element.Methods[f] = Element[f]; }
 
);
 

	
 
Element.Methods.visualEffect = function(element, effect, options) {
 
  s = effect.gsub(/_/, '-').camelize();
 
  effect_class = s.charAt(0).toUpperCase() + s.substring(1);
 
  new Effect[effect_class](element, options);
 
  return $(element);
 
};
 

	
 
Element.addMethods();
 
\ No newline at end of file
scripts/glider.js
Show inline comments
 
new file 100644
 
/**
 
 * @author Bruno Bornsztein <bruno@missingmethod.com>
 
 * @copyright 2007 Curbly LLC
 
 * @package Glider
 
 * @license MIT
 
 * @url http://www.missingmethod.com/projects/glider/
 
 * @version 0.0.3
 
 * @dependencies prototype.js 1.5.1+, effects.js
 
 */
 

	
 
/*  Thanks to Andrew Dupont for refactoring help and code cleanup - http://andrewdupont.net/  */
 

	
 
Glider = Class.create();
 
Object.extend(Object.extend(Glider.prototype, Abstract.prototype), {
 
	initialize: function(wrapper, options){
 
	    this.scrolling  = false;
 
	    this.wrapper    = $(wrapper);
 
	    this.scroller   = this.wrapper.down('div.scroller');
 
	    this.sections   = this.wrapper.getElementsBySelector('div.section');
 
	    this.options    = Object.extend({ duration: 1.0, frequency: 3 }, options || {});
 

	
 
	    this.sections.each( function(section, index) {
 
	      section._index = index;
 
	    });    
 

	
 
	    this.events = {
 
	      click: this.click.bind(this)
 
	    };
 

	
 
	    this.addObservers();
 
			if(this.options.initialSection) this.moveTo(this.options.initialSection, this.scroller, { duration:this.options.duration });  // initialSection should be the id of the section you want to show up on load
 
			if(this.options.autoGlide) this.start();
 
	  },
 
	
 
  addObservers: function() {
 
    var controls = this.wrapper.getElementsBySelector('div.controls a');
 
    controls.invoke('observe', 'click', this.events.click);
 
  },	
 

	
 
  click: function(event) {
 
		this.stop();
 
    var element = Event.findElement(event, 'a');
 
    if (this.scrolling) this.scrolling.cancel();
 
    
 
    this.moveTo(element.href.split("#")[1], this.scroller, { duration:this.options.duration });     
 
    Event.stop(event);
 
  },
 

	
 
	moveTo: function(element, container, options){
 
			this.current = $(element);
 

	
 
			Position.prepare();
 
	    var containerOffset = Position.cumulativeOffset(container),
 
	     elementOffset = Position.cumulativeOffset($(element));
 

	
 
		  this.scrolling 	= new Effect.SmoothScroll(container, 
 
				{duration:options.duration, x:(elementOffset[0]-containerOffset[0]), y:(elementOffset[1]-containerOffset[1])});
 
		  return false;
 
		},
 
		
 
  next: function(){
 
    if (this.current) {
 
      var currentIndex = this.current._index;
 
      var nextIndex = (this.sections.length - 1 == currentIndex) ? 0 : currentIndex + 1;      
 
    } else var nextIndex = 1;
 

	
 
    this.moveTo(this.sections[nextIndex], this.scroller, { 
 
      duration: this.options.duration
 
    });
 
  },
 
	
 
  previous: function(){
 
    if (this.current) {
 
      var currentIndex = this.current._index;
 
      var prevIndex = (currentIndex == 0) ? this.sections.length - 1 : 
 
       currentIndex - 1;
 
    } else var prevIndex = this.sections.length - 1;
 
    
 
    this.moveTo(this.sections[prevIndex], this.scroller, { 
 
      duration: this.options.duration
 
    });
 
  },
 

	
 
	stop: function()
 
	{
 
		clearTimeout(this.timer);
 
	},
 
	
 
	start: function()
 
	{
 
		this.periodicallyUpdate();
 
	},
 
		
 
	periodicallyUpdate: function()
 
	{ 
 
		if (this.timer != null) {
 
			clearTimeout(this.timer);
 
			this.next();
 
		}
 
		this.timer = setTimeout(this.periodicallyUpdate.bind(this), this.options.frequency*1000);
 
	}
 

	
 
});
 

	
 
Effect.SmoothScroll = Class.create();
 
Object.extend(Object.extend(Effect.SmoothScroll.prototype, Effect.Base.prototype), {
 
  initialize: function(element) {
 
    this.element = $(element);
 
    var options = Object.extend({
 
      x:    0,
 
      y:    0,
 
      mode: 'absolute'
 
    } , arguments[1] || {}  );
 
    this.start(options);
 
  },
 
  setup: function() {
 
    if (this.options.continuous && !this.element._ext ) {
 
      this.element.cleanWhitespace();
 
      this.element._ext=true;
 
      this.element.appendChild(this.element.firstChild);
 
    }
 
   
 
    this.originalLeft=this.element.scrollLeft;
 
    this.originalTop=this.element.scrollTop;
 
   
 
    if(this.options.mode == 'absolute') {
 
      this.options.x -= this.originalLeft;
 
      this.options.y -= this.originalTop;
 
    } 
 
  },
 
  update: function(position) {   
 
    this.element.scrollLeft = this.options.x * position + this.originalLeft;
 
    this.element.scrollTop  = this.options.y * position + this.originalTop;
 
  }
 
});
 
\ No newline at end of file
scripts/prototype.js
Show inline comments
 
new file 100644
 
/*  Prototype JavaScript framework, version 1.5.1
 
 *  (c) 2005-2007 Sam Stephenson
 
 *
 
 *  Prototype is freely distributable under the terms of an MIT-style license.
 
 *  For details, see the Prototype web site: http://www.prototypejs.org/
 
 *
 
/*--------------------------------------------------------------------------*/
 

	
 
var Prototype = {
 
  Version: '1.5.1',
 

	
 
  Browser: {
 
    IE:     !!(window.attachEvent && !window.opera),
 
    Opera:  !!window.opera,
 
    WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
 
    Gecko:  navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1
 
  },
 

	
 
  BrowserFeatures: {
 
    XPath: !!document.evaluate,
 
    ElementExtensions: !!window.HTMLElement,
 
    SpecificElementExtensions:
 
      (document.createElement('div').__proto__ !==
 
       document.createElement('form').__proto__)
 
  },
 

	
 
  ScriptFragment: '<script[^>]*>([\u0001-\uFFFF]*?)</script>',
 
  JSONFilter: /^\/\*-secure-\s*(.*)\s*\*\/\s*$/,
 

	
 
  emptyFunction: function() { },
 
  K: function(x) { return x }
 
}
 

	
 
var Class = {
 
  create: function() {
 
    return function() {
 
      this.initialize.apply(this, arguments);
 
    }
 
  }
 
}
 

	
 
var Abstract = new Object();
 

	
 
Object.extend = function(destination, source) {
 
  for (var property in source) {
 
    destination[property] = source[property];
 
  }
 
  return destination;
 
}
 

	
 
Object.extend(Object, {
 
  inspect: function(object) {
 
    try {
 
      if (object === undefined) return 'undefined';
 
      if (object === null) return 'null';
 
      return object.inspect ? object.inspect() : object.toString();
 
    } catch (e) {
 
      if (e instanceof RangeError) return '...';
 
      throw e;
 
    }
 
  },
 

	
 
  toJSON: function(object) {
 
    var type = typeof object;
 
    switch(type) {
 
      case 'undefined':
 
      case 'function':
 
      case 'unknown': return;
 
      case 'boolean': return object.toString();
 
    }
 
    if (object === null) return 'null';
 
    if (object.toJSON) return object.toJSON();
 
    if (object.ownerDocument === document) return;
 
    var results = [];
 
    for (var property in object) {
 
      var value = Object.toJSON(object[property]);
 
      if (value !== undefined)
 
        results.push(property.toJSON() + ': ' + value);
 
    }
 
    return '{' + results.join(', ') + '}';
 
  },
 

	
 
  keys: function(object) {
 
    var keys = [];
 
    for (var property in object)
 
      keys.push(property);
 
    return keys;
 
  },
 

	
 
  values: function(object) {
 
    var values = [];
 
    for (var property in object)
 
      values.push(object[property]);
 
    return values;
 
  },
 

	
 
  clone: function(object) {
 
    return Object.extend({}, object);
 
  }
 
});
 

	
 
Function.prototype.bind = function() {
 
  var __method = this, args = $A(arguments), object = args.shift();
 
  return function() {
 
    return __method.apply(object, args.concat($A(arguments)));
 
  }
 
}
 

	
 
Function.prototype.bindAsEventListener = function(object) {
 
  var __method = this, args = $A(arguments), object = args.shift();
 
  return function(event) {
 
    return __method.apply(object, [event || window.event].concat(args));
 
  }
 
}
 

	
 
Object.extend(Number.prototype, {
 
  toColorPart: function() {
 
    return this.toPaddedString(2, 16);
 
  },
 

	
 
  succ: function() {
 
    return this + 1;
 
  },
 

	
 
  times: function(iterator) {
 
    $R(0, this, true).each(iterator);
 
    return this;
 
  },
 

	
 
  toPaddedString: function(length, radix) {
 
    var string = this.toString(radix || 10);
 
    return '0'.times(length - string.length) + string;
 
  },
 

	
 
  toJSON: function() {
 
    return isFinite(this) ? this.toString() : 'null';
 
  }
 
});
 

	
 
Date.prototype.toJSON = function() {
 
  return '"' + this.getFullYear() + '-' +
 
    (this.getMonth() + 1).toPaddedString(2) + '-' +
 
    this.getDate().toPaddedString(2) + 'T' +
 
    this.getHours().toPaddedString(2) + ':' +
 
    this.getMinutes().toPaddedString(2) + ':' +
 
    this.getSeconds().toPaddedString(2) + '"';
 
};
 

	
 
var Try = {
 
  these: function() {
 
    var returnValue;
 

	
 
    for (var i = 0, length = arguments.length; i < length; i++) {
 
      var lambda = arguments[i];
 
      try {
 
        returnValue = lambda();
 
        break;
 
      } catch (e) {}
 
    }
 

	
 
    return returnValue;
 
  }
 
}
 

	
 
/*--------------------------------------------------------------------------*/
 

	
 
var PeriodicalExecuter = Class.create();
 
PeriodicalExecuter.prototype = {
 
  initialize: function(callback, frequency) {
 
    this.callback = callback;
 
    this.frequency = frequency;
 
    this.currentlyExecuting = false;
 

	
 
    this.registerCallback();
 
  },
 

	
 
  registerCallback: function() {
 
    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
 
  },
 

	
 
  stop: function() {
 
    if (!this.timer) return;
 
    clearInterval(this.timer);
 
    this.timer = null;
 
  },
 

	
 
  onTimerEvent: function() {
 
    if (!this.currentlyExecuting) {
 
      try {
 
        this.currentlyExecuting = true;
 
        this.callback(this);
 
      } finally {
 
        this.currentlyExecuting = false;
 
      }
 
    }
 
  }
 
}
 
Object.extend(String, {
 
  interpret: function(value) {
 
    return value == null ? '' : String(value);
 
  },
 
  specialChar: {
 
    '\b': '\\b',
 
    '\t': '\\t',
 
    '\n': '\\n',
 
    '\f': '\\f',
 
    '\r': '\\r',
 
    '\\': '\\\\'
 
  }
 
});
 

	
 
Object.extend(String.prototype, {
 
  gsub: function(pattern, replacement) {
 
    var result = '', source = this, match;
 
    replacement = arguments.callee.prepareReplacement(replacement);
 

	
 
    while (source.length > 0) {
 
      if (match = source.match(pattern)) {
 
        result += source.slice(0, match.index);
 
        result += String.interpret(replacement(match));
 
        source  = source.slice(match.index + match[0].length);
 
      } else {
 
        result += source, source = '';
 
      }
 
    }
 
    return result;
 
  },
 

	
 
  sub: function(pattern, replacement, count) {
 
    replacement = this.gsub.prepareReplacement(replacement);
 
    count = count === undefined ? 1 : count;
 

	
 
    return this.gsub(pattern, function(match) {
 
      if (--count < 0) return match[0];
 
      return replacement(match);
 
    });
 
  },
 

	
 
  scan: function(pattern, iterator) {
 
    this.gsub(pattern, iterator);
 
    return this;
 
  },
 

	
 
  truncate: function(length, truncation) {
 
    length = length || 30;
 
    truncation = truncation === undefined ? '...' : truncation;
 
    return this.length > length ?
 
      this.slice(0, length - truncation.length) + truncation : this;
 
  },
 

	
 
  strip: function() {
 
    return this.replace(/^\s+/, '').replace(/\s+$/, '');
 
  },
 

	
 
  stripTags: function() {
 
    return this.replace(/<\/?[^>]+>/gi, '');
 
  },
 

	
 
  stripScripts: function() {
 
    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
 
  },
 

	
 
  extractScripts: function() {
 
    var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
 
    var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
 
    return (this.match(matchAll) || []).map(function(scriptTag) {
 
      return (scriptTag.match(matchOne) || ['', ''])[1];
 
    });
 
  },
 

	
 
  evalScripts: function() {
 
    return this.extractScripts().map(function(script) { return eval(script) });
 
  },
 

	
 
  escapeHTML: function() {
 
    var self = arguments.callee;
 
    self.text.data = this;
 
    return self.div.innerHTML;
 
  },
 

	
 
  unescapeHTML: function() {
 
    var div = document.createElement('div');
 
    div.innerHTML = this.stripTags();
 
    return div.childNodes[0] ? (div.childNodes.length > 1 ?
 
      $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
 
      div.childNodes[0].nodeValue) : '';
 
  },
 

	
 
  toQueryParams: function(separator) {
 
    var match = this.strip().match(/([^?#]*)(#.*)?$/);
 
    if (!match) return {};
 

	
 
    return match[1].split(separator || '&').inject({}, function(hash, pair) {
 
      if ((pair = pair.split('='))[0]) {
 
        var key = decodeURIComponent(pair.shift());
 
        var value = pair.length > 1 ? pair.join('=') : pair[0];
 
        if (value != undefined) value = decodeURIComponent(value);
 

	
 
        if (key in hash) {
 
          if (hash[key].constructor != Array) hash[key] = [hash[key]];
 
          hash[key].push(value);
 
        }
 
        else hash[key] = value;
 
      }
 
      return hash;
 
    });
 
  },
 

	
 
  toArray: function() {
 
    return this.split('');
 
  },
 

	
 
  succ: function() {
 
    return this.slice(0, this.length - 1) +
 
      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
 
  },
 

	
 
  times: function(count) {
 
    var result = '';
 
    for (var i = 0; i < count; i++) result += this;
 
    return result;
 
  },
 

	
 
  camelize: function() {
 
    var parts = this.split('-'), len = parts.length;
 
    if (len == 1) return parts[0];
 

	
 
    var camelized = this.charAt(0) == '-'
 
      ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
 
      : parts[0];
 

	
 
    for (var i = 1; i < len; i++)
 
      camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);
 

	
 
    return camelized;
 
  },
 

	
 
  capitalize: function() {
 
    return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
 
  },
 

	
 
  underscore: function() {
 
    return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
 
  },
 

	
 
  dasherize: function() {
 
    return this.gsub(/_/,'-');
 
  },
 

	
 
  inspect: function(useDoubleQuotes) {
 
    var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
 
      var character = String.specialChar[match[0]];
 
      return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
 
    });
 
    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
 
    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
 
  },
 

	
 
  toJSON: function() {
 
    return this.inspect(true);
 
  },
 

	
 
  unfilterJSON: function(filter) {
 
    return this.sub(filter || Prototype.JSONFilter, '#{1}');
 
  },
 

	
 
  evalJSON: function(sanitize) {
 
    var json = this.unfilterJSON();
 
    try {
 
      if (!sanitize || (/^("(\\.|[^"\\\n\r])*?"|[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t])+?$/.test(json)))
 
        return eval('(' + json + ')');
 
    } catch (e) { }
 
    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
 
  },
 

	
 
  include: function(pattern) {
 
    return this.indexOf(pattern) > -1;
 
  },
 

	
 
  startsWith: function(pattern) {
 
    return this.indexOf(pattern) === 0;
 
  },
 

	
 
  endsWith: function(pattern) {
 
    var d = this.length - pattern.length;
 
    return d >= 0 && this.lastIndexOf(pattern) === d;
 
  },
 

	
 
  empty: function() {
 
    return this == '';
 
  },
 

	
 
  blank: function() {
 
    return /^\s*$/.test(this);
 
  }
 
});
 

	
 
if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
 
  escapeHTML: function() {
 
    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
 
  },
 
  unescapeHTML: function() {
 
    return this.replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>');
 
  }
 
});
 

	
 
String.prototype.gsub.prepareReplacement = function(replacement) {
 
  if (typeof replacement == 'function') return replacement;
 
  var template = new Template(replacement);
 
  return function(match) { return template.evaluate(match) };
 
}
 

	
 
String.prototype.parseQuery = String.prototype.toQueryParams;
 

	
 
Object.extend(String.prototype.escapeHTML, {
 
  div:  document.createElement('div'),
 
  text: document.createTextNode('')
 
});
 

	
 
with (String.prototype.escapeHTML) div.appendChild(text);
 

	
 
var Template = Class.create();
 
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
 
Template.prototype = {
 
  initialize: function(template, pattern) {
 
    this.template = template.toString();
 
    this.pattern  = pattern || Template.Pattern;
 
  },
 

	
 
  evaluate: function(object) {
 
    return this.template.gsub(this.pattern, function(match) {
 
      var before = match[1];
 
      if (before == '\\') return match[2];
 
      return before + String.interpret(object[match[3]]);
 
    });
 
  }
 
}
 

	
 
var $break = {}, $continue = new Error('"throw $continue" is deprecated, use "return" instead');
 

	
 
var Enumerable = {
 
  each: function(iterator) {
 
    var index = 0;
 
    try {
 
      this._each(function(value) {
 
        iterator(value, index++);
 
      });
 
    } catch (e) {
 
      if (e != $break) throw e;
 
    }
 
    return this;
 
  },
 

	
 
  eachSlice: function(number, iterator) {
 
    var index = -number, slices = [], array = this.toArray();
 
    while ((index += number) < array.length)
 
      slices.push(array.slice(index, index+number));
 
    return slices.map(iterator);
 
  },
 

	
 
  all: function(iterator) {
 
    var result = true;
 
    this.each(function(value, index) {
 
      result = result && !!(iterator || Prototype.K)(value, index);
 
      if (!result) throw $break;
 
    });
 
    return result;
 
  },
 

	
 
  any: function(iterator) {
 
    var result = false;
 
    this.each(function(value, index) {
 
      if (result = !!(iterator || Prototype.K)(value, index))
 
        throw $break;
 
    });
 
    return result;
 
  },
 

	
 
  collect: function(iterator) {
 
    var results = [];
 
    this.each(function(value, index) {
 
      results.push((iterator || Prototype.K)(value, index));
 
    });
 
    return results;
 
  },
 

	
 
  detect: function(iterator) {
 
    var result;
 
    this.each(function(value, index) {
 
      if (iterator(value, index)) {
 
        result = value;
 
        throw $break;
 
      }
 
    });
 
    return result;
 
  },
 

	
 
  findAll: function(iterator) {
 
    var results = [];
 
    this.each(function(value, index) {
 
      if (iterator(value, index))
 
        results.push(value);
 
    });
 
    return results;
 
  },
 

	
 
  grep: function(pattern, iterator) {
 
    var results = [];
 
    this.each(function(value, index) {
 
      var stringValue = value.toString();
 
      if (stringValue.match(pattern))
 
        results.push((iterator || Prototype.K)(value, index));
 
    })
 
    return results;
 
  },
 

	
 
  include: function(object) {
 
    var found = false;
 
    this.each(function(value) {
 
      if (value == object) {
 
        found = true;
 
        throw $break;
 
      }
 
    });
 
    return found;
 
  },
 

	
 
  inGroupsOf: function(number, fillWith) {
 
    fillWith = fillWith === undefined ? null : fillWith;
 
    return this.eachSlice(number, function(slice) {
 
      while(slice.length < number) slice.push(fillWith);
 
      return slice;
 
    });
 
  },
 

	
 
  inject: function(memo, iterator) {
 
    this.each(function(value, index) {
 
      memo = iterator(memo, value, index);
 
    });
 
    return memo;
 
  },
 

	
 
  invoke: function(method) {
 
    var args = $A(arguments).slice(1);
 
    return this.map(function(value) {
 
      return value[method].apply(value, args);
 
    });
 
  },
 

	
 
  max: function(iterator) {
 
    var result;
 
    this.each(function(value, index) {
 
      value = (iterator || Prototype.K)(value, index);
 
      if (result == undefined || value >= result)
 
        result = value;
 
    });
 
    return result;
 
  },
 

	
 
  min: function(iterator) {
 
    var result;
 
    this.each(function(value, index) {
 
      value = (iterator || Prototype.K)(value, index);
 
      if (result == undefined || value < result)
 
        result = value;
 
    });
 
    return result;
 
  },
 

	
 
  partition: function(iterator) {
 
    var trues = [], falses = [];
 
    this.each(function(value, index) {
 
      ((iterator || Prototype.K)(value, index) ?
 
        trues : falses).push(value);
 
    });
 
    return [trues, falses];
 
  },
 

	
 
  pluck: function(property) {
 
    var results = [];
 
    this.each(function(value, index) {
 
      results.push(value[property]);
 
    });
 
    return results;
 
  },
 

	
 
  reject: function(iterator) {
 
    var results = [];
 
    this.each(function(value, index) {
 
      if (!iterator(value, index))
 
        results.push(value);
 
    });
 
    return results;
 
  },
 

	
 
  sortBy: function(iterator) {
 
    return this.map(function(value, index) {
 
      return {value: value, criteria: iterator(value, index)};
 
    }).sort(function(left, right) {
 
      var a = left.criteria, b = right.criteria;
 
      return a < b ? -1 : a > b ? 1 : 0;
 
    }).pluck('value');
 
  },
 

	
 
  toArray: function() {
 
    return this.map();
 
  },
 

	
 
  zip: function() {
 
    var iterator = Prototype.K, args = $A(arguments);
 
    if (typeof args.last() == 'function')
 
      iterator = args.pop();
 

	
 
    var collections = [this].concat(args).map($A);
 
    return this.map(function(value, index) {
 
      return iterator(collections.pluck(index));
 
    });
 
  },
 

	
 
  size: function() {
 
    return this.toArray().length;
 
  },
 

	
 
  inspect: function() {
 
    return '#<Enumerable:' + this.toArray().inspect() + '>';
 
  }
 
}
 

	
 
Object.extend(Enumerable, {
 
  map:     Enumerable.collect,
 
  find:    Enumerable.detect,
 
  select:  Enumerable.findAll,
 
  member:  Enumerable.include,
 
  entries: Enumerable.toArray
 
});
 
var $A = Array.from = function(iterable) {
 
  if (!iterable) return [];
 
  if (iterable.toArray) {
 
    return iterable.toArray();
 
  } else {
 
    var results = [];
 
    for (var i = 0, length = iterable.length; i < length; i++)
 
      results.push(iterable[i]);
 
    return results;
 
  }
 
}
 

	
 
if (Prototype.Browser.WebKit) {
 
  $A = Array.from = function(iterable) {
 
    if (!iterable) return [];
 
    if (!(typeof iterable == 'function' && iterable == '[object NodeList]') &&
 
      iterable.toArray) {
 
      return iterable.toArray();
 
    } else {
 
      var results = [];
 
      for (var i = 0, length = iterable.length; i < length; i++)
 
        results.push(iterable[i]);
 
      return results;
 
    }
 
  }
 
}
 

	
 
Object.extend(Array.prototype, Enumerable);
 

	
 
if (!Array.prototype._reverse)
 
  Array.prototype._reverse = Array.prototype.reverse;
 

	
 
Object.extend(Array.prototype, {
 
  _each: function(iterator) {
 
    for (var i = 0, length = this.length; i < length; i++)
 
      iterator(this[i]);
 
  },
 

	
 
  clear: function() {
 
    this.length = 0;
 
    return this;
 
  },
 

	
 
  first: function() {
 
    return this[0];
 
  },
 

	
 
  last: function() {
 
    return this[this.length - 1];
 
  },
 

	
 
  compact: function() {
 
    return this.select(function(value) {
 
      return value != null;
 
    });
 
  },
 

	
 
  flatten: function() {
 
    return this.inject([], function(array, value) {
 
      return array.concat(value && value.constructor == Array ?
 
        value.flatten() : [value]);
 
    });
 
  },
 

	
 
  without: function() {
 
    var values = $A(arguments);
 
    return this.select(function(value) {
 
      return !values.include(value);
 
    });
 
  },
 

	
 
  indexOf: function(object) {
 
    for (var i = 0, length = this.length; i < length; i++)
 
      if (this[i] == object) return i;
 
    return -1;
 
  },
 

	
 
  reverse: function(inline) {
 
    return (inline !== false ? this : this.toArray())._reverse();
 
  },
 

	
 
  reduce: function() {
 
    return this.length > 1 ? this : this[0];
 
  },
 

	
 
  uniq: function(sorted) {
 
    return this.inject([], function(array, value, index) {
 
      if (0 == index || (sorted ? array.last() != value : !array.include(value)))
 
        array.push(value);
 
      return array;
 
    });
 
  },
 

	
 
  clone: function() {
 
    return [].concat(this);
 
  },
 

	
 
  size: function() {
 
    return this.length;
 
  },
 

	
 
  inspect: function() {
 
    return '[' + this.map(Object.inspect).join(', ') + ']';
 
  },
 

	
 
  toJSON: function() {
 
    var results = [];
 
    this.each(function(object) {
 
      var value = Object.toJSON(object);
 
      if (value !== undefined) results.push(value);
 
    });
 
    return '[' + results.join(', ') + ']';
 
  }
 
});
 

	
 
Array.prototype.toArray = Array.prototype.clone;
 

	
 
function $w(string) {
 
  string = string.strip();
 
  return string ? string.split(/\s+/) : [];
 
}
 

	
 
if (Prototype.Browser.Opera){
 
  Array.prototype.concat = function() {
 
    var array = [];
 
    for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
 
    for (var i = 0, length = arguments.length; i < length; i++) {
 
      if (arguments[i].constructor == Array) {
 
        for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
 
          array.push(arguments[i][j]);
 
      } else {
 
        array.push(arguments[i]);
 
      }
 
    }
 
    return array;
 
  }
 
}
 
var Hash = function(object) {
 
  if (object instanceof Hash) this.merge(object);
 
  else Object.extend(this, object || {});
 
};
 

	
 
Object.extend(Hash, {
 
  toQueryString: function(obj) {
 
    var parts = [];
 
    parts.add = arguments.callee.addPair;
 

	
 
    this.prototype._each.call(obj, function(pair) {
 
      if (!pair.key) return;
 
      var value = pair.value;
 

	
 
      if (value && typeof value == 'object') {
 
        if (value.constructor == Array) value.each(function(value) {
 
          parts.add(pair.key, value);
 
        });
 
        return;
 
      }
 
      parts.add(pair.key, value);
 
    });
 

	
 
    return parts.join('&');
 
  },
 

	
 
  toJSON: function(object) {
 
    var results = [];
 
    this.prototype._each.call(object, function(pair) {
 
      var value = Object.toJSON(pair.value);
 
      if (value !== undefined) results.push(pair.key.toJSON() + ': ' + value);
 
    });
 
    return '{' + results.join(', ') + '}';
 
  }
 
});
 

	
 
Hash.toQueryString.addPair = function(key, value, prefix) {
 
  key = encodeURIComponent(key);
 
  if (value === undefined) this.push(key);
 
  else this.push(key + '=' + (value == null ? '' : encodeURIComponent(value)));
 
}
 

	
 
Object.extend(Hash.prototype, Enumerable);
 
Object.extend(Hash.prototype, {
 
  _each: function(iterator) {
 
    for (var key in this) {
 
      var value = this[key];
 
      if (value && value == Hash.prototype[key]) continue;
 

	
 
      var pair = [key, value];
 
      pair.key = key;
 
      pair.value = value;
 
      iterator(pair);
 
    }
 
  },
 

	
 
  keys: function() {
 
    return this.pluck('key');
 
  },
 

	
 
  values: function() {
 
    return this.pluck('value');
 
  },
 

	
 
  merge: function(hash) {
 
    return $H(hash).inject(this, function(mergedHash, pair) {
 
      mergedHash[pair.key] = pair.value;
 
      return mergedHash;
 
    });
 
  },
 

	
 
  remove: function() {
 
    var result;
 
    for(var i = 0, length = arguments.length; i < length; i++) {
 
      var value = this[arguments[i]];
 
      if (value !== undefined){
 
        if (result === undefined) result = value;
 
        else {
 
          if (result.constructor != Array) result = [result];
 
          result.push(value)
 
        }
 
      }
 
      delete this[arguments[i]];
 
    }
 
    return result;
 
  },
 

	
 
  toQueryString: function() {
 
    return Hash.toQueryString(this);
 
  },
 

	
 
  inspect: function() {
 
    return '#<Hash:{' + this.map(function(pair) {
 
      return pair.map(Object.inspect).join(': ');
 
    }).join(', ') + '}>';
 
  },
 

	
 
  toJSON: function() {
 
    return Hash.toJSON(this);
 
  }
 
});
 

	
 
function $H(object) {
 
  if (object instanceof Hash) return object;
 
  return new Hash(object);
 
};
 

	
 
// Safari iterates over shadowed properties
 
if (function() {
 
  var i = 0, Test = function(value) { this.key = value };
 
  Test.prototype.key = 'foo';
 
  for (var property in new Test('bar')) i++;
 
  return i > 1;
 
}()) Hash.prototype._each = function(iterator) {
 
  var cache = [];
 
  for (var key in this) {
 
    var value = this[key];
 
    if ((value && value == Hash.prototype[key]) || cache.include(key)) continue;
 
    cache.push(key);
 
    var pair = [key, value];
 
    pair.key = key;
 
    pair.value = value;
 
    iterator(pair);
 
  }
 
};
 
ObjectRange = Class.create();
 
Object.extend(ObjectRange.prototype, Enumerable);
 
Object.extend(ObjectRange.prototype, {
 
  initialize: function(start, end, exclusive) {
 
    this.start = start;
 
    this.end = end;
 
    this.exclusive = exclusive;
 
  },
 

	
 
  _each: function(iterator) {
 
    var value = this.start;
 
    while (this.include(value)) {
 
      iterator(value);
 
      value = value.succ();
 
    }
 
  },
 

	
 
  include: function(value) {
 
    if (value < this.start)
 
      return false;
 
    if (this.exclusive)
 
      return value < this.end;
 
    return value <= this.end;
 
  }
 
});
 

	
 
var $R = function(start, end, exclusive) {
 
  return new ObjectRange(start, end, exclusive);
 
}
 

	
 
var Ajax = {
 
  getTransport: function() {
 
    return Try.these(
 
      function() {return new XMLHttpRequest()},
 
      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
 
      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
 
    ) || false;
 
  },
 

	
 
  activeRequestCount: 0
 
}
 

	
 
Ajax.Responders = {
 
  responders: [],
 

	
 
  _each: function(iterator) {
 
    this.responders._each(iterator);
 
  },
 

	
 
  register: function(responder) {
 
    if (!this.include(responder))
 
      this.responders.push(responder);
 
  },
 

	
 
  unregister: function(responder) {
 
    this.responders = this.responders.without(responder);
 
  },
 

	
 
  dispatch: function(callback, request, transport, json) {
 
    this.each(function(responder) {
 
      if (typeof responder[callback] == 'function') {
 
        try {
 
          responder[callback].apply(responder, [request, transport, json]);
 
        } catch (e) {}
 
      }
 
    });
 
  }
 
};
 

	
 
Object.extend(Ajax.Responders, Enumerable);
 

	
 
Ajax.Responders.register({
 
  onCreate: function() {
 
    Ajax.activeRequestCount++;
 
  },
 
  onComplete: function() {
 
    Ajax.activeRequestCount--;
 
  }
 
});
 

	
 
Ajax.Base = function() {};
 
Ajax.Base.prototype = {
 
  setOptions: function(options) {
 
    this.options = {
 
      method:       'post',
 
      asynchronous: true,
 
      contentType:  'application/x-www-form-urlencoded',
 
      encoding:     'UTF-8',
 
      parameters:   ''
 
    }
 
    Object.extend(this.options, options || {});
 

	
 
    this.options.method = this.options.method.toLowerCase();
 
    if (typeof this.options.parameters == 'string')
 
      this.options.parameters = this.options.parameters.toQueryParams();
 
  }
 
}
 

	
 
Ajax.Request = Class.create();
 
Ajax.Request.Events =
 
  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
 

	
 
Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
 
  _complete: false,
 

	
 
  initialize: function(url, options) {
 
    this.transport = Ajax.getTransport();
 
    this.setOptions(options);
 
    this.request(url);
 
  },
 

	
 
  request: function(url) {
 
    this.url = url;
 
    this.method = this.options.method;
 
    var params = Object.clone(this.options.parameters);
 

	
 
    if (!['get', 'post'].include(this.method)) {
 
      // simulate other verbs over post
 
      params['_method'] = this.method;
 
      this.method = 'post';
 
    }
 

	
 
    this.parameters = params;
 

	
 
    if (params = Hash.toQueryString(params)) {
 
      // when GET, append parameters to URL
 
      if (this.method == 'get')
 
        this.url += (this.url.include('?') ? '&' : '?') + params;
 
      else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
 
        params += '&_=';
 
    }
 

	
 
    try {
 
      if (this.options.onCreate) this.options.onCreate(this.transport);
 
      Ajax.Responders.dispatch('onCreate', this, this.transport);
 

	
 
      this.transport.open(this.method.toUpperCase(), this.url,
 
        this.options.asynchronous);
 

	
 
      if (this.options.asynchronous)
 
        setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10);
 

	
 
      this.transport.onreadystatechange = this.onStateChange.bind(this);
 
      this.setRequestHeaders();
 

	
 
      this.body = this.method == 'post' ? (this.options.postBody || params) : null;
 
      this.transport.send(this.body);
 

	
 
      /* Force Firefox to handle ready state 4 for synchronous requests */
 
      if (!this.options.asynchronous && this.transport.overrideMimeType)
 
        this.onStateChange();
 

	
 
    }
 
    catch (e) {
 
      this.dispatchException(e);
 
    }
 
  },
 

	
 
  onStateChange: function() {
 
    var readyState = this.transport.readyState;
 
    if (readyState > 1 && !((readyState == 4) && this._complete))
 
      this.respondToReadyState(this.transport.readyState);
 
  },
 

	
 
  setRequestHeaders: function() {
 
    var headers = {
 
      'X-Requested-With': 'XMLHttpRequest',
 
      'X-Prototype-Version': Prototype.Version,
 
      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
 
    };
 

	
 
    if (this.method == 'post') {
 
      headers['Content-type'] = this.options.contentType +
 
        (this.options.encoding ? '; charset=' + this.options.encoding : '');
 

	
 
      /* Force "Connection: close" for older Mozilla browsers to work
 
       * around a bug where XMLHttpRequest sends an incorrect
 
       * Content-length header. See Mozilla Bugzilla #246651.
 
       */
 
      if (this.transport.overrideMimeType &&
 
          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
 
            headers['Connection'] = 'close';
 
    }
 

	
 
    // user-defined headers
 
    if (typeof this.options.requestHeaders == 'object') {
 
      var extras = this.options.requestHeaders;
 

	
 
      if (typeof extras.push == 'function')
 
        for (var i = 0, length = extras.length; i < length; i += 2)
 
          headers[extras[i]] = extras[i+1];
 
      else
 
        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
 
    }
 

	
 
    for (var name in headers)
 
      this.transport.setRequestHeader(name, headers[name]);
 
  },
 

	
 
  success: function() {
 
    return !this.transport.status
 
        || (this.transport.status >= 200 && this.transport.status < 300);
 
  },
 

	
 
  respondToReadyState: function(readyState) {
 
    var state = Ajax.Request.Events[readyState];
 
    var transport = this.transport, json = this.evalJSON();
 

	
 
    if (state == 'Complete') {
 
      try {
 
        this._complete = true;
 
        (this.options['on' + this.transport.status]
 
         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
 
         || Prototype.emptyFunction)(transport, json);
 
      } catch (e) {
 
        this.dispatchException(e);
 
      }
 

	
 
      var contentType = this.getHeader('Content-type');
 
      if (contentType && contentType.strip().
 
        match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i))
 
          this.evalResponse();
 
    }
 

	
 
    try {
 
      (this.options['on' + state] || Prototype.emptyFunction)(transport, json);
 
      Ajax.Responders.dispatch('on' + state, this, transport, json);
 
    } catch (e) {
 
      this.dispatchException(e);
 
    }
 

	
 
    if (state == 'Complete') {
 
      // avoid memory leak in MSIE: clean up
 
      this.transport.onreadystatechange = Prototype.emptyFunction;
 
    }
 
  },
 

	
 
  getHeader: function(name) {
 
    try {
 
      return this.transport.getResponseHeader(name);
 
    } catch (e) { return null }
 
  },
 

	
 
  evalJSON: function() {
 
    try {
 
      var json = this.getHeader('X-JSON');
 
      return json ? json.evalJSON() : null;
 
    } catch (e) { return null }
 
  },
 

	
 
  evalResponse: function() {
 
    try {
 
      return eval((this.transport.responseText || '').unfilterJSON());
 
    } catch (e) {
 
      this.dispatchException(e);
 
    }
 
  },
 

	
 
  dispatchException: function(exception) {
 
    (this.options.onException || Prototype.emptyFunction)(this, exception);
 
    Ajax.Responders.dispatch('onException', this, exception);
 
  }
 
});
 

	
 
Ajax.Updater = Class.create();
 

	
 
Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
 
  initialize: function(container, url, options) {
 
    this.container = {
 
      success: (container.success || container),
 
      failure: (container.failure || (container.success ? null : container))
 
    }
 

	
 
    this.transport = Ajax.getTransport();
 
    this.setOptions(options);
 

	
 
    var onComplete = this.options.onComplete || Prototype.emptyFunction;
 
    this.options.onComplete = (function(transport, param) {
 
      this.updateContent();
 
      onComplete(transport, param);
 
    }).bind(this);
 

	
 
    this.request(url);
 
  },
 

	
 
  updateContent: function() {
 
    var receiver = this.container[this.success() ? 'success' : 'failure'];
 
    var response = this.transport.responseText;
 

	
 
    if (!this.options.evalScripts) response = response.stripScripts();
 

	
 
    if (receiver = $(receiver)) {
 
      if (this.options.insertion)
 
        new this.options.insertion(receiver, response);
 
      else
 
        receiver.update(response);
 
    }
 

	
 
    if (this.success()) {
 
      if (this.onComplete)
 
        setTimeout(this.onComplete.bind(this), 10);
 
    }
 
  }
 
});
 

	
 
Ajax.PeriodicalUpdater = Class.create();
 
Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
 
  initialize: function(container, url, options) {
 
    this.setOptions(options);
 
    this.onComplete = this.options.onComplete;
 

	
 
    this.frequency = (this.options.frequency || 2);
 
    this.decay = (this.options.decay || 1);
 

	
 
    this.updater = {};
 
    this.container = container;
 
    this.url = url;
 

	
 
    this.start();
 
  },
 

	
 
  start: function() {
 
    this.options.onComplete = this.updateComplete.bind(this);
 
    this.onTimerEvent();
 
  },
 

	
 
  stop: function() {
 
    this.updater.options.onComplete = undefined;
 
    clearTimeout(this.timer);
 
    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
 
  },
 

	
 
  updateComplete: function(request) {
 
    if (this.options.decay) {
 
      this.decay = (request.responseText == this.lastText ?
 
        this.decay * this.options.decay : 1);
 

	
 
      this.lastText = request.responseText;
 
    }
 
    this.timer = setTimeout(this.onTimerEvent.bind(this),
 
      this.decay * this.frequency * 1000);
 
  },
 

	
 
  onTimerEvent: function() {
 
    this.updater = new Ajax.Updater(this.container, this.url, this.options);
 
  }
 
});
 
function $(element) {
 
  if (arguments.length > 1) {
 
    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
 
      elements.push($(arguments[i]));
 
    return elements;
 
  }
 
  if (typeof element == 'string')
 
    element = document.getElementById(element);
 
  return Element.extend(element);
 
}
 

	
 
if (Prototype.BrowserFeatures.XPath) {
 
  document._getElementsByXPath = function(expression, parentElement) {
 
    var results = [];
 
    var query = document.evaluate(expression, $(parentElement) || document,
 
      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
 
    for (var i = 0, length = query.snapshotLength; i < length; i++)
 
      results.push(query.snapshotItem(i));
 
    return results;
 
  };
 

	
 
  document.getElementsByClassName = function(className, parentElement) {
 
    var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]";
 
    return document._getElementsByXPath(q, parentElement);
 
  }
 

	
 
} else document.getElementsByClassName = function(className, parentElement) {
 
  var children = ($(parentElement) || document.body).getElementsByTagName('*');
 
  var elements = [], child;
 
  for (var i = 0, length = children.length; i < length; i++) {
 
    child = children[i];
 
    if (Element.hasClassName(child, className))
 
      elements.push(Element.extend(child));
 
  }
 
  return elements;
 
};
 

	
 
/*--------------------------------------------------------------------------*/
 

	
 
if (!window.Element) var Element = {};
 

	
 
Element.extend = function(element) {
 
  var F = Prototype.BrowserFeatures;
 
  if (!element || !element.tagName || element.nodeType == 3 ||
 
   element._extended || F.SpecificElementExtensions || element == window)
 
    return element;
 

	
 
  var methods = {}, tagName = element.tagName, cache = Element.extend.cache,
 
   T = Element.Methods.ByTag;
 

	
 
  // extend methods for all tags (Safari doesn't need this)
 
  if (!F.ElementExtensions) {
 
    Object.extend(methods, Element.Methods),
 
    Object.extend(methods, Element.Methods.Simulated);
 
  }
 

	
 
  // extend methods for specific tags
 
  if (T[tagName]) Object.extend(methods, T[tagName]);
 

	
 
  for (var property in methods) {
 
    var value = methods[property];
 
    if (typeof value == 'function' && !(property in element))
 
      element[property] = cache.findOrStore(value);
 
  }
 

	
 
  element._extended = Prototype.emptyFunction;
 
  return element;
 
};
 

	
 
Element.extend.cache = {
 
  findOrStore: function(value) {
 
    return this[value] = this[value] || function() {
 
      return value.apply(null, [this].concat($A(arguments)));
 
    }
 
  }
 
};
 

	
 
Element.Methods = {
 
  visible: function(element) {
 
    return $(element).style.display != 'none';
 
  },
 

	
 
  toggle: function(element) {
 
    element = $(element);
 
    Element[Element.visible(element) ? 'hide' : 'show'](element);
 
    return element;
 
  },
 

	
 
  hide: function(element) {
 
    $(element).style.display = 'none';
 
    return element;
 
  },
 

	
 
  show: function(element) {
 
    $(element).style.display = '';
 
    return element;
 
  },
 

	
 
  remove: function(element) {
 
    element = $(element);
 
    element.parentNode.removeChild(element);
 
    return element;
 
  },
 

	
 
  update: function(element, html) {
 
    html = typeof html == 'undefined' ? '' : html.toString();
 
    $(element).innerHTML = html.stripScripts();
 
    setTimeout(function() {html.evalScripts()}, 10);
 
    return element;
 
  },
 

	
 
  replace: function(element, html) {
 
    element = $(element);
 
    html = typeof html == 'undefined' ? '' : html.toString();
 
    if (element.outerHTML) {
 
      element.outerHTML = html.stripScripts();
 
    } else {
 
      var range = element.ownerDocument.createRange();
 
      range.selectNodeContents(element);
 
      element.parentNode.replaceChild(
 
        range.createContextualFragment(html.stripScripts()), element);
 
    }
 
    setTimeout(function() {html.evalScripts()}, 10);
 
    return element;
 
  },
 

	
 
  inspect: function(element) {
 
    element = $(element);
 
    var result = '<' + element.tagName.toLowerCase();
 
    $H({'id': 'id', 'className': 'class'}).each(function(pair) {
 
      var property = pair.first(), attribute = pair.last();
 
      var value = (element[property] || '').toString();
 
      if (value) result += ' ' + attribute + '=' + value.inspect(true);
 
    });
 
    return result + '>';
 
  },
 

	
 
  recursivelyCollect: function(element, property) {
 
    element = $(element);
 
    var elements = [];
 
    while (element = element[property])
 
      if (element.nodeType == 1)
 
        elements.push(Element.extend(element));
 
    return elements;
 
  },
 

	
 
  ancestors: function(element) {
 
    return $(element).recursivelyCollect('parentNode');
 
  },
 

	
 
  descendants: function(element) {
 
    return $A($(element).getElementsByTagName('*')).each(Element.extend);
 
  },
 

	
 
  firstDescendant: function(element) {
 
    element = $(element).firstChild;
 
    while (element && element.nodeType != 1) element = element.nextSibling;
 
    return $(element);
 
  },
 

	
 
  immediateDescendants: function(element) {
 
    if (!(element = $(element).firstChild)) return [];
 
    while (element && element.nodeType != 1) element = element.nextSibling;
 
    if (element) return [element].concat($(element).nextSiblings());
 
    return [];
 
  },
 

	
 
  previousSiblings: function(element) {
 
    return $(element).recursivelyCollect('previousSibling');
 
  },
 

	
 
  nextSiblings: function(element) {
 
    return $(element).recursivelyCollect('nextSibling');
 
  },
 

	
 
  siblings: function(element) {
 
    element = $(element);
 
    return element.previousSiblings().reverse().concat(element.nextSiblings());
 
  },
 

	
 
  match: function(element, selector) {
 
    if (typeof selector == 'string')
 
      selector = new Selector(selector);
 
    return selector.match($(element));
 
  },
 

	
 
  up: function(element, expression, index) {
 
    element = $(element);
 
    if (arguments.length == 1) return $(element.parentNode);
 
    var ancestors = element.ancestors();
 
    return expression ? Selector.findElement(ancestors, expression, index) :
 
      ancestors[index || 0];
 
  },
 

	
 
  down: function(element, expression, index) {
 
    element = $(element);
 
    if (arguments.length == 1) return element.firstDescendant();
 
    var descendants = element.descendants();
 
    return expression ? Selector.findElement(descendants, expression, index) :
 
      descendants[index || 0];
 
  },
 

	
 
  previous: function(element, expression, index) {
 
    element = $(element);
 
    if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
 
    var previousSiblings = element.previousSiblings();
 
    return expression ? Selector.findElement(previousSiblings, expression, index) :
 
      previousSiblings[index || 0];
 
  },
 

	
 
  next: function(element, expression, index) {
 
    element = $(element);
 
    if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
 
    var nextSiblings = element.nextSiblings();
 
    return expression ? Selector.findElement(nextSiblings, expression, index) :
 
      nextSiblings[index || 0];
 
  },
 

	
 
  getElementsBySelector: function() {
 
    var args = $A(arguments), element = $(args.shift());
 
    return Selector.findChildElements(element, args);
 
  },
 

	
 
  getElementsByClassName: function(element, className) {
 
    return document.getElementsByClassName(className, element);
 
  },
 

	
 
  readAttribute: function(element, name) {
 
    element = $(element);
 
    if (Prototype.Browser.IE) {
 
      if (!element.attributes) return null;
 
      var t = Element._attributeTranslations;
 
      if (t.values[name]) return t.values[name](element, name);
 
      if (t.names[name])  name = t.names[name];
 
      var attribute = element.attributes[name];
 
      return attribute ? attribute.nodeValue : null;
 
    }
 
    return element.getAttribute(name);
 
  },
 

	
 
  getHeight: function(element) {
 
    return $(element).getDimensions().height;
 
  },
 

	
 
  getWidth: function(element) {
 
    return $(element).getDimensions().width;
 
  },
 

	
 
  classNames: function(element) {
 
    return new Element.ClassNames(element);
 
  },
 

	
 
  hasClassName: function(element, className) {
 
    if (!(element = $(element))) return;
 
    var elementClassName = element.className;
 
    if (elementClassName.length == 0) return false;
 
    if (elementClassName == className ||
 
        elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
 
      return true;
 
    return false;
 
  },
 

	
 
  addClassName: function(element, className) {
 
    if (!(element = $(element))) return;
 
    Element.classNames(element).add(className);
 
    return element;
 
  },
 

	
 
  removeClassName: function(element, className) {
 
    if (!(element = $(element))) return;
 
    Element.classNames(element).remove(className);
 
    return element;
 
  },
 

	
 
  toggleClassName: function(element, className) {
 
    if (!(element = $(element))) return;
 
    Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className);
 
    return element;
 
  },
 

	
 
  observe: function() {
 
    Event.observe.apply(Event, arguments);
 
    return $A(arguments).first();
 
  },
 

	
 
  stopObserving: function() {
 
    Event.stopObserving.apply(Event, arguments);
 
    return $A(arguments).first();
 
  },
 

	
 
  // removes whitespace-only text node children
 
  cleanWhitespace: function(element) {
 
    element = $(element);
 
    var node = element.firstChild;
 
    while (node) {
 
      var nextNode = node.nextSibling;
 
      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
 
        element.removeChild(node);
 
      node = nextNode;
 
    }
 
    return element;
 
  },
 

	
 
  empty: function(element) {
 
    return $(element).innerHTML.blank();
 
  },
 

	
 
  descendantOf: function(element, ancestor) {
 
    element = $(element), ancestor = $(ancestor);
 
    while (element = element.parentNode)
 
      if (element == ancestor) return true;
 
    return false;
 
  },
 

	
 
  scrollTo: function(element) {
 
    element = $(element);
 
    var pos = Position.cumulativeOffset(element);
 
    window.scrollTo(pos[0], pos[1]);
 
    return element;
 
  },
 

	
 
  getStyle: function(element, style) {
 
    element = $(element);
 
    style = style == 'float' ? 'cssFloat' : style.camelize();
 
    var value = element.style[style];
 
    if (!value) {
 
      var css = document.defaultView.getComputedStyle(element, null);
 
      value = css ? css[style] : null;
 
    }
 
    if (style == 'opacity') return value ? parseFloat(value) : 1.0;
 
    return value == 'auto' ? null : value;
 
  },
 

	
 
  getOpacity: function(element) {
 
    return $(element).getStyle('opacity');
 
  },
 

	
 
  setStyle: function(element, styles, camelized) {
 
    element = $(element);
 
    var elementStyle = element.style;
 

	
 
    for (var property in styles)
 
      if (property == 'opacity') element.setOpacity(styles[property])
 
      else
 
        elementStyle[(property == 'float' || property == 'cssFloat') ?
 
          (elementStyle.styleFloat === undefined ? 'cssFloat' : 'styleFloat') :
 
          (camelized ? property : property.camelize())] = styles[property];
 

	
 
    return element;
 
  },
 

	
 
  setOpacity: function(element, value) {
 
    element = $(element);
 
    element.style.opacity = (value == 1 || value === '') ? '' :
 
      (value < 0.00001) ? 0 : value;
 
    return element;
 
  },
 

	
 
  getDimensions: function(element) {
 
    element = $(element);
 
    var display = $(element).getStyle('display');
 
    if (display != 'none' && display != null) // Safari bug
 
      return {width: element.offsetWidth, height: element.offsetHeight};
 

	
 
    // All *Width and *Height properties give 0 on elements with display none,
 
    // so enable the element temporarily
 
    var els = element.style;
 
    var originalVisibility = els.visibility;
 
    var originalPosition = els.position;
 
    var originalDisplay = els.display;
 
    els.visibility = 'hidden';
 
    els.position = 'absolute';
 
    els.display = 'block';
 
    var originalWidth = element.clientWidth;
 
    var originalHeight = element.clientHeight;
 
    els.display = originalDisplay;
 
    els.position = originalPosition;
 
    els.visibility = originalVisibility;
 
    return {width: originalWidth, height: originalHeight};
 
  },
 

	
 
  makePositioned: function(element) {
 
    element = $(element);
 
    var pos = Element.getStyle(element, 'position');
 
    if (pos == 'static' || !pos) {
 
      element._madePositioned = true;
 
      element.style.position = 'relative';
 
      // Opera returns the offset relative to the positioning context, when an
 
      // element is position relative but top and left have not been defined
 
      if (window.opera) {
 
        element.style.top = 0;
 
        element.style.left = 0;
 
      }
 
    }
 
    return element;
 
  },
 

	
 
  undoPositioned: function(element) {
 
    element = $(element);
 
    if (element._madePositioned) {
 
      element._madePositioned = undefined;
 
      element.style.position =
 
        element.style.top =
 
        element.style.left =
 
        element.style.bottom =
 
        element.style.right = '';
 
    }
 
    return element;
 
  },
 

	
 
  makeClipping: function(element) {
 
    element = $(element);
 
    if (element._overflow) return element;
 
    element._overflow = element.style.overflow || 'auto';
 
    if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')
 
      element.style.overflow = 'hidden';
 
    return element;
 
  },
 

	
 
  undoClipping: function(element) {
 
    element = $(element);
 
    if (!element._overflow) return element;
 
    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
 
    element._overflow = null;
 
    return element;
 
  }
 
};
 

	
 
Object.extend(Element.Methods, {
 
  childOf: Element.Methods.descendantOf,
 
  childElements: Element.Methods.immediateDescendants
 
});
 

	
 
if (Prototype.Browser.Opera) {
 
  Element.Methods._getStyle = Element.Methods.getStyle;
 
  Element.Methods.getStyle = function(element, style) {
 
    switch(style) {
 
      case 'left':
 
      case 'top':
 
      case 'right':
 
      case 'bottom':
 
        if (Element._getStyle(element, 'position') == 'static') return null;
 
      default: return Element._getStyle(element, style);
 
    }
 
  };
 
}
 
else if (Prototype.Browser.IE) {
 
  Element.Methods.getStyle = function(element, style) {
 
    element = $(element);
 
    style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
 
    var value = element.style[style];
 
    if (!value && element.currentStyle) value = element.currentStyle[style];
 

	
 
    if (style == 'opacity') {
 
      if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
 
        if (value[1]) return parseFloat(value[1]) / 100;
 
      return 1.0;
 
    }
 

	
 
    if (value == 'auto') {
 
      if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
 
        return element['offset'+style.capitalize()] + 'px';
 
      return null;
 
    }
 
    return value;
 
  };
 

	
 
  Element.Methods.setOpacity = function(element, value) {
 
    element = $(element);
 
    var filter = element.getStyle('filter'), style = element.style;
 
    if (value == 1 || value === '') {
 
      style.filter = filter.replace(/alpha\([^\)]*\)/gi,'');
 
      return element;
 
    } else if (value < 0.00001) value = 0;
 
    style.filter = filter.replace(/alpha\([^\)]*\)/gi, '') +
 
      'alpha(opacity=' + (value * 100) + ')';
 
    return element;
 
  };
 

	
 
  // IE is missing .innerHTML support for TABLE-related elements
 
  Element.Methods.update = function(element, html) {
 
    element = $(element);
 
    html = typeof html == 'undefined' ? '' : html.toString();
 
    var tagName = element.tagName.toUpperCase();
 
    if (['THEAD','TBODY','TR','TD'].include(tagName)) {
 
      var div = document.createElement('div');
 
      switch (tagName) {
 
        case 'THEAD':
 
        case 'TBODY':
 
          div.innerHTML = '<table><tbody>' +  html.stripScripts() + '</tbody></table>';
 
          depth = 2;
 
          break;
 
        case 'TR':
 
          div.innerHTML = '<table><tbody><tr>' +  html.stripScripts() + '</tr></tbody></table>';
 
          depth = 3;
 
          break;
 
        case 'TD':
 
          div.innerHTML = '<table><tbody><tr><td>' +  html.stripScripts() + '</td></tr></tbody></table>';
 
          depth = 4;
 
      }
 
      $A(element.childNodes).each(function(node) { element.removeChild(node) });
 
      depth.times(function() { div = div.firstChild });
 
      $A(div.childNodes).each(function(node) { element.appendChild(node) });
 
    } else {
 
      element.innerHTML = html.stripScripts();
 
    }
 
    setTimeout(function() { html.evalScripts() }, 10);
 
    return element;
 
  }
 
}
 
else if (Prototype.Browser.Gecko) {
 
  Element.Methods.setOpacity = function(element, value) {
 
    element = $(element);
 
    element.style.opacity = (value == 1) ? 0.999999 :
 
      (value === '') ? '' : (value < 0.00001) ? 0 : value;
 
    return element;
 
  };
 
}
 

	
 
Element._attributeTranslations = {
 
  names: {
 
    colspan:   "colSpan",
 
    rowspan:   "rowSpan",
 
    valign:    "vAlign",
 
    datetime:  "dateTime",
 
    accesskey: "accessKey",
 
    tabindex:  "tabIndex",
 
    enctype:   "encType",
 
    maxlength: "maxLength",
 
    readonly:  "readOnly",
 
    longdesc:  "longDesc"
 
  },
 
  values: {
 
    _getAttr: function(element, attribute) {
 
      return element.getAttribute(attribute, 2);
 
    },
 
    _flag: function(element, attribute) {
 
      return $(element).hasAttribute(attribute) ? attribute : null;
 
    },
 
    style: function(element) {
 
      return element.style.cssText.toLowerCase();
 
    },
 
    title: function(element) {
 
      var node = element.getAttributeNode('title');
 
      return node.specified ? node.nodeValue : null;
 
    }
 
  }
 
};
 

	
 
(function() {
 
  Object.extend(this, {
 
    href: this._getAttr,
 
    src:  this._getAttr,
 
    type: this._getAttr,
 
    disabled: this._flag,
 
    checked:  this._flag,
 
    readonly: this._flag,
 
    multiple: this._flag
 
  });
 
}).call(Element._attributeTranslations.values);
 

	
 
Element.Methods.Simulated = {
 
  hasAttribute: function(element, attribute) {
 
    var t = Element._attributeTranslations, node;
 
    attribute = t.names[attribute] || attribute;
 
    node = $(element).getAttributeNode(attribute);
 
    return node && node.specified;
 
  }
 
};
 

	
 
Element.Methods.ByTag = {};
 

	
 
Object.extend(Element, Element.Methods);
 

	
 
if (!Prototype.BrowserFeatures.ElementExtensions &&
 
 document.createElement('div').__proto__) {
 
  window.HTMLElement = {};
 
  window.HTMLElement.prototype = document.createElement('div').__proto__;
 
  Prototype.BrowserFeatures.ElementExtensions = true;
 
}
 

	
 
Element.hasAttribute = function(element, attribute) {
 
  if (element.hasAttribute) return element.hasAttribute(attribute);
 
  return Element.Methods.Simulated.hasAttribute(element, attribute);
 
};
 

	
 
Element.addMethods = function(methods) {
 
  var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;
 

	
 
  if (!methods) {
 
    Object.extend(Form, Form.Methods);
 
    Object.extend(Form.Element, Form.Element.Methods);
 
    Object.extend(Element.Methods.ByTag, {
 
      "FORM":     Object.clone(Form.Methods),
 
      "INPUT":    Object.clone(Form.Element.Methods),
 
      "SELECT":   Object.clone(Form.Element.Methods),
 
      "TEXTAREA": Object.clone(Form.Element.Methods)
 
    });
 
  }
 

	
 
  if (arguments.length == 2) {
 
    var tagName = methods;
 
    methods = arguments[1];
 
  }
 

	
 
  if (!tagName) Object.extend(Element.Methods, methods || {});
 
  else {
 
    if (tagName.constructor == Array) tagName.each(extend);
 
    else extend(tagName);
 
  }
 

	
 
  function extend(tagName) {
 
    tagName = tagName.toUpperCase();
 
    if (!Element.Methods.ByTag[tagName])
 
      Element.Methods.ByTag[tagName] = {};
 
    Object.extend(Element.Methods.ByTag[tagName], methods);
 
  }
 

	
 
  function copy(methods, destination, onlyIfAbsent) {
 
    onlyIfAbsent = onlyIfAbsent || false;
 
    var cache = Element.extend.cache;
 
    for (var property in methods) {
 
      var value = methods[property];
 
      if (!onlyIfAbsent || !(property in destination))
 
        destination[property] = cache.findOrStore(value);
 
    }
 
  }
 

	
 
  function findDOMClass(tagName) {
 
    var klass;
 
    var trans = {
 
      "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
 
      "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
 
      "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
 
      "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
 
      "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
 
      "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
 
      "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
 
      "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
 
      "FrameSet", "IFRAME": "IFrame"
 
    };
 
    if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
 
    if (window[klass]) return window[klass];
 
    klass = 'HTML' + tagName + 'Element';
 
    if (window[klass]) return window[klass];
 
    klass = 'HTML' + tagName.capitalize() + 'Element';
 
    if (window[klass]) return window[klass];
 

	
 
    window[klass] = {};
 
    window[klass].prototype = document.createElement(tagName).__proto__;
 
    return window[klass];
 
  }
 

	
 
  if (F.ElementExtensions) {
 
    copy(Element.Methods, HTMLElement.prototype);
 
    copy(Element.Methods.Simulated, HTMLElement.prototype, true);
 
  }
 

	
 
  if (F.SpecificElementExtensions) {
 
    for (var tag in Element.Methods.ByTag) {
 
      var klass = findDOMClass(tag);
 
      if (typeof klass == "undefined") continue;
 
      copy(T[tag], klass.prototype);
 
    }
 
  }
 

	
 
  Object.extend(Element, Element.Methods);
 
  delete Element.ByTag;
 
};
 

	
 
var Toggle = { display: Element.toggle };
 

	
 
/*--------------------------------------------------------------------------*/
 

	
 
Abstract.Insertion = function(adjacency) {
 
  this.adjacency = adjacency;
 
}
 

	
 
Abstract.Insertion.prototype = {
 
  initialize: function(element, content) {
 
    this.element = $(element);
 
    this.content = content.stripScripts();
 

	
 
    if (this.adjacency && this.element.insertAdjacentHTML) {
 
      try {
 
        this.element.insertAdjacentHTML(this.adjacency, this.content);
 
      } catch (e) {
 
        var tagName = this.element.tagName.toUpperCase();
 
        if (['TBODY', 'TR'].include(tagName)) {
 
          this.insertContent(this.contentFromAnonymousTable());
 
        } else {
 
          throw e;
 
        }
 
      }
 
    } else {
 
      this.range = this.element.ownerDocument.createRange();
 
      if (this.initializeRange) this.initializeRange();
 
      this.insertContent([this.range.createContextualFragment(this.content)]);
 
    }
 

	
 
    setTimeout(function() {content.evalScripts()}, 10);
 
  },
 

	
 
  contentFromAnonymousTable: function() {
 
    var div = document.createElement('div');
 
    div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
 
    return $A(div.childNodes[0].childNodes[0].childNodes);
 
  }
 
}
 

	
 
var Insertion = new Object();
 

	
 
Insertion.Before = Class.create();
 
Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
 
  initializeRange: function() {
 
    this.range.setStartBefore(this.element);
 
  },
 

	
 
  insertContent: function(fragments) {
 
    fragments.each((function(fragment) {
 
      this.element.parentNode.insertBefore(fragment, this.element);
 
    }).bind(this));
 
  }
 
});
 

	
 
Insertion.Top = Class.create();
 
Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
 
  initializeRange: function() {
 
    this.range.selectNodeContents(this.element);
 
    this.range.collapse(true);
 
  },
 

	
 
  insertContent: function(fragments) {
 
    fragments.reverse(false).each((function(fragment) {
 
      this.element.insertBefore(fragment, this.element.firstChild);
 
    }).bind(this));
 
  }
 
});
 

	
 
Insertion.Bottom = Class.create();
 
Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
 
  initializeRange: function() {
 
    this.range.selectNodeContents(this.element);
 
    this.range.collapse(this.element);
 
  },
 

	
 
  insertContent: function(fragments) {
 
    fragments.each((function(fragment) {
 
      this.element.appendChild(fragment);
 
    }).bind(this));
 
  }
 
});
 

	
 
Insertion.After = Class.create();
 
Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
 
  initializeRange: function() {
 
    this.range.setStartAfter(this.element);
 
  },
 

	
 
  insertContent: function(fragments) {
 
    fragments.each((function(fragment) {
 
      this.element.parentNode.insertBefore(fragment,
 
        this.element.nextSibling);
 
    }).bind(this));
 
  }
 
});
 

	
 
/*--------------------------------------------------------------------------*/
 

	
 
Element.ClassNames = Class.create();
 
Element.ClassNames.prototype = {
 
  initialize: function(element) {
 
    this.element = $(element);
 
  },
 

	
 
  _each: function(iterator) {
 
    this.element.className.split(/\s+/).select(function(name) {
 
      return name.length > 0;
 
    })._each(iterator);
 
  },
 

	
 
  set: function(className) {
 
    this.element.className = className;
 
  },
 

	
 
  add: function(classNameToAdd) {
 
    if (this.include(classNameToAdd)) return;
 
    this.set($A(this).concat(classNameToAdd).join(' '));
 
  },
 

	
 
  remove: function(classNameToRemove) {
 
    if (!this.include(classNameToRemove)) return;
 
    this.set($A(this).without(classNameToRemove).join(' '));
 
  },
 

	
 
  toString: function() {
 
    return $A(this).join(' ');
 
  }
 
};
 

	
 
Object.extend(Element.ClassNames.prototype, Enumerable);
 
/* Portions of the Selector class are derived from Jack Slocum’s DomQuery,
 
 * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
 
 * license.  Please see http://www.yui-ext.com/ for more information. */
 

	
 
var Selector = Class.create();
 

	
 
Selector.prototype = {
 
  initialize: function(expression) {
 
    this.expression = expression.strip();
 
    this.compileMatcher();
 
  },
 

	
 
  compileMatcher: function() {
 
    // Selectors with namespaced attributes can't use the XPath version
 
    if (Prototype.BrowserFeatures.XPath && !(/\[[\w-]*?:/).test(this.expression))
 
      return this.compileXPathMatcher();
 

	
 
    var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
 
        c = Selector.criteria, le, p, m;
 

	
 
    if (Selector._cache[e]) {
 
      this.matcher = Selector._cache[e]; return;
 
    }
 
    this.matcher = ["this.matcher = function(root) {",
 
                    "var r = root, h = Selector.handlers, c = false, n;"];
 

	
 
    while (e && le != e && (/\S/).test(e)) {
 
      le = e;
 
      for (var i in ps) {
 
        p = ps[i];
 
        if (m = e.match(p)) {
 
          this.matcher.push(typeof c[i] == 'function' ? c[i](m) :
 
    	      new Template(c[i]).evaluate(m));
 
          e = e.replace(m[0], '');
 
          break;
 
        }
 
      }
 
    }
 

	
 
    this.matcher.push("return h.unique(n);\n}");
 
    eval(this.matcher.join('\n'));
 
    Selector._cache[this.expression] = this.matcher;
 
  },
 

	
 
  compileXPathMatcher: function() {
 
    var e = this.expression, ps = Selector.patterns,
 
        x = Selector.xpath, le,  m;
 

	
 
    if (Selector._cache[e]) {
 
      this.xpath = Selector._cache[e]; return;
 
    }
 

	
 
    this.matcher = ['.//*'];
 
    while (e && le != e && (/\S/).test(e)) {
 
      le = e;
 
      for (var i in ps) {
 
        if (m = e.match(ps[i])) {
 
          this.matcher.push(typeof x[i] == 'function' ? x[i](m) :
 
            new Template(x[i]).evaluate(m));
 
          e = e.replace(m[0], '');
 
          break;
 
        }
 
      }
 
    }
 

	
 
    this.xpath = this.matcher.join('');
 
    Selector._cache[this.expression] = this.xpath;
 
  },
 

	
 
  findElements: function(root) {
 
    root = root || document;
 
    if (this.xpath) return document._getElementsByXPath(this.xpath, root);
 
    return this.matcher(root);
 
  },
 

	
 
  match: function(element) {
 
    return this.findElements(document).include(element);
 
  },
 

	
 
  toString: function() {
 
    return this.expression;
 
  },
 

	
 
  inspect: function() {
 
    return "#<Selector:" + this.expression.inspect() + ">";
 
  }
 
};
 

	
 
Object.extend(Selector, {
 
  _cache: {},
 

	
 
  xpath: {
 
    descendant:   "//*",
 
    child:        "/*",
 
    adjacent:     "/following-sibling::*[1]",
 
    laterSibling: '/following-sibling::*',
 
    tagName:      function(m) {
 
      if (m[1] == '*') return '';
 
      return "[local-name()='" + m[1].toLowerCase() +
 
             "' or local-name()='" + m[1].toUpperCase() + "']";
 
    },
 
    className:    "[contains(concat(' ', @class, ' '), ' #{1} ')]",
 
    id:           "[@id='#{1}']",
 
    attrPresence: "[@#{1}]",
 
    attr: function(m) {
 
      m[3] = m[5] || m[6];
 
      return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
 
    },
 
    pseudo: function(m) {
 
      var h = Selector.xpath.pseudos[m[1]];
 
      if (!h) return '';
 
      if (typeof h === 'function') return h(m);
 
      return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
 
    },
 
    operators: {
 
      '=':  "[@#{1}='#{3}']",
 
      '!=': "[@#{1}!='#{3}']",
 
      '^=': "[starts-with(@#{1}, '#{3}')]",
 
      '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
 
      '*=': "[contains(@#{1}, '#{3}')]",
 
      '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
 
      '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
 
    },
 
    pseudos: {
 
      'first-child': '[not(preceding-sibling::*)]',
 
      'last-child':  '[not(following-sibling::*)]',
 
      'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
 
      'empty':       "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]",
 
      'checked':     "[@checked]",
 
      'disabled':    "[@disabled]",
 
      'enabled':     "[not(@disabled)]",
 
      'not': function(m) {
 
        var e = m[6], p = Selector.patterns,
 
            x = Selector.xpath, le, m, v;
 

	
 
        var exclusion = [];
 
        while (e && le != e && (/\S/).test(e)) {
 
          le = e;
 
          for (var i in p) {
 
            if (m = e.match(p[i])) {
 
              v = typeof x[i] == 'function' ? x[i](m) : new Template(x[i]).evaluate(m);
 
              exclusion.push("(" + v.substring(1, v.length - 1) + ")");
 
              e = e.replace(m[0], '');
 
              break;
 
            }
 
          }
 
        }
 
        return "[not(" + exclusion.join(" and ") + ")]";
 
      },
 
      'nth-child':      function(m) {
 
        return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
 
      },
 
      'nth-last-child': function(m) {
 
        return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
 
      },
 
      'nth-of-type':    function(m) {
 
        return Selector.xpath.pseudos.nth("position() ", m);
 
      },
 
      'nth-last-of-type': function(m) {
 
        return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
 
      },
 
      'first-of-type':  function(m) {
 
        m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
 
      },
 
      'last-of-type':   function(m) {
 
        m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
 
      },
 
      'only-of-type':   function(m) {
 
        var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
 
      },
 
      nth: function(fragment, m) {
 
        var mm, formula = m[6], predicate;
 
        if (formula == 'even') formula = '2n+0';
 
        if (formula == 'odd')  formula = '2n+1';
 
        if (mm = formula.match(/^(\d+)$/)) // digit only
 
          return '[' + fragment + "= " + mm[1] + ']';
 
        if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
 
          if (mm[1] == "-") mm[1] = -1;
 
          var a = mm[1] ? Number(mm[1]) : 1;
 
          var b = mm[2] ? Number(mm[2]) : 0;
 
          predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
 
          "((#{fragment} - #{b}) div #{a} >= 0)]";
 
          return new Template(predicate).evaluate({
 
            fragment: fragment, a: a, b: b });
 
        }
 
      }
 
    }
 
  },
 

	
 
  criteria: {
 
    tagName:      'n = h.tagName(n, r, "#{1}", c);   c = false;',
 
    className:    'n = h.className(n, r, "#{1}", c); c = false;',
 
    id:           'n = h.id(n, r, "#{1}", c);        c = false;',
 
    attrPresence: 'n = h.attrPresence(n, r, "#{1}"); c = false;',
 
    attr: function(m) {
 
      m[3] = (m[5] || m[6]);
 
      return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m);
 
    },
 
    pseudo:       function(m) {
 
      if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
 
      return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
 
    },
 
    descendant:   'c = "descendant";',
 
    child:        'c = "child";',
 
    adjacent:     'c = "adjacent";',
 
    laterSibling: 'c = "laterSibling";'
 
  },
 

	
 
  patterns: {
 
    // combinators must be listed first
 
    // (and descendant needs to be last combinator)
 
    laterSibling: /^\s*~\s*/,
 
    child:        /^\s*>\s*/,
 
    adjacent:     /^\s*\+\s*/,
 
    descendant:   /^\s/,
 

	
 
    // selectors follow
 
    tagName:      /^\s*(\*|[\w\-]+)(\b|$)?/,
 
    id:           /^#([\w\-\*]+)(\b|$)/,
 
    className:    /^\.([\w\-\*]+)(\b|$)/,
 
    pseudo:       /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|\s|(?=:))/,
 
    attrPresence: /^\[([\w]+)\]/,
 
    attr:         /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\]]*?)\4|([^'"][^\]]*?)))?\]/
 
  },
 

	
 
  handlers: {
 
    // UTILITY FUNCTIONS
 
    // joins two collections
 
    concat: function(a, b) {
 
      for (var i = 0, node; node = b[i]; i++)
 
        a.push(node);
 
      return a;
 
    },
 

	
 
    // marks an array of nodes for counting
 
    mark: function(nodes) {
 
      for (var i = 0, node; node = nodes[i]; i++)
 
        node._counted = true;
 
      return nodes;
 
    },
 

	
 
    unmark: function(nodes) {
 
      for (var i = 0, node; node = nodes[i]; i++)
 
        node._counted = undefined;
 
      return nodes;
 
    },
 

	
 
    // mark each child node with its position (for nth calls)
 
    // "ofType" flag indicates whether we're indexing for nth-of-type
 
    // rather than nth-child
 
    index: function(parentNode, reverse, ofType) {
 
      parentNode._counted = true;
 
      if (reverse) {
 
        for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
 
          node = nodes[i];
 
          if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
 
        }
 
      } else {
 
        for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
 
          if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
 
      }
 
    },
 

	
 
    // filters out duplicates and extends all nodes
 
    unique: function(nodes) {
 
      if (nodes.length == 0) return nodes;
 
      var results = [], n;
 
      for (var i = 0, l = nodes.length; i < l; i++)
 
        if (!(n = nodes[i])._counted) {
 
          n._counted = true;
 
          results.push(Element.extend(n));
 
        }
 
      return Selector.handlers.unmark(results);
 
    },
 

	
 
    // COMBINATOR FUNCTIONS
 
    descendant: function(nodes) {
 
      var h = Selector.handlers;
 
      for (var i = 0, results = [], node; node = nodes[i]; i++)
 
        h.concat(results, node.getElementsByTagName('*'));
 
      return results;
 
    },
 

	
 
    child: function(nodes) {
 
      var h = Selector.handlers;
 
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
 
        for (var j = 0, children = [], child; child = node.childNodes[j]; j++)
 
          if (child.nodeType == 1 && child.tagName != '!') results.push(child);
 
      }
 
      return results;
 
    },
 

	
 
    adjacent: function(nodes) {
 
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
 
        var next = this.nextElementSibling(node);
 
        if (next) results.push(next);
 
      }
 
      return results;
 
    },
 

	
 
    laterSibling: function(nodes) {
 
      var h = Selector.handlers;
 
      for (var i = 0, results = [], node; node = nodes[i]; i++)
 
        h.concat(results, Element.nextSiblings(node));
 
      return results;
 
    },
 

	
 
    nextElementSibling: function(node) {
 
      while (node = node.nextSibling)
 
	      if (node.nodeType == 1) return node;
 
      return null;
 
    },
 

	
 
    previousElementSibling: function(node) {
 
      while (node = node.previousSibling)
 
        if (node.nodeType == 1) return node;
 
      return null;
 
    },
 

	
 
    // TOKEN FUNCTIONS
 
    tagName: function(nodes, root, tagName, combinator) {
 
      tagName = tagName.toUpperCase();
 
      var results = [], h = Selector.handlers;
 
      if (nodes) {
 
        if (combinator) {
 
          // fastlane for ordinary descendant combinators
 
          if (combinator == "descendant") {
 
            for (var i = 0, node; node = nodes[i]; i++)
 
              h.concat(results, node.getElementsByTagName(tagName));
 
            return results;
 
          } else nodes = this[combinator](nodes);
 
          if (tagName == "*") return nodes;
 
        }
 
        for (var i = 0, node; node = nodes[i]; i++)
 
          if (node.tagName.toUpperCase() == tagName) results.push(node);
 
        return results;
 
      } else return root.getElementsByTagName(tagName);
 
    },
 

	
 
    id: function(nodes, root, id, combinator) {
 
      var targetNode = $(id), h = Selector.handlers;
 
      if (!nodes && root == document) return targetNode ? [targetNode] : [];
 
      if (nodes) {
 
        if (combinator) {
 
          if (combinator == 'child') {
 
            for (var i = 0, node; node = nodes[i]; i++)
 
              if (targetNode.parentNode == node) return [targetNode];
 
          } else if (combinator == 'descendant') {
 
            for (var i = 0, node; node = nodes[i]; i++)
 
              if (Element.descendantOf(targetNode, node)) return [targetNode];
 
          } else if (combinator == 'adjacent') {
 
            for (var i = 0, node; node = nodes[i]; i++)
 
              if (Selector.handlers.previousElementSibling(targetNode) == node)
 
                return [targetNode];
 
          } else nodes = h[combinator](nodes);
 
        }
 
        for (var i = 0, node; node = nodes[i]; i++)
 
          if (node == targetNode) return [targetNode];
 
        return [];
 
      }
 
      return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
 
    },
 

	
 
    className: function(nodes, root, className, combinator) {
 
      if (nodes && combinator) nodes = this[combinator](nodes);
 
      return Selector.handlers.byClassName(nodes, root, className);
 
    },
 

	
 
    byClassName: function(nodes, root, className) {
 
      if (!nodes) nodes = Selector.handlers.descendant([root]);
 
      var needle = ' ' + className + ' ';
 
      for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
 
        nodeClassName = node.className;
 
        if (nodeClassName.length == 0) continue;
 
        if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
 
          results.push(node);
 
      }
 
      return results;
 
    },
 

	
 
    attrPresence: function(nodes, root, attr) {
 
      var results = [];
 
      for (var i = 0, node; node = nodes[i]; i++)
 
        if (Element.hasAttribute(node, attr)) results.push(node);
 
      return results;
 
    },
 

	
 
    attr: function(nodes, root, attr, value, operator) {
 
      if (!nodes) nodes = root.getElementsByTagName("*");
 
      var handler = Selector.operators[operator], results = [];
 
      for (var i = 0, node; node = nodes[i]; i++) {
 
        var nodeValue = Element.readAttribute(node, attr);
 
        if (nodeValue === null) continue;
 
        if (handler(nodeValue, value)) results.push(node);
 
      }
 
      return results;
 
    },
 

	
 
    pseudo: function(nodes, name, value, root, combinator) {
 
      if (nodes && combinator) nodes = this[combinator](nodes);
 
      if (!nodes) nodes = root.getElementsByTagName("*");
 
      return Selector.pseudos[name](nodes, value, root);
 
    }
 
  },
 

	
 
  pseudos: {
 
    'first-child': function(nodes, value, root) {
 
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
 
        if (Selector.handlers.previousElementSibling(node)) continue;
 
          results.push(node);
 
      }
 
      return results;
 
    },
 
    'last-child': function(nodes, value, root) {
 
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
 
        if (Selector.handlers.nextElementSibling(node)) continue;
 
          results.push(node);
 
      }
 
      return results;
 
    },
 
    'only-child': function(nodes, value, root) {
 
      var h = Selector.handlers;
 
      for (var i = 0, results = [], node; node = nodes[i]; i++)
 
        if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
 
          results.push(node);
 
      return results;
 
    },
 
    'nth-child':        function(nodes, formula, root) {
 
      return Selector.pseudos.nth(nodes, formula, root);
 
    },
 
    'nth-last-child':   function(nodes, formula, root) {
 
      return Selector.pseudos.nth(nodes, formula, root, true);
 
    },
 
    'nth-of-type':      function(nodes, formula, root) {
 
      return Selector.pseudos.nth(nodes, formula, root, false, true);
 
    },
 
    'nth-last-of-type': function(nodes, formula, root) {
 
      return Selector.pseudos.nth(nodes, formula, root, true, true);
 
    },
 
    'first-of-type':    function(nodes, formula, root) {
 
      return Selector.pseudos.nth(nodes, "1", root, false, true);
 
    },
 
    'last-of-type':     function(nodes, formula, root) {
 
      return Selector.pseudos.nth(nodes, "1", root, true, true);
 
    },
 
    'only-of-type':     function(nodes, formula, root) {
 
      var p = Selector.pseudos;
 
      return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
 
    },
 

	
 
    // handles the an+b logic
 
    getIndices: function(a, b, total) {
 
      if (a == 0) return b > 0 ? [b] : [];
 
      return $R(1, total).inject([], function(memo, i) {
 
        if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
 
        return memo;
 
      });
 
    },
 

	
 
    // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
 
    nth: function(nodes, formula, root, reverse, ofType) {
 
      if (nodes.length == 0) return [];
 
      if (formula == 'even') formula = '2n+0';
 
      if (formula == 'odd')  formula = '2n+1';
 
      var h = Selector.handlers, results = [], indexed = [], m;
 
      h.mark(nodes);
 
      for (var i = 0, node; node = nodes[i]; i++) {
 
        if (!node.parentNode._counted) {
 
          h.index(node.parentNode, reverse, ofType);
 
          indexed.push(node.parentNode);
 
        }
 
      }
 
      if (formula.match(/^\d+$/)) { // just a number
 
        formula = Number(formula);
 
        for (var i = 0, node; node = nodes[i]; i++)
 
          if (node.nodeIndex == formula) results.push(node);
 
      } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
 
        if (m[1] == "-") m[1] = -1;
 
        var a = m[1] ? Number(m[1]) : 1;
 
        var b = m[2] ? Number(m[2]) : 0;
 
        var indices = Selector.pseudos.getIndices(a, b, nodes.length);
 
        for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
 
          for (var j = 0; j < l; j++)
 
            if (node.nodeIndex == indices[j]) results.push(node);
 
        }
 
      }
 
      h.unmark(nodes);
 
      h.unmark(indexed);
 
      return results;
 
    },
 

	
 
    'empty': function(nodes, value, root) {
 
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
 
        // IE treats comments as element nodes
 
        if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue;
 
        results.push(node);
 
      }
 
      return results;
 
    },
 

	
 
    'not': function(nodes, selector, root) {
 
      var h = Selector.handlers, selectorType, m;
 
      var exclusions = new Selector(selector).findElements(root);
 
      h.mark(exclusions);
 
      for (var i = 0, results = [], node; node = nodes[i]; i++)
 
        if (!node._counted) results.push(node);
 
      h.unmark(exclusions);
 
      return results;
 
    },
 

	
 
    'enabled': function(nodes, value, root) {
 
      for (var i = 0, results = [], node; node = nodes[i]; i++)
 
        if (!node.disabled) results.push(node);
 
      return results;
 
    },
 

	
 
    'disabled': function(nodes, value, root) {
 
      for (var i = 0, results = [], node; node = nodes[i]; i++)
 
        if (node.disabled) results.push(node);
 
      return results;
 
    },
 

	
 
    'checked': function(nodes, value, root) {
 
      for (var i = 0, results = [], node; node = nodes[i]; i++)
 
        if (node.checked) results.push(node);
 
      return results;
 
    }
 
  },
 

	
 
  operators: {
 
    '=':  function(nv, v) { return nv == v; },
 
    '!=': function(nv, v) { return nv != v; },
 
    '^=': function(nv, v) { return nv.startsWith(v); },
 
    '$=': function(nv, v) { return nv.endsWith(v); },
 
    '*=': function(nv, v) { return nv.include(v); },
 
    '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
 
    '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); }
 
  },
 

	
 
  matchElements: function(elements, expression) {
 
    var matches = new Selector(expression).findElements(), h = Selector.handlers;
 
    h.mark(matches);
 
    for (var i = 0, results = [], element; element = elements[i]; i++)
 
      if (element._counted) results.push(element);
 
    h.unmark(matches);
 
    return results;
 
  },
 

	
 
  findElement: function(elements, expression, index) {
 
    if (typeof expression == 'number') {
 
      index = expression; expression = false;
 
    }
 
    return Selector.matchElements(elements, expression || '*')[index || 0];
 
  },
 

	
 
  findChildElements: function(element, expressions) {
 
    var exprs = expressions.join(','), expressions = [];
 
    exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
 
      expressions.push(m[1].strip());
 
    });
 
    var results = [], h = Selector.handlers;
 
    for (var i = 0, l = expressions.length, selector; i < l; i++) {
 
      selector = new Selector(expressions[i].strip());
 
      h.concat(results, selector.findElements(element));
 
    }
 
    return (l > 1) ? h.unique(results) : results;
 
  }
 
});
 

	
 
function $$() {
 
  return Selector.findChildElements(document, $A(arguments));
 
}
 
var Form = {
 
  reset: function(form) {
 
    $(form).reset();
 
    return form;
 
  },
 

	
 
  serializeElements: function(elements, getHash) {
 
    var data = elements.inject({}, function(result, element) {
 
      if (!element.disabled && element.name) {
 
        var key = element.name, value = $(element).getValue();
 
        if (value != null) {
 
         	if (key in result) {
 
            if (result[key].constructor != Array) result[key] = [result[key]];
 
            result[key].push(value);
 
          }
 
          else result[key] = value;
 
        }
 
      }
 
      return result;
 
    });
 

	
 
    return getHash ? data : Hash.toQueryString(data);
 
  }
 
};
 

	
 
Form.Methods = {
 
  serialize: function(form, getHash) {
 
    return Form.serializeElements(Form.getElements(form), getHash);
 
  },
 

	
 
  getElements: function(form) {
 
    return $A($(form).getElementsByTagName('*')).inject([],
 
      function(elements, child) {
 
        if (Form.Element.Serializers[child.tagName.toLowerCase()])
 
          elements.push(Element.extend(child));
 
        return elements;
 
      }
 
    );
 
  },
 

	
 
  getInputs: function(form, typeName, name) {
 
    form = $(form);
 
    var inputs = form.getElementsByTagName('input');
 

	
 
    if (!typeName && !name) return $A(inputs).map(Element.extend);
 

	
 
    for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
 
      var input = inputs[i];
 
      if ((typeName && input.type != typeName) || (name && input.name != name))
 
        continue;
 
      matchingInputs.push(Element.extend(input));
 
    }
 

	
 
    return matchingInputs;
 
  },
 

	
 
  disable: function(form) {
 
    form = $(form);
 
    Form.getElements(form).invoke('disable');
 
    return form;
 
  },
 

	
 
  enable: function(form) {
 
    form = $(form);
 
    Form.getElements(form).invoke('enable');
 
    return form;
 
  },
 

	
 
  findFirstElement: function(form) {
 
    return $(form).getElements().find(function(element) {
 
      return element.type != 'hidden' && !element.disabled &&
 
        ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
 
    });
 
  },
 

	
 
  focusFirstElement: function(form) {
 
    form = $(form);
 
    form.findFirstElement().activate();
 
    return form;
 
  },
 

	
 
  request: function(form, options) {
 
    form = $(form), options = Object.clone(options || {});
 

	
 
    var params = options.parameters;
 
    options.parameters = form.serialize(true);
 

	
 
    if (params) {
 
      if (typeof params == 'string') params = params.toQueryParams();
 
      Object.extend(options.parameters, params);
 
    }
 

	
 
    if (form.hasAttribute('method') && !options.method)
 
      options.method = form.method;
 

	
 
    return new Ajax.Request(form.readAttribute('action'), options);
 
  }
 
}
 

	
 
/*--------------------------------------------------------------------------*/
 

	
 
Form.Element = {
 
  focus: function(element) {
 
    $(element).focus();
 
    return element;
 
  },
 

	
 
  select: function(element) {
 
    $(element).select();
 
    return element;
 
  }
 
}
 

	
 
Form.Element.Methods = {
 
  serialize: function(element) {
 
    element = $(element);
 
    if (!element.disabled && element.name) {
 
      var value = element.getValue();
 
      if (value != undefined) {
 
        var pair = {};
 
        pair[element.name] = value;
 
        return Hash.toQueryString(pair);
 
      }
 
    }
 
    return '';
 
  },
 

	
 
  getValue: function(element) {
 
    element = $(element);
 
    var method = element.tagName.toLowerCase();
 
    return Form.Element.Serializers[method](element);
 
  },
 

	
 
  clear: function(element) {
 
    $(element).value = '';
 
    return element;
 
  },
 

	
 
  present: function(element) {
 
    return $(element).value != '';
 
  },
 

	
 
  activate: function(element) {
 
    element = $(element);
 
    try {
 
      element.focus();
 
      if (element.select && (element.tagName.toLowerCase() != 'input' ||
 
        !['button', 'reset', 'submit'].include(element.type)))
 
        element.select();
 
    } catch (e) {}
 
    return element;
 
  },
 

	
 
  disable: function(element) {
 
    element = $(element);
 
    element.blur();
 
    element.disabled = true;
 
    return element;
 
  },
 

	
 
  enable: function(element) {
 
    element = $(element);
 
    element.disabled = false;
 
    return element;
 
  }
 
}
 

	
 
/*--------------------------------------------------------------------------*/
 

	
 
var Field = Form.Element;
 
var $F = Form.Element.Methods.getValue;
 

	
 
/*--------------------------------------------------------------------------*/
 

	
 
Form.Element.Serializers = {
 
  input: function(element) {
 
    switch (element.type.toLowerCase()) {
 
      case 'checkbox':
 
      case 'radio':
 
        return Form.Element.Serializers.inputSelector(element);
 
      default:
 
        return Form.Element.Serializers.textarea(element);
 
    }
 
  },
 

	
 
  inputSelector: function(element) {
 
    return element.checked ? element.value : null;
 
  },
 

	
 
  textarea: function(element) {
 
    return element.value;
 
  },
 

	
 
  select: function(element) {
 
    return this[element.type == 'select-one' ?
 
      'selectOne' : 'selectMany'](element);
 
  },
 

	
 
  selectOne: function(element) {
 
    var index = element.selectedIndex;
 
    return index >= 0 ? this.optionValue(element.options[index]) : null;
 
  },
 

	
 
  selectMany: function(element) {
 
    var values, length = element.length;
 
    if (!length) return null;
 

	
 
    for (var i = 0, values = []; i < length; i++) {
 
      var opt = element.options[i];
 
      if (opt.selected) values.push(this.optionValue(opt));
 
    }
 
    return values;
 
  },
 

	
 
  optionValue: function(opt) {
 
    // extend element because hasAttribute may not be native
 
    return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
 
  }
 
}
 

	
 
/*--------------------------------------------------------------------------*/
 

	
 
Abstract.TimedObserver = function() {}
 
Abstract.TimedObserver.prototype = {
 
  initialize: function(element, frequency, callback) {
 
    this.frequency = frequency;
 
    this.element   = $(element);
 
    this.callback  = callback;
 

	
 
    this.lastValue = this.getValue();
 
    this.registerCallback();
 
  },
 

	
 
  registerCallback: function() {
 
    setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
 
  },
 

	
 
  onTimerEvent: function() {
 
    var value = this.getValue();
 
    var changed = ('string' == typeof this.lastValue && 'string' == typeof value
 
      ? this.lastValue != value : String(this.lastValue) != String(value));
 
    if (changed) {
 
      this.callback(this.element, value);
 
      this.lastValue = value;
 
    }
 
  }
 
}
 

	
 
Form.Element.Observer = Class.create();
 
Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
 
  getValue: function() {
 
    return Form.Element.getValue(this.element);
 
  }
 
});
 

	
 
Form.Observer = Class.create();
 
Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
 
  getValue: function() {
 
    return Form.serialize(this.element);
 
  }
 
});
 

	
 
/*--------------------------------------------------------------------------*/
 

	
 
Abstract.EventObserver = function() {}
 
Abstract.EventObserver.prototype = {
 
  initialize: function(element, callback) {
 
    this.element  = $(element);
 
    this.callback = callback;
 

	
 
    this.lastValue = this.getValue();
 
    if (this.element.tagName.toLowerCase() == 'form')
 
      this.registerFormCallbacks();
 
    else
 
      this.registerCallback(this.element);
 
  },
 

	
 
  onElementEvent: function() {
 
    var value = this.getValue();
 
    if (this.lastValue != value) {
 
      this.callback(this.element, value);
 
      this.lastValue = value;
 
    }
 
  },
 

	
 
  registerFormCallbacks: function() {
 
    Form.getElements(this.element).each(this.registerCallback.bind(this));
 
  },
 

	
 
  registerCallback: function(element) {
 
    if (element.type) {
 
      switch (element.type.toLowerCase()) {
 
        case 'checkbox':
 
        case 'radio':
 
          Event.observe(element, 'click', this.onElementEvent.bind(this));
 
          break;
 
        default:
 
          Event.observe(element, 'change', this.onElementEvent.bind(this));
 
          break;
 
      }
 
    }
 
  }
 
}
 

	
 
Form.Element.EventObserver = Class.create();
 
Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
 
  getValue: function() {
 
    return Form.Element.getValue(this.element);
 
  }
 
});
 

	
 
Form.EventObserver = Class.create();
 
Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
 
  getValue: function() {
 
    return Form.serialize(this.element);
 
  }
 
});
 
if (!window.Event) {
 
  var Event = new Object();
 
}
 

	
 
Object.extend(Event, {
 
  KEY_BACKSPACE: 8,
 
  KEY_TAB:       9,
 
  KEY_RETURN:   13,
 
  KEY_ESC:      27,
 
  KEY_LEFT:     37,
 
  KEY_UP:       38,
 
  KEY_RIGHT:    39,
 
  KEY_DOWN:     40,
 
  KEY_DELETE:   46,
 
  KEY_HOME:     36,
 
  KEY_END:      35,
 
  KEY_PAGEUP:   33,
 
  KEY_PAGEDOWN: 34,
 

	
 
  element: function(event) {
 
    return $(event.target || event.srcElement);
 
  },
 

	
 
  isLeftClick: function(event) {
 
    return (((event.which) && (event.which == 1)) ||
 
            ((event.button) && (event.button == 1)));
 
  },
 

	
 
  pointerX: function(event) {
 
    return event.pageX || (event.clientX +
 
      (document.documentElement.scrollLeft || document.body.scrollLeft));
 
  },
 

	
 
  pointerY: function(event) {
 
    return event.pageY || (event.clientY +
 
      (document.documentElement.scrollTop || document.body.scrollTop));
 
  },
 

	
 
  stop: function(event) {
 
    if (event.preventDefault) {
 
      event.preventDefault();
 
      event.stopPropagation();
 
    } else {
 
      event.returnValue = false;
 
      event.cancelBubble = true;
 
    }
 
  },
 

	
 
  // find the first node with the given tagName, starting from the
 
  // node the event was triggered on; traverses the DOM upwards
 
  findElement: function(event, tagName) {
 
    var element = Event.element(event);
 
    while (element.parentNode && (!element.tagName ||
 
        (element.tagName.toUpperCase() != tagName.toUpperCase())))
 
      element = element.parentNode;
 
    return element;
 
  },
 

	
 
  observers: false,
 

	
 
  _observeAndCache: function(element, name, observer, useCapture) {
 
    if (!this.observers) this.observers = [];
 
    if (element.addEventListener) {
 
      this.observers.push([element, name, observer, useCapture]);
 
      element.addEventListener(name, observer, useCapture);
 
    } else if (element.attachEvent) {
 
      this.observers.push([element, name, observer, useCapture]);
 
      element.attachEvent('on' + name, observer);
 
    }
 
  },
 

	
 
  unloadCache: function() {
 
    if (!Event.observers) return;
 
    for (var i = 0, length = Event.observers.length; i < length; i++) {
 
      Event.stopObserving.apply(this, Event.observers[i]);
 
      Event.observers[i][0] = null;
 
    }
 
    Event.observers = false;
 
  },
 

	
 
  observe: function(element, name, observer, useCapture) {
 
    element = $(element);
 
    useCapture = useCapture || false;
 

	
 
    if (name == 'keypress' &&
 
      (Prototype.Browser.WebKit || element.attachEvent))
 
      name = 'keydown';
 

	
 
    Event._observeAndCache(element, name, observer, useCapture);
 
  },
 

	
 
  stopObserving: function(element, name, observer, useCapture) {
 
    element = $(element);
 
    useCapture = useCapture || false;
 

	
 
    if (name == 'keypress' &&
 
        (Prototype.Browser.WebKit || element.attachEvent))
 
      name = 'keydown';
 

	
 
    if (element.removeEventListener) {
 
      element.removeEventListener(name, observer, useCapture);
 
    } else if (element.detachEvent) {
 
      try {
 
        element.detachEvent('on' + name, observer);
 
      } catch (e) {}
 
    }
 
  }
 
});
 

	
 
/* prevent memory leaks in IE */
 
if (Prototype.Browser.IE)
 
  Event.observe(window, 'unload', Event.unloadCache, false);
 
var Position = {
 
  // set to true if needed, warning: firefox performance problems
 
  // NOT neeeded for page scrolling, only if draggable contained in
 
  // scrollable elements
 
  includeScrollOffsets: false,
 

	
 
  // must be called before calling withinIncludingScrolloffset, every time the
 
  // page is scrolled
 
  prepare: function() {
 
    this.deltaX =  window.pageXOffset
 
                || document.documentElement.scrollLeft
 
                || document.body.scrollLeft
 
                || 0;
 
    this.deltaY =  window.pageYOffset
 
                || document.documentElement.scrollTop
 
                || document.body.scrollTop
 
                || 0;
 
  },
 

	
 
  realOffset: function(element) {
 
    var valueT = 0, valueL = 0;
 
    do {
 
      valueT += element.scrollTop  || 0;
 
      valueL += element.scrollLeft || 0;
 
      element = element.parentNode;
 
    } while (element);
 
    return [valueL, valueT];
 
  },
 

	
 
  cumulativeOffset: function(element) {
 
    var valueT = 0, valueL = 0;
 
    do {
 
      valueT += element.offsetTop  || 0;
 
      valueL += element.offsetLeft || 0;
 
      element = element.offsetParent;
 
    } while (element);
 
    return [valueL, valueT];
 
  },
 

	
 
  positionedOffset: function(element) {
 
    var valueT = 0, valueL = 0;
 
    do {
 
      valueT += element.offsetTop  || 0;
 
      valueL += element.offsetLeft || 0;
 
      element = element.offsetParent;
 
      if (element) {
 
        if(element.tagName=='BODY') break;
 
        var p = Element.getStyle(element, 'position');
 
        if (p == 'relative' || p == 'absolute') break;
 
      }
 
    } while (element);
 
    return [valueL, valueT];
 
  },
 

	
 
  offsetParent: function(element) {
 
    if (element.offsetParent) return element.offsetParent;
 
    if (element == document.body) return element;
 

	
 
    while ((element = element.parentNode) && element != document.body)
 
      if (Element.getStyle(element, 'position') != 'static')
 
        return element;
 

	
 
    return document.body;
 
  },
 

	
 
  // caches x/y coordinate pair to use with overlap
 
  within: function(element, x, y) {
 
    if (this.includeScrollOffsets)
 
      return this.withinIncludingScrolloffsets(element, x, y);
 
    this.xcomp = x;
 
    this.ycomp = y;
 
    this.offset = this.cumulativeOffset(element);
 

	
 
    return (y >= this.offset[1] &&
 
            y <  this.offset[1] + element.offsetHeight &&
 
            x >= this.offset[0] &&
 
            x <  this.offset[0] + element.offsetWidth);
 
  },
 

	
 
  withinIncludingScrolloffsets: function(element, x, y) {
 
    var offsetcache = this.realOffset(element);
 

	
 
    this.xcomp = x + offsetcache[0] - this.deltaX;
 
    this.ycomp = y + offsetcache[1] - this.deltaY;
 
    this.offset = this.cumulativeOffset(element);
 

	
 
    return (this.ycomp >= this.offset[1] &&
 
            this.ycomp <  this.offset[1] + element.offsetHeight &&
 
            this.xcomp >= this.offset[0] &&
 
            this.xcomp <  this.offset[0] + element.offsetWidth);
 
  },
 

	
 
  // within must be called directly before
 
  overlap: function(mode, element) {
 
    if (!mode) return 0;
 
    if (mode == 'vertical')
 
      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
 
        element.offsetHeight;
 
    if (mode == 'horizontal')
 
      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
 
        element.offsetWidth;
 
  },
 

	
 
  page: function(forElement) {
 
    var valueT = 0, valueL = 0;
 

	
 
    var element = forElement;
 
    do {
 
      valueT += element.offsetTop  || 0;
 
      valueL += element.offsetLeft || 0;
 

	
 
      // Safari fix
 
      if (element.offsetParent == document.body)
 
        if (Element.getStyle(element,'position')=='absolute') break;
 

	
 
    } while (element = element.offsetParent);
 

	
 
    element = forElement;
 
    do {
 
      if (!window.opera || element.tagName=='BODY') {
 
        valueT -= element.scrollTop  || 0;
 
        valueL -= element.scrollLeft || 0;
 
      }
 
    } while (element = element.parentNode);
 

	
 
    return [valueL, valueT];
 
  },
 

	
 
  clone: function(source, target) {
 
    var options = Object.extend({
 
      setLeft:    true,
 
      setTop:     true,
 
      setWidth:   true,
 
      setHeight:  true,
 
      offsetTop:  0,
 
      offsetLeft: 0
 
    }, arguments[2] || {})
 

	
 
    // find page position of source
 
    source = $(source);
 
    var p = Position.page(source);
 

	
 
    // find coordinate system to use
 
    target = $(target);
 
    var delta = [0, 0];
 
    var parent = null;
 
    // delta [0,0] will do fine with position: fixed elements,
 
    // position:absolute needs offsetParent deltas
 
    if (Element.getStyle(target,'position') == 'absolute') {
 
      parent = Position.offsetParent(target);
 
      delta = Position.page(parent);
 
    }
 

	
 
    // correct by body offsets (fixes Safari)
 
    if (parent == document.body) {
 
      delta[0] -= document.body.offsetLeft;
 
      delta[1] -= document.body.offsetTop;
 
    }
 

	
 
    // set position
 
    if(options.setLeft)   target.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
 
    if(options.setTop)    target.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
 
    if(options.setWidth)  target.style.width = source.offsetWidth + 'px';
 
    if(options.setHeight) target.style.height = source.offsetHeight + 'px';
 
  },
 

	
 
  absolutize: function(element) {
 
    element = $(element);
 
    if (element.style.position == 'absolute') return;
 
    Position.prepare();
 

	
 
    var offsets = Position.positionedOffset(element);
 
    var top     = offsets[1];
 
    var left    = offsets[0];
 
    var width   = element.clientWidth;
 
    var height  = element.clientHeight;
 

	
 
    element._originalLeft   = left - parseFloat(element.style.left  || 0);
 
    element._originalTop    = top  - parseFloat(element.style.top || 0);
 
    element._originalWidth  = element.style.width;
 
    element._originalHeight = element.style.height;
 

	
 
    element.style.position = 'absolute';
 
    element.style.top    = top + 'px';
 
    element.style.left   = left + 'px';
 
    element.style.width  = width + 'px';
 
    element.style.height = height + 'px';
 
  },
 

	
 
  relativize: function(element) {
 
    element = $(element);
 
    if (element.style.position == 'relative') return;
 
    Position.prepare();
 

	
 
    element.style.position = 'relative';
 
    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
 
    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
 

	
 
    element.style.top    = top + 'px';
 
    element.style.left   = left + 'px';
 
    element.style.height = element._originalHeight;
 
    element.style.width  = element._originalWidth;
 
  }
 
}
 

	
 
// Safari returns margins on body which is incorrect if the child is absolutely
 
// positioned.  For performance reasons, redefine Position.cumulativeOffset for
 
// KHTML/WebKit only.
 
if (Prototype.Browser.WebKit) {
 
  Position.cumulativeOffset = function(element) {
 
    var valueT = 0, valueL = 0;
 
    do {
 
      valueT += element.offsetTop  || 0;
 
      valueL += element.offsetLeft || 0;
 
      if (element.offsetParent == document.body)
 
        if (Element.getStyle(element, 'position') == 'absolute') break;
 

	
 
      element = element.offsetParent;
 
    } while (element);
 

	
 
    return [valueL, valueT];
 
  }
 
}
 

	
 
Element.addMethods();
 
\ No newline at end of file
styles/glider.css
Show inline comments
 
new file 100644
 
div.scroller { 
 
	/* modify width and height of scrolling section if necessary	*/		
 
	width: 626px; 
 
	/* height: 300px;*/
 
	overflow: hidden;
 
	border:0;
 
	padding:0;
 
	margin:0;
 
//OLD:	margin-left: -23px;
 
	}
 
	div.scroller div.section {
 
		/* modify width and height of each section as needed (should match the size of the scroller window)	*/		
 
		width:626px;
 
		/* height:300px; */
 
		overflow:hidden;
 
		float:left;
 
		padding:0;		
 
		}
 
//OLD:	img.header {
 
//OLD:		padding-top: 15px;
 
//OLD:		margin-top:-5px;
 
//OLD:	 }
 
	div.scroller div.section div.txt {
 
		padding: 1em;
 
	}
 
	div.scroller div.scontent {
 
		width: 50000px;
 
		}
 
.controls {
 
//OLD:text-align: center;
 
text-align: left;
 
margin-top: 10px;
 
margin-bottom: 2px;
 
}
 
.controls a{
 
  -moz-border-radius-topright: 10px;
 
  -moz-border-radius-topleft: 10px;
 
  text-decoration: none;
 
  background: rgba(152,1,1,0.9);
 
  padding: 2px;
 
//OLD:  margin-left: 3px;
 
//OLD:  margin-right: 3px;
 
}
 
.controls a:link{
 
	color: rgba(255,255,255,1);
 
}
 
.controls a:visited{
 
	color: rgba(255,255,255,1);
 
}
 
.controls a:hover{
 
	background: rgba(255,255,255,1);
 
	color: rgba(152,1,1,0.9);
 
}
 
.controls a:active{
 
	color: rgba(200,200,200,1);
 
}
 
\ No newline at end of file
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