diff --git a/auto.php b/auto.php
new file mode 100644
--- /dev/null
+++ b/auto.php
@@ -0,0 +1,144 @@
+<?php
+/*
+ * Copyright 2010 Nathan Phillip Brink <ohnobinki@ohnopublishing.net>
+ *
+ * This file is a part of slate_permutate.
+ *
+ * slate_permutate is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * slate_permutate is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with slate_permutate.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * \file
+ *   This file's purpose is to autocomplete class names for supporting
+ *   the autocomplete JS based off of crawling schools' registration
+ *   websites. This shall only perform the autocompletion of class
+ *   names.
+ *
+ *   Since we output JSON, no special Page classes and stuff
+ *   :-p. Except we still call the Page class's session_start()
+ *   function because we apparently need sessions.... oh yeah, for
+ *   school profile supports ;-).
+ */
+
+require_once('inc/school.inc');
+require_once('inc/class.page.php');
+require_once('class.class.php');
+
+Page::session_start();
+
+if (isset($_REQUEST['txt']))
+  header('Content-Type: text/plain; encoding=utf-8');
+else
+  header('Content-Type: application/json; encoding=utf-8');
+
+if (!isset($_REQUEST['term']))
+  clean_empty_exit();
+
+$getsections = FALSE;
+if (isset($_REQUEST['getsections']))
+  $getsections = TRUE;
+
+$term = $_REQUEST['term'];
+$term_parts = Classes::parse($term);
+if (!count($term_parts))
+  clean_empty_exit();
+
+$school = school_load_guess();
+if (!$school['crawled'])
+  clean_empty_exit();
+
+$cache_dir = dirname(__FILE__) . DIRECTORY_SEPARATOR . 'cache' . DIRECTORY_SEPARATOR . 'auto' . DIRECTORY_SEPARATOR . $school['id'] . DIRECTORY_SEPARATOR;
+
+/*
+ * autocomplete the list of departments. If the user has already
+ * entered a valid department name _and_ delimitted it, however, go on
+ * to the next autocompletion step.
+ */
+$term_strlen = strlen($term);
+$dept_strlen = strlen($term_parts['department']);
+$dept = $term_parts['department'];
+if (!$getsections && count($term_parts) == 1 && $term_strlen == strlen($dept))
+  {
+    $dept_file = $cache_dir . '-depts';
+    if (!file_exists($dept_file))
+      clean_empty_exit();
+    $deptartments = unserialize(file_get_contents($dept_file));
+    foreach ($deptartments as $key => $department)
+      {
+	if (!strncmp($department, $dept, $term_strlen))
+	  $departments[$key] = $department . '-';
+	else
+	  unset($departments[$key]);
+      }
+    echo json_encode($departments);
+    exit(0);
+  }
+
+if ($getsections)
+  {
+    $section_file = $cache_dir . $dept . DIRECTORY_SEPARATOR . $term_parts['course'];
+    if (file_exists($section_file))
+      {
+	readfile($section_file);
+	exit(0);
+      }
+    /* section not found! */
+    header('HTTP/1.1 404: Not found');
+    header('Content-Type: text/plain; encoding=utf-8');
+    echo 'Could not find course ' . implode('-', $term_parts) . "\n";
+    exit(0);
+  }
+
+/*
+ * if a department is fully entered, life gets slightly more
+ * complicated. I suppose I only want to autocomplete the first digit
+ * of the course/class number. I.e., CS-2 for CS-262 for when the
+ * student has entered CS- or 'CS'. But for now we can just dump the entire department at the user ;-).
+ */
+$classes_file = $cache_dir . $dept . '.sects';
+if (file_exists($classes_file))
+  {
+    $classes = unserialize(file_get_contents($classes_file));
+    $class_start = '';
+    if (count($term_parts) > 1)
+      $class_start = $term_parts['course'];
+    $class_start_strlen = strlen($class_start);
+
+    /* reduce/create resultset */
+    $json_classes = array();
+    foreach ($classes as $class)
+      if (!strncmp($class, $class_start, $class_start_strlen))
+	{
+	  $json_classes[] = $dept . '-' . $class;
+	}
+
+    echo json_encode($json_classes);
+    exit(0);
+  }
+
+/**
+ * Nothing caught..
+ */
+echo '["Oops"]';
+exit(0);
+
+/**
+ * \brief
+ *   Send an empty JSON array and exit.
+ */
+function clean_empty_exit()
+{
+  echo '[]';
+  exit(0);
+}