diff --git a/htdocs/sql/libraries/plugin_interface.lib.php b/htdocs/sql/libraries/plugin_interface.lib.php
new file mode 100755
--- /dev/null
+++ b/htdocs/sql/libraries/plugin_interface.lib.php
@@ -0,0 +1,373 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Generic plugin interface.
+ *
+ * @version $Id: plugin_interface.lib.php 11421 2008-07-23 16:55:33Z lem9 $
+ */
+
+/**
+ * array PMA_getPlugins(string $plugins_dir, mixed $plugin_param)
+ *
+ * Reads all plugin information from directory $plugins_dir.
+ *
+ * @uses    ksort()
+ * @uses    opendir()
+ * @uses    readdir()
+ * @uses    is_file()
+ * @uses    eregi()
+ * @param   string  $plugins_dir    directrory with plugins
+ * @param   mixed   $plugin_param   parameter to plugin by which they can decide whether they can work
+ * @return  array                   list of plugins
+ */
+function PMA_getPlugins($plugins_dir, $plugin_param)
+{
+    /* Scan for plugins */
+    $plugin_list = array();
+    if ($handle = @opendir($plugins_dir)) {
+        $is_first = 0;
+        while ($file = @readdir($handle)) {
+            // In some situations, Mac OS creates a new file for each file
+            // (for example ._csv.php) so the following regexp
+            // matches a file which does not start with a dot but ends
+            // with ".php"
+            if (is_file($plugins_dir . $file) && preg_match('@^[^\.](.)*\.php$@i', $file)) {
+                include $plugins_dir . $file;
+            }
+        }
+    }
+    ksort($plugin_list);
+    return $plugin_list;
+}
+
+/**
+ * string PMA_getString(string $name)
+ *
+ * returns locale string for $name or $name if no locale is found
+ *
+ * @uses    $GLOBALS
+ * @param   string  $name   for local string
+ * @return  string          locale string for $name
+ */
+function PMA_getString($name)
+{
+    return isset($GLOBALS[$name]) ? $GLOBALS[$name] : $name;
+}
+
+/**
+ * string PMA_pluginCheckboxCheck(string $section, string $opt)
+ *
+ * returns html input tag option 'checked' if plugin $opt should be set by config or request
+ *
+ * @uses    $_REQUEST
+ * @uses    $GLOBALS['cfg']
+ * @uses    $GLOBALS['timeout_passed']
+ * @param   string  $section    name of config section in
+ *                              $GLOBALS['cfg'][$section] for plugin
+ * @param   string  $opt        name of option
+ * @return  string              hmtl input tag option 'checked'
+ */
+function PMA_pluginCheckboxCheck($section, $opt)
+{
+    if ((isset($GLOBALS['timeout_passed']) && $GLOBALS['timeout_passed'] && isset($_REQUEST[$opt])) ||
+        (isset($GLOBALS['cfg'][$section][$opt]) && $GLOBALS['cfg'][$section][$opt])) {
+        return ' checked="checked"';
+    }
+    return '';
+}
+
+/**
+ * string PMA_pluginGetDefault(string $section, string $opt)
+ *
+ * returns default value for option $opt
+ *
+ * @uses    htmlspecialchars()
+ * @uses    $_REQUEST
+ * @uses    $GLOBALS['cfg']
+ * @uses    $GLOBALS['timeout_passed']
+ * @param   string  $section    name of config section in
+ *                              $GLOBALS['cfg'][$section] for plugin
+ * @param   string  $opt        name of option
+ * @return  string              default value for option $opt
+ */
+function PMA_pluginGetDefault($section, $opt)
+{
+    if (isset($GLOBALS['timeout_passed']) && $GLOBALS['timeout_passed'] && isset($_REQUEST[$opt])) {
+        return htmlspecialchars($_REQUEST[$opt]);
+    } elseif (isset($GLOBALS['cfg'][$section][$opt])) {
+        $matches = array();
+        /* Possibly replace localised texts */
+        if (preg_match_all('/(str[A-Z][A-Za-z0-9]*)/', $GLOBALS['cfg'][$section][$opt], $matches)) {
+            $val = $GLOBALS['cfg'][$section][$opt];
+            foreach($matches[0] as $match) {
+                if (isset($GLOBALS[$match])) {
+                    $val = str_replace($match, $GLOBALS[$match], $val);
+                }
+            }
+            return htmlspecialchars($val);
+        } else {
+            return htmlspecialchars($GLOBALS['cfg'][$section][$opt]);
+        }
+    }
+    return '';
+}
+
+/**
+ * string PMA_pluginIsActive(string $section, string $opt, string $val)
+ *
+ * returns html input tag option 'checked' if option $opt should be set by config or request
+ *
+ * @uses    $_REQUEST
+ * @uses    $GLOBALS['cfg']
+ * @uses    $GLOBALS['timeout_passed']
+ * @param   string  $section    name of config section in
+ *                              $GLOBALS['cfg'][$section] for plugin
+ * @param   string  $opt        name of option
+ * @param   string  $val        value of option to check against
+ * @return  string              html input tag option 'checked'
+ */
+function PMA_pluginIsActive($section, $opt, $val)
+{
+    if (! empty($GLOBALS['timeout_passed']) && isset($_REQUEST[$opt])) {
+        if ($_REQUEST[$opt] == $val) {
+            return ' checked="checked"';
+        }
+    } elseif (isset($GLOBALS['cfg'][$section][$opt]) &&  $GLOBALS['cfg'][$section][$opt] == $val) {
+        return ' checked="checked"';
+    }
+    return '';
+}
+
+/**
+ * string PMA_pluginGetChoice(string $section, string $name, array &$list, string $cfgname)
+ *
+ * returns html radio form element for plugin choice
+ *
+ * @uses    PMA_pluginIsActive()
+ * @uses    PMA_getString()
+ * @param   string  $section    name of config section in
+ *                              $GLOBALS['cfg'][$section] for plugin
+ * @param   string  $name       name of radio element
+ * @param   array   &$list      array with plugin configuration defined in plugin file
+ * @param   string  $cfgname    name of config value, if none same as $name
+ * @return  string              html input radio tag
+ */
+function PMA_pluginGetChoice($section, $name, &$list, $cfgname = NULL)
+{
+    if (!isset($cfgname)) {
+        $cfgname = $name;
+    }
+    $ret = '';
+    foreach ($list as $plugin_name => $val) {
+        $ret .= '<!-- ' . $plugin_name . ' -->' . "\n";
+        $ret .= '<input type="radio" name="' . $name . '" value="' . $plugin_name . '"'
+            . ' id="radio_plugin_' . $plugin_name . '"'
+            . ' onclick="if(this.checked) { hide_them_all();';
+        if (isset($val['force_file'])) {
+            $ret .= 'document.getElementById(\'checkbox_dump_asfile\').checked = true;';
+        }
+        $ret .= ' document.getElementById(\'' . $plugin_name . '_options\').style.display = \'block\'; };'
+                .' return true"'
+            . PMA_pluginIsActive($section, $cfgname, $plugin_name) . '/>' . "\n";
+        $ret .= '<label for="radio_plugin_' . $plugin_name . '">'
+            . PMA_getString($val['text']) . '</label>' . "\n";
+        $ret .= '<br /><br />' . "\n";
+    }
+    return $ret;
+}
+
+/**
+ * string PMA_pluginGetOneOption(string $section, string $plugin_name, string $id, array &$opt)
+ *
+ * returns single option in a table row
+ *
+ * @uses    PMA_getString()
+ * @uses    PMA_pluginCheckboxCheck()
+ * @uses    PMA_pluginGetDefault()
+ * @param   string  $section        name of config section in
+ *                                  $GLOBALS['cfg'][$section] for plugin
+ * @param   string  $plugin_name    unique plugin name
+ * @param   string  $id             option id
+ * @param   array   &$opt           plugin option details
+ * @return  string                  table row with option
+ */
+function PMA_pluginGetOneOption($section, $plugin_name, $id, &$opt)
+{
+    $ret = "\n";
+    if ($opt['type'] == 'bool') {
+        $ret .= '<div class="formelementrow">' . "\n";
+        $ret .= '<input type="checkbox" name="' . $plugin_name . '_' . $opt['name'] . '"'
+            . ' value="something" id="checkbox_' . $plugin_name . '_' . $opt['name'] . '"'
+            . ' ' . PMA_pluginCheckboxCheck($section, $plugin_name . '_' . $opt['name']);
+        if (isset($opt['force'])) {
+            /* Same code is also few lines lower, update both if needed */
+            $ret .= ' onclick="if (!this.checked &amp;&amp; '
+                . '(!document.getElementById(\'checkbox_' . $plugin_name . '_' .$opt['force'] . '\') '
+                . '|| !document.getElementById(\'checkbox_' . $plugin_name . '_' .$opt['force'] . '\').checked)) '
+                . 'return false; else return true;"';
+        }
+        $ret .= ' />';
+        $ret .= '<label for="checkbox_' . $plugin_name . '_' . $opt['name'] . '">'
+            . PMA_getString($opt['text']) . '</label>';
+        $ret .= '</div>' . "\n";
+    } elseif ($opt['type'] == 'text') {
+        $ret .= '<div class="formelementrow">' . "\n";
+        $ret .= '<label for="text_' . $plugin_name . '_' . $opt['name'] . '" class="desc">'
+            . PMA_getString($opt['text']) . '</label>';
+        $ret .= '<input type="text" name="' . $plugin_name . '_' . $opt['name'] . '"'
+            . ' value="' . PMA_pluginGetDefault($section, $plugin_name . '_' . $opt['name']) . '"'
+            . ' id="text_' . $plugin_name . '_' . $opt['name'] . '"'
+            . (isset($opt['size']) ? ' size="' . $opt['size'] . '"' : '')
+            . (isset($opt['len']) ? ' maxlength="' . $opt['len'] . '"' : '') . ' />';
+        $ret .= '</div>' . "\n";
+    } elseif ($opt['type'] == 'message_only') {
+        $ret .= '<div class="formelementrow">' . "\n";
+        $ret .= '<p class="desc">' . PMA_getString($opt['text']) . '</p>';
+        $ret .= '</div>' . "\n";
+    } elseif ($opt['type'] == 'select') {
+        $ret .= '<div class="formelementrow">' . "\n";
+        $ret .= '<label for="select_' . $plugin_name . '_' . $opt['name'] . '" class="desc">'
+            . PMA_getString($opt['text']) . '</label>';
+        $ret .= '<select name="' . $plugin_name . '_' . $opt['name'] . '"'
+            . ' id="select_' . $plugin_name . '_' . $opt['name'] . '">';
+        $default = PMA_pluginGetDefault($section, $plugin_name . '_' . $opt['name']);
+        foreach($opt['values'] as $key => $val) {
+            $ret .= '<option value="' . $key . '"';
+            if ($key == $default) {
+                $ret .= ' selected="selected"';
+            }
+            $ret .= '>' . PMA_getString($val) . '</option>';
+        }
+        $ret .= '</select>';
+        $ret .= '</div>' . "\n";
+    } elseif ($opt['type'] == 'hidden') {
+        $ret .= '<input type="hidden" name="' . $plugin_name . '_' . $opt['name'] . '"'
+            . ' value="' . PMA_pluginGetDefault($section, $plugin_name . '_' . $opt['name']) . '"' . ' />';
+    } elseif ($opt['type'] == 'bgroup') {
+        $ret .= '<fieldset><legend>';
+        /* No checkbox without name */
+        if (!empty($opt['name'])) {
+            $ret .= '<input type="checkbox" name="' . $plugin_name . '_' . $opt['name'] . '"'
+                . ' value="something" id="checkbox_' . $plugin_name . '_' . $opt['name'] . '"'
+                . ' ' . PMA_pluginCheckboxCheck($section, $plugin_name . '_' . $opt['name']);
+            if (isset($opt['force'])) {
+                /* Same code is also few lines higher, update both if needed */
+                $ret .= ' onclick="if (!this.checked &amp;&amp; '
+                    . '(!document.getElementById(\'checkbox_' . $plugin_name . '_' .$opt['force'] . '\') '
+                    . '|| !document.getElementById(\'checkbox_' . $plugin_name . '_' .$opt['force'] . '\').checked)) '
+                    . 'return false; else return true;"';
+            }
+            $ret .= ' />';
+            $ret .= '<label for="checkbox_' . $plugin_name . '_' . $opt['name'] . '">'
+                . PMA_getString($opt['text']) . '</label>';
+        } else {
+            $ret .= PMA_getString($opt['text']);
+        }
+        $ret .= '</legend>';
+    } elseif ($opt['type'] == 'egroup') {
+        $ret .= '</fieldset>';
+    } else {
+        /* This should be seen only by plugin writers, so I do not thing this
+         * needs translation. */
+        $ret .= 'UNKNOWN OPTION ' . $opt['type'] . ' IN IMPORT PLUGIN ' . $plugin_name . '!';
+    }
+    if (isset($opt['doc'])) {
+        $ret .= PMA_showMySQLDocu($opt['doc'][0], $opt['doc'][1]);
+    }
+    $ret .= "\n";
+    return $ret;
+}
+
+/**
+ * string PMA_pluginGetOptions(string $section, array &$list)
+ *
+ * return html fieldset with editable options for plugin
+ *
+ * @uses    PMA_getString()
+ * @uses    PMA_pluginGetOneOption()
+ * @param   string  $section    name of config section in $GLOBALS['cfg'][$section]
+ * @param   array   &$list      array with plugin configuration defined in plugin file
+ * @return  string              html fieldset with plugin options
+ */
+function PMA_pluginGetOptions($section, &$list)
+{
+    $ret = '';
+    // Options for plugins that support them
+    foreach ($list as $plugin_name => $val) {
+        $ret .= '<fieldset id="' . $plugin_name . '_options" class="options">';
+        $ret .= '<legend>' . PMA_getString($val['options_text']) . '</legend>';
+        $count = 0;
+        if (isset($val['options']) && count($val['options']) > 0) {
+            foreach ($val['options'] as $id => $opt) {
+                if ($opt['type'] != 'hidden') $count++;
+                $ret .= PMA_pluginGetOneOption($section, $plugin_name, $id, $opt);
+            }
+        }
+        if ($count == 0) {
+            $ret .= $GLOBALS['strNoOptions'];
+        }
+        $ret .= '</fieldset>';
+    }
+    return $ret;
+}
+
+/**
+ * string PMA_pluginGetJavascript(array &$list)
+ *
+ * return html/javascript code which is needed for handling plugin stuff
+ *
+ * @param   array   &$list      array with plugin configuration defined in plugin file
+ * @return  string              html fieldset with plugin options
+ */
+function PMA_pluginGetJavascript(&$list) {
+    $ret = '
+    <script type="text/javascript">
+    //<![CDATA[
+    function hide_them_all() {
+        ';
+    foreach ($list as $plugin_name => $val) {
+        $ret .= 'document.getElementById("' . $plugin_name . '_options").style.display = "none";' . "\n";
+    }
+    $ret .= '
+    }
+
+    function init_options() {
+        hide_them_all();
+        ';
+    foreach ($list as $plugin_name => $val) {
+        $ret .= 'if (document.getElementById("radio_plugin_' . $plugin_name . '").checked) {' . "\n";
+        if (isset($val['force_file'])) {
+            $ret .= 'document.getElementById(\'checkbox_dump_asfile\').checked = true;' . "\n";
+        }
+        $ret .= 'document.getElementById("' . $plugin_name . '_options").style.display = "block";' . "\n";
+        $ret .= ' } else ' . "\n";
+    }
+    $ret .= '
+        {
+            ;
+        }
+    }
+
+    function match_file(fname) {
+        farr = fname.toLowerCase().split(".");
+        if (farr.length != 0) {
+            len = farr.length
+            if (farr[len - 1] == "gz" || farr[len - 1] == "bz2" || farr[len -1] == "zip") len--;
+            switch (farr[len - 1]) {
+                ';
+    foreach ($list as $plugin_name => $val) {
+        $ret .= 'case "' . $val['extension'] . '" :';
+        $ret .= 'document.getElementById("radio_plugin_' . $plugin_name . '").checked = true;';
+        $ret .= 'init_options();';
+        $ret .= 'break;' . "\n";
+    }
+    $ret .='
+            }
+        }
+    }
+    //]]>
+    </script>
+    ';
+    return $ret;
+}
+?>