diff --git a/Cakefile b/Cakefile
index c365efc..89486e6 100644
--- a/Cakefile
+++ b/Cakefile
@@ -11,12 +11,14 @@ CoffeeScript     = require 'coffee-script'
 
 javascripts = {
   'chosen/chosen.jquery.js': [
-    'coffee/chosen.jquery.coffee'
     'coffee/lib/select-parser.coffee'
+    'coffee/lib/abstract-chosen.coffee'
+    'coffee/chosen.jquery.coffee'
   ]
   'chosen/chosen.proto.js': [
-    'coffee/chosen.proto.coffee'
     'coffee/lib/select-parser.coffee'
+    'coffee/lib/abstract-chosen.coffee'
+    'coffee/chosen.proto.coffee'
   ]
 }
 
diff --git a/chosen/chosen.jquery.js b/chosen/chosen.jquery.js
index 1bd9686..f4f4bb9 100644
--- a/chosen/chosen.jquery.js
+++ b/chosen/chosen.jquery.js
@@ -7,12 +7,227 @@
 
 // MIT License, https://github.com/harvesthq/chosen/blob/master/LICENSE.md
 // This file is generated by `cake build`, do not edit it by hand.
+(function() {
+  var SelectParser;
+  SelectParser = (function() {
+    function SelectParser() {
+      this.options_index = 0;
+      this.parsed = [];
+    }
+    SelectParser.prototype.add_node = function(child) {
+      if (child.nodeName === "OPTGROUP") {
+        return this.add_group(child);
+      } else {
+        return this.add_option(child);
+      }
+    };
+    SelectParser.prototype.add_group = function(group) {
+      var group_position, option, _i, _len, _ref, _results;
+      group_position = this.parsed.length;
+      this.parsed.push({
+        array_index: group_position,
+        group: true,
+        label: group.label,
+        children: 0,
+        disabled: group.disabled
+      });
+      _ref = group.childNodes;
+      _results = [];
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        option = _ref[_i];
+        _results.push(this.add_option(option, group_position, group.disabled));
+      }
+      return _results;
+    };
+    SelectParser.prototype.add_option = function(option, group_position, group_disabled) {
+      if (option.nodeName === "OPTION") {
+        if (option.text !== "") {
+          if (group_position != null) {
+            this.parsed[group_position].children += 1;
+          }
+          this.parsed.push({
+            array_index: this.parsed.length,
+            options_index: this.options_index,
+            value: option.value,
+            text: option.text,
+            html: option.innerHTML,
+            selected: option.selected,
+            disabled: group_disabled === true ? group_disabled : option.disabled,
+            group_array_index: group_position
+          });
+        } else {
+          this.parsed.push({
+            array_index: this.parsed.length,
+            options_index: this.options_index,
+            empty: true
+          });
+        }
+        return this.options_index += 1;
+      }
+    };
+    return SelectParser;
+  })();
+  SelectParser.select_to_array = function(select) {
+    var child, parser, _i, _len, _ref;
+    parser = new SelectParser();
+    _ref = select.childNodes;
+    for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+      child = _ref[_i];
+      parser.add_node(child);
+    }
+    return parser.parsed;
+  };
+  this.SelectParser = SelectParser;
+}).call(this);
+(function() {
+  /*
+  Chosen source: generate output using 'cake build'
+  Copyright (c) 2011 by Harvest
+  */  var AbstractChosen, root;
+  var __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
+  root = this;
+  AbstractChosen = (function() {
+    function AbstractChosen(elmn) {
+      this.set_default_values();
+      this.form_field = elmn;
+      this.is_multiple = this.form_field.multiple;
+      this.default_text_default = this.is_multiple ? "Select Some Options" : "Select an Option";
+      this.setup();
+      this.set_up_html();
+      this.register_observers();
+      this.finish_setup();
+    }
+    AbstractChosen.prototype.set_default_values = function() {
+      this.click_test_action = __bind(function(evt) {
+        return this.test_active_click(evt);
+      }, this);
+      this.active_field = false;
+      this.mouse_on_container = false;
+      this.results_showing = false;
+      this.result_highlighted = null;
+      this.result_single_selected = null;
+      return this.choices = 0;
+    };
+    AbstractChosen.prototype.mouse_enter = function() {
+      return this.mouse_on_container = true;
+    };
+    AbstractChosen.prototype.mouse_leave = function() {
+      return this.mouse_on_container = false;
+    };
+    AbstractChosen.prototype.input_focus = function(evt) {
+      if (!this.active_field) {
+        return setTimeout((__bind(function() {
+          return this.container_mousedown();
+        }, this)), 50);
+      }
+    };
+    AbstractChosen.prototype.input_blur = function(evt) {
+      if (!this.mouse_on_container) {
+        this.active_field = false;
+        return setTimeout((__bind(function() {
+          return this.blur_test();
+        }, this)), 100);
+      }
+    };
+    AbstractChosen.prototype.result_add_option = function(option) {
+      var classes;
+      if (!option.disabled) {
+        option.dom_id = this.container_id + "_o_" + option.array_index;
+        classes = option.selected && this.is_multiple ? [] : ["active-result"];
+        if (option.selected) {
+          classes.push("result-selected");
+        }
+        if (option.group_array_index != null) {
+          classes.push("group-option");
+        }
+        return '<li id="' + option.dom_id + '" class="' + classes.join(' ') + '">' + option.html + '</li>';
+      } else {
+        return "";
+      }
+    };
+    AbstractChosen.prototype.results_update_field = function() {
+      this.result_clear_highlight();
+      this.result_single_selected = null;
+      return this.results_build();
+    };
+    AbstractChosen.prototype.results_toggle = function() {
+      if (this.results_showing) {
+        return this.results_hide();
+      } else {
+        return this.results_show();
+      }
+    };
+    AbstractChosen.prototype.results_search = function(evt) {
+      if (this.results_showing) {
+        return this.winnow_results();
+      } else {
+        return this.results_show();
+      }
+    };
+    AbstractChosen.prototype.keyup_checker = function(evt) {
+      var stroke, _ref;
+      stroke = (_ref = evt.which) != null ? _ref : evt.keyCode;
+      this.search_field_scale();
+      switch (stroke) {
+        case 8:
+          if (this.is_multiple && this.backstroke_length < 1 && this.choices > 0) {
+            return this.keydown_backstroke();
+          } else if (!this.pending_backstroke) {
+            this.result_clear_highlight();
+            return this.results_search();
+          }
+          break;
+        case 13:
+          evt.preventDefault();
+          if (this.results_showing) {
+            return this.result_select(evt);
+          }
+          break;
+        case 27:
+          if (this.results_showing) {
+            return this.results_hide();
+          }
+          break;
+        case 9:
+        case 38:
+        case 40:
+        case 16:
+        case 91:
+        case 17:
+          break;
+        default:
+          return this.results_search();
+      }
+    };
+    AbstractChosen.prototype.generate_field_id = function() {
+      var new_id;
+      new_id = this.generate_random_id();
+      this.form_field.id = new_id;
+      return new_id;
+    };
+    AbstractChosen.prototype.generate_random_char = function() {
+      var chars, newchar, rand;
+      chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZ";
+      rand = Math.floor(Math.random() * chars.length);
+      return newchar = chars.substring(rand, rand + 1);
+    };
+    return AbstractChosen;
+  })();
+  root.AbstractChosen = AbstractChosen;
+}).call(this);
 (function() {
   /*
   Chosen source: generate output using 'cake build'
   Copyright (c) 2011 by Harvest
   */  var $, Chosen, get_side_border_padding, root;
-  var __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
+  var __hasProp = Object.prototype.hasOwnProperty, __extends = function(child, parent) {
+    for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; }
+    function ctor() { this.constructor = child; }
+    ctor.prototype = parent.prototype;
+    child.prototype = new ctor;
+    child.__super__ = parent.prototype;
+    return child;
+  }, __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
   root = this;
   $ = jQuery;
   $.fn.extend({
@@ -28,27 +243,16 @@
     }
   });
   Chosen = (function() {
-    function Chosen(elmn) {
-      this.set_default_values();
-      this.form_field = elmn;
-      this.form_field_jq = $(this.form_field);
-      this.is_multiple = this.form_field.multiple;
-      this.is_rtl = this.form_field_jq.hasClass("chzn-rtl");
-      this.default_text_default = this.form_field.multiple ? "Select Some Options" : "Select an Option";
-      this.set_up_html();
-      this.register_observers();
-      this.form_field_jq.addClass("chzn-done");
+    __extends(Chosen, AbstractChosen);
+    function Chosen() {
+      Chosen.__super__.constructor.apply(this, arguments);
     }
-    Chosen.prototype.set_default_values = function() {
-      this.click_test_action = __bind(function(evt) {
-        return this.test_active_click(evt);
-      }, this);
-      this.active_field = false;
-      this.mouse_on_container = false;
-      this.results_showing = false;
-      this.result_highlighted = null;
-      this.result_single_selected = null;
-      return this.choices = 0;
+    Chosen.prototype.setup = function() {
+      this.form_field_jq = $(this.form_field);
+      return this.is_rtl = this.form_field_jq.hasClass("chzn-rtl");
+    };
+    Chosen.prototype.finish_setup = function() {
+      return this.form_field_jq.addClass("chzn-done");
     };
     Chosen.prototype.set_up_html = function() {
       var container_div, dd_top, dd_width, sf_width;
@@ -158,27 +362,6 @@
         return this.pending_destroy_click = false;
       }
     };
-    Chosen.prototype.mouse_enter = function() {
-      return this.mouse_on_container = true;
-    };
-    Chosen.prototype.mouse_leave = function() {
-      return this.mouse_on_container = false;
-    };
-    Chosen.prototype.input_focus = function(evt) {
-      if (!this.active_field) {
-        return setTimeout((__bind(function() {
-          return this.container_mousedown();
-        }, this)), 50);
-      }
-    };
-    Chosen.prototype.input_blur = function(evt) {
-      if (!this.mouse_on_container) {
-        this.active_field = false;
-        return setTimeout((__bind(function() {
-          return this.blur_test();
-        }, this)), 100);
-      }
-    };
     Chosen.prototype.blur_test = function(evt) {
       if (!this.active_field && this.container.hasClass("chzn-container-active")) {
         return this.close_field();
@@ -254,27 +437,6 @@
         return "";
       }
     };
-    Chosen.prototype.result_add_option = function(option) {
-      var classes;
-      if (!option.disabled) {
-        option.dom_id = this.container_id + "_o_" + option.array_index;
-        classes = option.selected && this.is_multiple ? [] : ["active-result"];
-        if (option.selected) {
-          classes.push("result-selected");
-        }
-        if (option.group_array_index != null) {
-          classes.push("group-option");
-        }
-        return '<li id="' + option.dom_id + '" class="' + classes.join(' ') + '">' + option.html + '</li>';
-      } else {
-        return "";
-      }
-    };
-    Chosen.prototype.results_update_field = function() {
-      this.result_clear_highlight();
-      this.result_single_selected = null;
-      return this.results_build();
-    };
     Chosen.prototype.result_do_highlight = function(el) {
       var high_bottom, high_top, maxHeight, visible_bottom, visible_top;
       if (el.length) {
@@ -299,13 +461,6 @@
       }
       return this.result_highlight = null;
     };
-    Chosen.prototype.results_toggle = function() {
-      if (this.results_showing) {
-        return this.results_hide();
-      } else {
-        return this.results_show();
-      }
-    };
     Chosen.prototype.results_show = function() {
       var dd_top;
       if (!this.is_multiple) {
@@ -453,13 +608,6 @@
       this.form_field_jq.trigger("change");
       return this.search_field_scale();
     };
-    Chosen.prototype.results_search = function(evt) {
-      if (this.results_showing) {
-        return this.winnow_results();
-      } else {
-        return this.results_show();
-      }
-    };
     Chosen.prototype.winnow_results = function() {
       var found, option, part, parts, regex, result_id, results, searchText, startTime, startpos, text, zregex, _i, _j, _len, _len2, _ref;
       startTime = new Date();
@@ -601,41 +749,6 @@
       }
       return this.pending_backstroke = null;
     };
-    Chosen.prototype.keyup_checker = function(evt) {
-      var stroke, _ref;
-      stroke = (_ref = evt.which) != null ? _ref : evt.keyCode;
-      this.search_field_scale();
-      switch (stroke) {
-        case 8:
-          if (this.is_multiple && this.backstroke_length < 1 && this.choices > 0) {
-            return this.keydown_backstroke();
-          } else if (!this.pending_backstroke) {
-            this.result_clear_highlight();
-            return this.results_search();
-          }
-          break;
-        case 13:
-          evt.preventDefault();
-          if (this.results_showing) {
-            return this.result_select(evt);
-          }
-          break;
-        case 27:
-          if (this.results_showing) {
-            return this.results_hide();
-          }
-          break;
-        case 9:
-        case 38:
-        case 40:
-        case 16:
-        case 91:
-        case 17:
-          break;
-        default:
-          return this.results_search();
-      }
-    };
     Chosen.prototype.keydown_checker = function(evt) {
       var stroke, _ref;
       stroke = (_ref = evt.which) != null ? _ref : evt.keyCode;
@@ -692,12 +805,6 @@
         });
       }
     };
-    Chosen.prototype.generate_field_id = function() {
-      var new_id;
-      new_id = this.generate_random_id();
-      this.form_field.id = new_id;
-      return new_id;
-    };
     Chosen.prototype.generate_random_id = function() {
       var string;
       string = "sel" + this.generate_random_char() + this.generate_random_char() + this.generate_random_char();
@@ -706,12 +813,6 @@
       }
       return string;
     };
-    Chosen.prototype.generate_random_char = function() {
-      var chars, newchar, rand;
-      chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZ";
-      rand = Math.floor(Math.random() * chars.length);
-      return newchar = chars.substring(rand, rand + 1);
-    };
     return Chosen;
   })();
   get_side_border_padding = function(elmt) {
@@ -720,75 +821,3 @@
   };
   root.get_side_border_padding = get_side_border_padding;
 }).call(this);
-(function() {
-  var SelectParser;
-  SelectParser = (function() {
-    function SelectParser() {
-      this.options_index = 0;
-      this.parsed = [];
-    }
-    SelectParser.prototype.add_node = function(child) {
-      if (child.nodeName === "OPTGROUP") {
-        return this.add_group(child);
-      } else {
-        return this.add_option(child);
-      }
-    };
-    SelectParser.prototype.add_group = function(group) {
-      var group_position, option, _i, _len, _ref, _results;
-      group_position = this.parsed.length;
-      this.parsed.push({
-        array_index: group_position,
-        group: true,
-        label: group.label,
-        children: 0,
-        disabled: group.disabled
-      });
-      _ref = group.childNodes;
-      _results = [];
-      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-        option = _ref[_i];
-        _results.push(this.add_option(option, group_position, group.disabled));
-      }
-      return _results;
-    };
-    SelectParser.prototype.add_option = function(option, group_position, group_disabled) {
-      if (option.nodeName === "OPTION") {
-        if (option.text !== "") {
-          if (group_position != null) {
-            this.parsed[group_position].children += 1;
-          }
-          this.parsed.push({
-            array_index: this.parsed.length,
-            options_index: this.options_index,
-            value: option.value,
-            text: option.text,
-            html: option.innerHTML,
-            selected: option.selected,
-            disabled: group_disabled === true ? group_disabled : option.disabled,
-            group_array_index: group_position
-          });
-        } else {
-          this.parsed.push({
-            array_index: this.parsed.length,
-            options_index: this.options_index,
-            empty: true
-          });
-        }
-        return this.options_index += 1;
-      }
-    };
-    return SelectParser;
-  })();
-  SelectParser.select_to_array = function(select) {
-    var child, parser, _i, _len, _ref;
-    parser = new SelectParser();
-    _ref = select.childNodes;
-    for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-      child = _ref[_i];
-      parser.add_node(child);
-    }
-    return parser.parsed;
-  };
-  this.SelectParser = SelectParser;
-}).call(this);
diff --git a/chosen/chosen.jquery.min.js b/chosen/chosen.jquery.min.js
index e396473..18131c5 100644
--- a/chosen/chosen.jquery.min.js
+++ b/chosen/chosen.jquery.min.js
@@ -7,4 +7,4 @@
 
 // MIT License, https://github.com/harvesthq/chosen/blob/master/LICENSE.md
 // This file is generated by `cake build`, do not edit it by hand.
-(function(){var a,b,c,d,e=function(a,b){return function(){return a.apply(b,arguments)}};d=this,a=jQuery,a.fn.extend({chosen:function(c,d){return a.browser!=="msie"||a.browser.version!=="6.0"&&a.browser.version!=="7.0"?a(this).each(function(e){if(!a(this).hasClass("chzn-done"))return new b(this,c,d)}):this}}),b=function(){function b(b){this.set_default_values(),this.form_field=b,this.form_field_jq=a(this.form_field),this.is_multiple=this.form_field.multiple,this.is_rtl=this.form_field_jq.hasClass("chzn-rtl"),this.default_text_default=this.form_field.multiple?"Select Some Options":"Select an Option",this.set_up_html(),this.register_observers(),this.form_field_jq.addClass("chzn-done")}b.prototype.set_default_values=function(){this.click_test_action=e(function(a){return this.test_active_click(a)},this),this.active_field=!1,this.mouse_on_container=!1,this.results_showing=!1,this.result_highlighted=null,this.result_single_selected=null;return this.choices=0},b.prototype.set_up_html=function(){var b,d,e,f;this.container_id=this.form_field.id.length?this.form_field.id.replace(/(:|\.)/g,"_"):this.generate_field_id(),this.container_id+="_chzn",this.f_width=this.form_field_jq.width(),this.default_text=this.form_field_jq.data("placeholder")?this.form_field_jq.data("placeholder"):this.default_text_default,b=a("<div />",{id:this.container_id,"class":"chzn-container "+(this.is_rtl?"chzn-rtl":""),style:"width: "+this.f_width+"px;"}),this.is_multiple?b.html('<ul class="chzn-choices"><li class="search-field"><input type="text" value="'+this.default_text+'" class="default" autocomplete="off" style="width:25px;" /></li></ul><div class="chzn-drop" style="left:-9000px;"><ul class="chzn-results"></ul></div>'):b.html('<a href="javascript:void(0)" class="chzn-single"><span>'+this.default_text+'</span><div><b></b></div></a><div class="chzn-drop" style="left:-9000px;"><div class="chzn-search"><input type="text" autocomplete="off" /></div><ul class="chzn-results"></ul></div>'),this.form_field_jq.hide().after(b),this.container=a("#"+this.container_id),this.container.addClass("chzn-container-"+(this.is_multiple?"multi":"single")),this.dropdown=this.container.find("div.chzn-drop").first(),d=this.container.height(),e=this.f_width-c(this.dropdown),this.dropdown.css({width:e+"px",top:d+"px"}),this.search_field=this.container.find("input").first(),this.search_results=this.container.find("ul.chzn-results").first(),this.search_field_scale(),this.search_no_results=this.container.find("li.no-results").first(),this.is_multiple?(this.search_choices=this.container.find("ul.chzn-choices").first(),this.search_container=this.container.find("li.search-field").first()):(this.search_container=this.container.find("div.chzn-search").first(),this.selected_item=this.container.find(".chzn-single").first(),f=e-c(this.search_container)-c(this.search_field),this.search_field.css({width:f+"px"})),this.results_build();return this.set_tab_index()},b.prototype.register_observers=function(){this.container.mousedown(e(function(a){return this.container_mousedown(a)},this)),this.container.mouseenter(e(function(a){return this.mouse_enter(a)},this)),this.container.mouseleave(e(function(a){return this.mouse_leave(a)},this)),this.search_results.mouseup(e(function(a){return this.search_results_mouseup(a)},this)),this.search_results.mouseover(e(function(a){return this.search_results_mouseover(a)},this)),this.search_results.mouseout(e(function(a){return this.search_results_mouseout(a)},this)),this.form_field_jq.bind("liszt:updated",e(function(a){return this.results_update_field(a)},this)),this.search_field.blur(e(function(a){return this.input_blur(a)},this)),this.search_field.keyup(e(function(a){return this.keyup_checker(a)},this)),this.search_field.keydown(e(function(a){return this.keydown_checker(a)},this));if(this.is_multiple){this.search_choices.click(e(function(a){return this.choices_click(a)},this));return this.search_field.focus(e(function(a){return this.input_focus(a)},this))}return this.selected_item.focus(e(function(a){return this.activate_field(a)},this))},b.prototype.container_mousedown=function(b){b&&b.type==="mousedown"&&b.stopPropagation();if(!this.pending_destroy_click){this.active_field?!this.is_multiple&&b&&(a(b.target)===this.selected_item||a(b.target).parents("a.chzn-single").length)&&(b.preventDefault(),this.results_toggle()):(this.is_multiple&&this.search_field.val(""),a(document).click(this.click_test_action),this.results_show());return this.activate_field()}return this.pending_destroy_click=!1},b.prototype.mouse_enter=function(){return this.mouse_on_container=!0},b.prototype.mouse_leave=function(){return this.mouse_on_container=!1},b.prototype.input_focus=function(a){if(!this.active_field)return setTimeout(e(function(){return this.container_mousedown()},this),50)},b.prototype.input_blur=function(a){if(!this.mouse_on_container){this.active_field=!1;return setTimeout(e(function(){return this.blur_test()},this),100)}},b.prototype.blur_test=function(a){if(!this.active_field&&this.container.hasClass("chzn-container-active"))return this.close_field()},b.prototype.close_field=function(){a(document).unbind("click",this.click_test_action),this.is_multiple||(this.selected_item.attr("tabindex",this.search_field.attr("tabindex")),this.search_field.attr("tabindex",-1)),this.active_field=!1,this.results_hide(),this.container.removeClass("chzn-container-active"),this.winnow_results_clear(),this.clear_backstroke(),this.show_search_field_default();return this.search_field_scale()},b.prototype.activate_field=function(){!this.is_multiple&&!this.active_field&&(this.search_field.attr("tabindex",this.selected_item.attr("tabindex")),this.selected_item.attr("tabindex",-1)),this.container.addClass("chzn-container-active"),this.active_field=!0,this.search_field.val(this.search_field.val());return this.search_field.focus()},b.prototype.test_active_click=function(b){return a(b.target).parents("#"+this.container_id).length?this.active_field=!0:this.close_field()},b.prototype.results_build=function(){var a,b,c,e,f,g;c=new Date,this.parsing=!0,this.results_data=d.SelectParser.select_to_array(this.form_field),this.is_multiple&&this.choices>0?(this.search_choices.find("li.search-choice").remove(),this.choices=0):this.is_multiple||this.selected_item.find("span").text(this.default_text),a="",g=this.results_data;for(e=0,f=g.length;e<f;e++)b=g[e],b.group?a+=this.result_add_group(b):b.empty||(a+=this.result_add_option(b),b.selected&&this.is_multiple?this.choice_build(b):b.selected&&!this.is_multiple&&this.selected_item.find("span").text(b.text));this.show_search_field_default(),this.search_field_scale(),this.search_results.html(a);return this.parsing=!1},b.prototype.result_add_group=function(b){if(!b.disabled){b.dom_id=this.container_id+"_g_"+b.array_index;return'<li id="'+b.dom_id+'" class="group-result">'+a("<div />").text(b.label).html()+"</li>"}return""},b.prototype.result_add_option=function(a){var b;if(!a.disabled){a.dom_id=this.container_id+"_o_"+a.array_index,b=a.selected&&this.is_multiple?[]:["active-result"],a.selected&&b.push("result-selected"),a.group_array_index!=null&&b.push("group-option");return'<li id="'+a.dom_id+'" class="'+b.join(" ")+'">'+a.html+"</li>"}return""},b.prototype.results_update_field=function(){this.result_clear_highlight(),this.result_single_selected=null;return this.results_build()},b.prototype.result_do_highlight=function(a){var b,c,d,e,f;if(a.length){this.result_clear_highlight(),this.result_highlight=a,this.result_highlight.addClass("highlighted"),d=parseInt(this.search_results.css("maxHeight"),10),f=this.search_results.scrollTop(),e=d+f,c=this.result_highlight.position().top+this.search_results.scrollTop(),b=c+this.result_highlight.outerHeight();if(b>=e)return this.search_results.scrollTop(b-d>0?b-d:0);if(c<f)return this.search_results.scrollTop(c)}},b.prototype.result_clear_highlight=function(){this.result_highlight&&this.result_highlight.removeClass("highlighted");return this.result_highlight=null},b.prototype.results_toggle=function(){return this.results_showing?this.results_hide():this.results_show()},b.prototype.results_show=function(){var a;this.is_multiple||(this.selected_item.addClass("chzn-single-with-drop"),this.result_single_selected&&this.result_do_highlight(this.result_single_selected)),a=this.is_multiple?this.container.height():this.container.height()-1,this.dropdown.css({top:a+"px",left:0}),this.results_showing=!0,this.search_field.focus(),this.search_field.val(this.search_field.val());return this.winnow_results()},b.prototype.results_hide=function(){this.is_multiple||this.selected_item.removeClass("chzn-single-with-drop"),this.result_clear_highlight(),this.dropdown.css({left:"-9000px"});return this.results_showing=!1},b.prototype.set_tab_index=function(a){var b;if(this.form_field_jq.attr("tabindex")){b=this.form_field_jq.attr("tabindex"),this.form_field_jq.attr("tabindex",-1);if(this.is_multiple)return this.search_field.attr("tabindex",b);this.selected_item.attr("tabindex",b);return this.search_field.attr("tabindex",-1)}},b.prototype.show_search_field_default=function(){if(this.is_multiple&&this.choices<1&&!this.active_field){this.search_field.val(this.default_text);return this.search_field.addClass("default")}this.search_field.val("");return this.search_field.removeClass("default")},b.prototype.search_results_mouseup=function(b){var c;c=a(b.target).hasClass("active-result")?a(b.target):a(b.target).parents(".active-result").first();if(c.length){this.result_highlight=c;return this.result_select(b)}},b.prototype.search_results_mouseover=function(b){var c;c=a(b.target).hasClass("active-result")?a(b.target):a(b.target).parents(".active-result").first();if(c)return this.result_do_highlight(c)},b.prototype.search_results_mouseout=function(b){if(a(b.target).hasClass("active-result"))return this.result_clear_highlight()},b.prototype.choices_click=function(b){b.preventDefault();if(this.active_field&&!a(b.target).hasClass("search-choice")&&!this.results_showing)return this.results_show()},b.prototype.choice_build=function(b){var c,d;c=this.container_id+"_c_"+b.array_index,this.choices+=1,this.search_container.before('<li class="search-choice" id="'+c+'"><span>'+b.html+'</span><a href="javascript:void(0)" class="search-choice-close" rel="'+b.array_index+'"></a></li>'),d=a("#"+c).find("a").first();return d.click(e(function(a){return this.choice_destroy_link_click(a)},this))},b.prototype.choice_destroy_link_click=function(b){b.preventDefault(),this.pending_destroy_click=!0;return this.choice_destroy(a(b.target))},b.prototype.choice_destroy=function(a){this.choices-=1,this.show_search_field_default(),this.is_multiple&&this.choices>0&&this.search_field.val().length<1&&this.results_hide(),this.result_deselect(a.attr("rel"));return a.parents("li").first().remove()},b.prototype.result_select=function(a){var b,c,d,e;if(this.result_highlight){b=this.result_highlight,c=b.attr("id"),this.result_clear_highlight(),b.addClass("result-selected"),this.is_multiple?this.result_deactivate(b):this.result_single_selected=b,e=c.substr(c.lastIndexOf("_")+1),d=this.results_data[e],d.selected=!0,this.form_field.options[d.options_index].selected=!0,this.is_multiple?this.choice_build(d):this.selected_item.find("span").first().text(d.text),(!a.metaKey||!this.is_multiple)&&this.results_hide(),this.search_field.val(""),this.form_field_jq.trigger("change");return this.search_field_scale()}},b.prototype.result_activate=function(a){return a.addClass("active-result").show()},b.prototype.result_deactivate=function(a){return a.removeClass("active-result").hide()},b.prototype.result_deselect=function(b){var c,d;d=this.results_data[b],d.selected=!1,this.form_field.options[d.options_index].selected=!1,c=a("#"+this.container_id+"_o_"+b),c.removeClass("result-selected").addClass("active-result").show(),this.result_clear_highlight(),this.winnow_results(),this.form_field_jq.trigger("change");return this.search_field_scale()},b.prototype.results_search=function(a){return this.results_showing?this.winnow_results():this.results_show()},b.prototype.winnow_results=function(){var b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r;j=new Date,this.no_results_clear(),h=0,i=this.search_field.val()===this.default_text?"":a("<div/>").text(a.trim(this.search_field.val())).html(),f=new RegExp("^"+i.replace(/[-[\]{}()*+?.,\\^$|#\s]/g,"\\$&"),"i"),m=new RegExp(i.replace(/[-[\]{}()*+?.,\\^$|#\s]/g,"\\$&"),"i"),r=this.results_data;for(n=0,p=r.length;n<p;n++){c=r[n];if(!c.disabled&&!c.empty)if(c.group)a("#"+c.dom_id).hide();else if(!this.is_multiple||!c.selected){b=!1,g=c.dom_id;if(f.test(c.html))b=!0,h+=1;else if(c.html.indexOf(" ")>=0||c.html.indexOf("[")===0){e=c.html.replace(/\[|\]/g,"").split(" ");if(e.length)for(o=0,q=e.length;o<q;o++)d=e[o],f.test(d)&&(b=!0,h+=1)}b?(i.length?(k=c.html.search(m),l=c.html.substr(0,k+i.length)+"</em>"+c.html.substr(k+i.length),l=l.substr(0,k)+"<em>"+l.substr(k)):l=c.html,a("#"+g).html!==l&&a("#"+g).html(l),this.result_activate(a("#"+g)),c.group_array_index!=null&&a("#"+this.results_data[c.group_array_index].dom_id).show()):(this.result_highlight&&g===this.result_highlight.attr("id")&&this.result_clear_highlight(),this.result_deactivate(a("#"+g)))}}return h<1&&i.length?this.no_results(i):this.winnow_results_set_highlight()},b.prototype.winnow_results_clear=function(){var b,c,d,e,f;this.search_field.val(""),c=this.search_results.find("li"),f=[];for(d=0,e=c.length;d<e;d++)b=c[d],b=a(b),f.push(b.hasClass("group-result")?b.show():!this.is_multiple||!b.hasClass("result-selected")?this.result_activate(b):void 0);return f},b.prototype.winnow_results_set_highlight=function(){var a,b;if(!this.result_highlight){b=this.is_multiple?[]:this.search_results.find(".result-selected"),a=b.length?b.first():this.search_results.find(".active-result").first();if(a!=null)return this.result_do_highlight(a)}},b.prototype.no_results=function(b){var c;c=a('<li class="no-results">No results match "<span></span>"</li>'),c.find("span").first().html(b);return this.search_results.append(c)},b.prototype.no_results_clear=function(){return this.search_results.find(".no-results").remove()},b.prototype.keydown_arrow=function(){var b,c;this.result_highlight?this.results_showing&&(c=this.result_highlight.nextAll("li.active-result").first(),c&&this.result_do_highlight(c)):(b=this.search_results.find("li.active-result").first(),b&&this.result_do_highlight(a(b)));if(!this.results_showing)return this.results_show()},b.prototype.keyup_arrow=function(){var a;if(!this.results_showing&&!this.is_multiple)return this.results_show();if(this.result_highlight){a=this.result_highlight.prevAll("li.active-result");if(a.length)return this.result_do_highlight(a.first());this.choices>0&&this.results_hide();return this.result_clear_highlight()}},b.prototype.keydown_backstroke=function(){if(this.pending_backstroke){this.choice_destroy(this.pending_backstroke.find("a").first());return this.clear_backstroke()}this.pending_backstroke=this.search_container.siblings("li.search-choice").last();return this.pending_backstroke.addClass("search-choice-focus")},b.prototype.clear_backstroke=function(){this.pending_backstroke&&this.pending_backstroke.removeClass("search-choice-focus");return this.pending_backstroke=null},b.prototype.keyup_checker=function(a){var b,c;b=(c=a.which)!=null?c:a.keyCode,this.search_field_scale();switch(b){case 8:if(this.is_multiple&&this.backstroke_length<1&&this.choices>0)return this.keydown_backstroke();if(!this.pending_backstroke){this.result_clear_highlight();return this.results_search()}break;case 13:a.preventDefault();if(this.results_showing)return this.result_select(a);break;case 27:if(this.results_showing)return this.results_hide();break;case 9:case 38:case 40:case 16:case 91:case 17:break;default:return this.results_search()}},b.prototype.keydown_checker=function(a){var b,c;b=(c=a.which)!=null?c:a.keyCode,this.search_field_scale(),b!==8&&this.pending_backstroke&&this.clear_backstroke();switch(b){case 8:this.backstroke_length=this.search_field.val().length;break;case 9:this.mouse_on_container=!1;break;case 13:a.preventDefault();break;case 38:a.preventDefault(),this.keyup_arrow();break;case 40:this.keydown_arrow()}},b.prototype.search_field_scale=function(){var b,c,d,e,f,g,h,i,j;if(this.is_multiple){d=0,h=0,f="position:absolute; left: -1000px; top: -1000px; display:none;",g=["font-size","font-style","font-weight","font-family","line-height","text-transform","letter-spacing"];for(i=0,j=g.length;i<j;i++)e=g[i],f+=e+":"+this.search_field.css(e)+";";c=a("<div />",{style:f}),c.text(this.search_field.val()),a("body").append(c),h=c.width()+25,c.remove(),h>this.f_width-10&&(h=this.f_width-10),this.search_field.css({width:h+"px"}),b=this.container.height();return this.dropdown.css({top:b+"px"})}},b.prototype.generate_field_id=function(){var a;a=this.generate_random_id(),this.form_field.id=a;return a},b.prototype.generate_random_id=function(){var b;b="sel"+this.generate_random_char()+this.generate_random_char()+this.generate_random_char();while(a("#"+b).length>0)b+=this.generate_random_char();return b},b.prototype.generate_random_char=function(){var a,b,c;a="0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZ",c=Math.floor(Math.random()*a.length);return b=a.substring(c,c+1)};return b}(),c=function(a){var b;return b=a.outerWidth()-a.width()},d.get_side_border_padding=c}).call(this),function(){var a;a=function(){function a(){this.options_index=0,this.parsed=[]}a.prototype.add_node=function(a){return a.nodeName==="OPTGROUP"?this.add_group(a):this.add_option(a)},a.prototype.add_group=function(a){var b,c,d,e,f,g;b=this.parsed.length,this.parsed.push({array_index:b,group:!0,label:a.label,children:0,disabled:a.disabled}),f=a.childNodes,g=[];for(d=0,e=f.length;d<e;d++)c=f[d],g.push(this.add_option(c,b,a.disabled));return g},a.prototype.add_option=function(a,b,c){if(a.nodeName==="OPTION"){a.text!==""?(b!=null&&(this.parsed[b].children+=1),this.parsed.push({array_index:this.parsed.length,options_index:this.options_index,value:a.value,text:a.text,html:a.innerHTML,selected:a.selected,disabled:c===!0?c:a.disabled,group_array_index:b})):this.parsed.push({array_index:this.parsed.length,options_index:this.options_index,empty:!0});return this.options_index+=1}};return a}(),a.select_to_array=function(b){var c,d,e,f,g;d=new a,g=b.childNodes;for(e=0,f=g.length;e<f;e++)c=g[e],d.add_node(c);return d.parsed},this.SelectParser=a}.call(this)
\ No newline at end of file
+(function(){var a;a=function(){function a(){this.options_index=0,this.parsed=[]}a.prototype.add_node=function(a){return a.nodeName==="OPTGROUP"?this.add_group(a):this.add_option(a)},a.prototype.add_group=function(a){var b,c,d,e,f,g;b=this.parsed.length,this.parsed.push({array_index:b,group:!0,label:a.label,children:0,disabled:a.disabled}),f=a.childNodes,g=[];for(d=0,e=f.length;d<e;d++)c=f[d],g.push(this.add_option(c,b,a.disabled));return g},a.prototype.add_option=function(a,b,c){if(a.nodeName==="OPTION"){a.text!==""?(b!=null&&(this.parsed[b].children+=1),this.parsed.push({array_index:this.parsed.length,options_index:this.options_index,value:a.value,text:a.text,html:a.innerHTML,selected:a.selected,disabled:c===!0?c:a.disabled,group_array_index:b})):this.parsed.push({array_index:this.parsed.length,options_index:this.options_index,empty:!0});return this.options_index+=1}};return a}(),a.select_to_array=function(b){var c,d,e,f,g;d=new a,g=b.childNodes;for(e=0,f=g.length;e<f;e++)c=g[e],d.add_node(c);return d.parsed},this.SelectParser=a}).call(this),function(){var a,b,c=function(a,b){return function(){return a.apply(b,arguments)}};b=this,a=function(){function a(a){this.set_default_values(),this.form_field=a,this.is_multiple=this.form_field.multiple,this.default_text_default=this.is_multiple?"Select Some Options":"Select an Option",this.setup(),this.set_up_html(),this.register_observers(),this.finish_setup()}a.prototype.set_default_values=function(){this.click_test_action=c(function(a){return this.test_active_click(a)},this),this.active_field=!1,this.mouse_on_container=!1,this.results_showing=!1,this.result_highlighted=null,this.result_single_selected=null;return this.choices=0},a.prototype.mouse_enter=function(){return this.mouse_on_container=!0},a.prototype.mouse_leave=function(){return this.mouse_on_container=!1},a.prototype.input_focus=function(a){if(!this.active_field)return setTimeout(c(function(){return this.container_mousedown()},this),50)},a.prototype.input_blur=function(a){if(!this.mouse_on_container){this.active_field=!1;return setTimeout(c(function(){return this.blur_test()},this),100)}},a.prototype.result_add_option=function(a){var b;if(!a.disabled){a.dom_id=this.container_id+"_o_"+a.array_index,b=a.selected&&this.is_multiple?[]:["active-result"],a.selected&&b.push("result-selected"),a.group_array_index!=null&&b.push("group-option");return'<li id="'+a.dom_id+'" class="'+b.join(" ")+'">'+a.html+"</li>"}return""},a.prototype.results_update_field=function(){this.result_clear_highlight(),this.result_single_selected=null;return this.results_build()},a.prototype.results_toggle=function(){return this.results_showing?this.results_hide():this.results_show()},a.prototype.results_search=function(a){return this.results_showing?this.winnow_results():this.results_show()},a.prototype.keyup_checker=function(a){var b,c;b=(c=a.which)!=null?c:a.keyCode,this.search_field_scale();switch(b){case 8:if(this.is_multiple&&this.backstroke_length<1&&this.choices>0)return this.keydown_backstroke();if(!this.pending_backstroke){this.result_clear_highlight();return this.results_search()}break;case 13:a.preventDefault();if(this.results_showing)return this.result_select(a);break;case 27:if(this.results_showing)return this.results_hide();break;case 9:case 38:case 40:case 16:case 91:case 17:break;default:return this.results_search()}},a.prototype.generate_field_id=function(){var a;a=this.generate_random_id(),this.form_field.id=a;return a},a.prototype.generate_random_char=function(){var a,b,c;a="0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZ",c=Math.floor(Math.random()*a.length);return b=a.substring(c,c+1)};return a}(),b.AbstractChosen=a}.call(this),function(){var a,b,c,d,e=Object.prototype.hasOwnProperty,f=function(a,b){function d(){this.constructor=a}for(var c in b)e.call(b,c)&&(a[c]=b[c]);d.prototype=b.prototype,a.prototype=new d,a.__super__=b.prototype;return a},g=function(a,b){return function(){return a.apply(b,arguments)}};d=this,a=jQuery,a.fn.extend({chosen:function(c,d){return a.browser!=="msie"||a.browser.version!=="6.0"&&a.browser.version!=="7.0"?a(this).each(function(e){if(!a(this).hasClass("chzn-done"))return new b(this,c,d)}):this}}),b=function(){function b(){b.__super__.constructor.apply(this,arguments)}f(b,AbstractChosen),b.prototype.setup=function(){this.form_field_jq=a(this.form_field);return this.is_rtl=this.form_field_jq.hasClass("chzn-rtl")},b.prototype.finish_setup=function(){return this.form_field_jq.addClass("chzn-done")},b.prototype.set_up_html=function(){var b,d,e,f;this.container_id=this.form_field.id.length?this.form_field.id.replace(/(:|\.)/g,"_"):this.generate_field_id(),this.container_id+="_chzn",this.f_width=this.form_field_jq.width(),this.default_text=this.form_field_jq.data("placeholder")?this.form_field_jq.data("placeholder"):this.default_text_default,b=a("<div />",{id:this.container_id,"class":"chzn-container "+(this.is_rtl?"chzn-rtl":""),style:"width: "+this.f_width+"px;"}),this.is_multiple?b.html('<ul class="chzn-choices"><li class="search-field"><input type="text" value="'+this.default_text+'" class="default" autocomplete="off" style="width:25px;" /></li></ul><div class="chzn-drop" style="left:-9000px;"><ul class="chzn-results"></ul></div>'):b.html('<a href="javascript:void(0)" class="chzn-single"><span>'+this.default_text+'</span><div><b></b></div></a><div class="chzn-drop" style="left:-9000px;"><div class="chzn-search"><input type="text" autocomplete="off" /></div><ul class="chzn-results"></ul></div>'),this.form_field_jq.hide().after(b),this.container=a("#"+this.container_id),this.container.addClass("chzn-container-"+(this.is_multiple?"multi":"single")),this.dropdown=this.container.find("div.chzn-drop").first(),d=this.container.height(),e=this.f_width-c(this.dropdown),this.dropdown.css({width:e+"px",top:d+"px"}),this.search_field=this.container.find("input").first(),this.search_results=this.container.find("ul.chzn-results").first(),this.search_field_scale(),this.search_no_results=this.container.find("li.no-results").first(),this.is_multiple?(this.search_choices=this.container.find("ul.chzn-choices").first(),this.search_container=this.container.find("li.search-field").first()):(this.search_container=this.container.find("div.chzn-search").first(),this.selected_item=this.container.find(".chzn-single").first(),f=e-c(this.search_container)-c(this.search_field),this.search_field.css({width:f+"px"})),this.results_build();return this.set_tab_index()},b.prototype.register_observers=function(){this.container.mousedown(g(function(a){return this.container_mousedown(a)},this)),this.container.mouseenter(g(function(a){return this.mouse_enter(a)},this)),this.container.mouseleave(g(function(a){return this.mouse_leave(a)},this)),this.search_results.mouseup(g(function(a){return this.search_results_mouseup(a)},this)),this.search_results.mouseover(g(function(a){return this.search_results_mouseover(a)},this)),this.search_results.mouseout(g(function(a){return this.search_results_mouseout(a)},this)),this.form_field_jq.bind("liszt:updated",g(function(a){return this.results_update_field(a)},this)),this.search_field.blur(g(function(a){return this.input_blur(a)},this)),this.search_field.keyup(g(function(a){return this.keyup_checker(a)},this)),this.search_field.keydown(g(function(a){return this.keydown_checker(a)},this));if(this.is_multiple){this.search_choices.click(g(function(a){return this.choices_click(a)},this));return this.search_field.focus(g(function(a){return this.input_focus(a)},this))}return this.selected_item.focus(g(function(a){return this.activate_field(a)},this))},b.prototype.container_mousedown=function(b){b&&b.type==="mousedown"&&b.stopPropagation();if(!this.pending_destroy_click){this.active_field?!this.is_multiple&&b&&(a(b.target)===this.selected_item||a(b.target).parents("a.chzn-single").length)&&(b.preventDefault(),this.results_toggle()):(this.is_multiple&&this.search_field.val(""),a(document).click(this.click_test_action),this.results_show());return this.activate_field()}return this.pending_destroy_click=!1},b.prototype.blur_test=function(a){if(!this.active_field&&this.container.hasClass("chzn-container-active"))return this.close_field()},b.prototype.close_field=function(){a(document).unbind("click",this.click_test_action),this.is_multiple||(this.selected_item.attr("tabindex",this.search_field.attr("tabindex")),this.search_field.attr("tabindex",-1)),this.active_field=!1,this.results_hide(),this.container.removeClass("chzn-container-active"),this.winnow_results_clear(),this.clear_backstroke(),this.show_search_field_default();return this.search_field_scale()},b.prototype.activate_field=function(){!this.is_multiple&&!this.active_field&&(this.search_field.attr("tabindex",this.selected_item.attr("tabindex")),this.selected_item.attr("tabindex",-1)),this.container.addClass("chzn-container-active"),this.active_field=!0,this.search_field.val(this.search_field.val());return this.search_field.focus()},b.prototype.test_active_click=function(b){return a(b.target).parents("#"+this.container_id).length?this.active_field=!0:this.close_field()},b.prototype.results_build=function(){var a,b,c,e,f,g;c=new Date,this.parsing=!0,this.results_data=d.SelectParser.select_to_array(this.form_field),this.is_multiple&&this.choices>0?(this.search_choices.find("li.search-choice").remove(),this.choices=0):this.is_multiple||this.selected_item.find("span").text(this.default_text),a="",g=this.results_data;for(e=0,f=g.length;e<f;e++)b=g[e],b.group?a+=this.result_add_group(b):b.empty||(a+=this.result_add_option(b),b.selected&&this.is_multiple?this.choice_build(b):b.selected&&!this.is_multiple&&this.selected_item.find("span").text(b.text));this.show_search_field_default(),this.search_field_scale(),this.search_results.html(a);return this.parsing=!1},b.prototype.result_add_group=function(b){if(!b.disabled){b.dom_id=this.container_id+"_g_"+b.array_index;return'<li id="'+b.dom_id+'" class="group-result">'+a("<div />").text(b.label).html()+"</li>"}return""},b.prototype.result_do_highlight=function(a){var b,c,d,e,f;if(a.length){this.result_clear_highlight(),this.result_highlight=a,this.result_highlight.addClass("highlighted"),d=parseInt(this.search_results.css("maxHeight"),10),f=this.search_results.scrollTop(),e=d+f,c=this.result_highlight.position().top+this.search_results.scrollTop(),b=c+this.result_highlight.outerHeight();if(b>=e)return this.search_results.scrollTop(b-d>0?b-d:0);if(c<f)return this.search_results.scrollTop(c)}},b.prototype.result_clear_highlight=function(){this.result_highlight&&this.result_highlight.removeClass("highlighted");return this.result_highlight=null},b.prototype.results_show=function(){var a;this.is_multiple||(this.selected_item.addClass("chzn-single-with-drop"),this.result_single_selected&&this.result_do_highlight(this.result_single_selected)),a=this.is_multiple?this.container.height():this.container.height()-1,this.dropdown.css({top:a+"px",left:0}),this.results_showing=!0,this.search_field.focus(),this.search_field.val(this.search_field.val());return this.winnow_results()},b.prototype.results_hide=function(){this.is_multiple||this.selected_item.removeClass("chzn-single-with-drop"),this.result_clear_highlight(),this.dropdown.css({left:"-9000px"});return this.results_showing=!1},b.prototype.set_tab_index=function(a){var b;if(this.form_field_jq.attr("tabindex")){b=this.form_field_jq.attr("tabindex"),this.form_field_jq.attr("tabindex",-1);if(this.is_multiple)return this.search_field.attr("tabindex",b);this.selected_item.attr("tabindex",b);return this.search_field.attr("tabindex",-1)}},b.prototype.show_search_field_default=function(){if(this.is_multiple&&this.choices<1&&!this.active_field){this.search_field.val(this.default_text);return this.search_field.addClass("default")}this.search_field.val("");return this.search_field.removeClass("default")},b.prototype.search_results_mouseup=function(b){var c;c=a(b.target).hasClass("active-result")?a(b.target):a(b.target).parents(".active-result").first();if(c.length){this.result_highlight=c;return this.result_select(b)}},b.prototype.search_results_mouseover=function(b){var c;c=a(b.target).hasClass("active-result")?a(b.target):a(b.target).parents(".active-result").first();if(c)return this.result_do_highlight(c)},b.prototype.search_results_mouseout=function(b){if(a(b.target).hasClass("active-result"))return this.result_clear_highlight()},b.prototype.choices_click=function(b){b.preventDefault();if(this.active_field&&!a(b.target).hasClass("search-choice")&&!this.results_showing)return this.results_show()},b.prototype.choice_build=function(b){var c,d;c=this.container_id+"_c_"+b.array_index,this.choices+=1,this.search_container.before('<li class="search-choice" id="'+c+'"><span>'+b.html+'</span><a href="javascript:void(0)" class="search-choice-close" rel="'+b.array_index+'"></a></li>'),d=a("#"+c).find("a").first();return d.click(g(function(a){return this.choice_destroy_link_click(a)},this))},b.prototype.choice_destroy_link_click=function(b){b.preventDefault(),this.pending_destroy_click=!0;return this.choice_destroy(a(b.target))},b.prototype.choice_destroy=function(a){this.choices-=1,this.show_search_field_default(),this.is_multiple&&this.choices>0&&this.search_field.val().length<1&&this.results_hide(),this.result_deselect(a.attr("rel"));return a.parents("li").first().remove()},b.prototype.result_select=function(a){var b,c,d,e;if(this.result_highlight){b=this.result_highlight,c=b.attr("id"),this.result_clear_highlight(),b.addClass("result-selected"),this.is_multiple?this.result_deactivate(b):this.result_single_selected=b,e=c.substr(c.lastIndexOf("_")+1),d=this.results_data[e],d.selected=!0,this.form_field.options[d.options_index].selected=!0,this.is_multiple?this.choice_build(d):this.selected_item.find("span").first().text(d.text),(!a.metaKey||!this.is_multiple)&&this.results_hide(),this.search_field.val(""),this.form_field_jq.trigger("change");return this.search_field_scale()}},b.prototype.result_activate=function(a){return a.addClass("active-result").show()},b.prototype.result_deactivate=function(a){return a.removeClass("active-result").hide()},b.prototype.result_deselect=function(b){var c,d;d=this.results_data[b],d.selected=!1,this.form_field.options[d.options_index].selected=!1,c=a("#"+this.container_id+"_o_"+b),c.removeClass("result-selected").addClass("active-result").show(),this.result_clear_highlight(),this.winnow_results(),this.form_field_jq.trigger("change");return this.search_field_scale()},b.prototype.winnow_results=function(){var b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r;j=new Date,this.no_results_clear(),h=0,i=this.search_field.val()===this.default_text?"":a("<div/>").text(a.trim(this.search_field.val())).html(),f=new RegExp("^"+i.replace(/[-[\]{}()*+?.,\\^$|#\s]/g,"\\$&"),"i"),m=new RegExp(i.replace(/[-[\]{}()*+?.,\\^$|#\s]/g,"\\$&"),"i"),r=this.results_data;for(n=0,p=r.length;n<p;n++){c=r[n];if(!c.disabled&&!c.empty)if(c.group)a("#"+c.dom_id).hide();else if(!this.is_multiple||!c.selected){b=!1,g=c.dom_id;if(f.test(c.html))b=!0,h+=1;else if(c.html.indexOf(" ")>=0||c.html.indexOf("[")===0){e=c.html.replace(/\[|\]/g,"").split(" ");if(e.length)for(o=0,q=e.length;o<q;o++)d=e[o],f.test(d)&&(b=!0,h+=1)}b?(i.length?(k=c.html.search(m),l=c.html.substr(0,k+i.length)+"</em>"+c.html.substr(k+i.length),l=l.substr(0,k)+"<em>"+l.substr(k)):l=c.html,a("#"+g).html!==l&&a("#"+g).html(l),this.result_activate(a("#"+g)),c.group_array_index!=null&&a("#"+this.results_data[c.group_array_index].dom_id).show()):(this.result_highlight&&g===this.result_highlight.attr("id")&&this.result_clear_highlight(),this.result_deactivate(a("#"+g)))}}return h<1&&i.length?this.no_results(i):this.winnow_results_set_highlight()},b.prototype.winnow_results_clear=function(){var b,c,d,e,f;this.search_field.val(""),c=this.search_results.find("li"),f=[];for(d=0,e=c.length;d<e;d++)b=c[d],b=a(b),f.push(b.hasClass("group-result")?b.show():!this.is_multiple||!b.hasClass("result-selected")?this.result_activate(b):void 0);return f},b.prototype.winnow_results_set_highlight=function(){var a,b;if(!this.result_highlight){b=this.is_multiple?[]:this.search_results.find(".result-selected"),a=b.length?b.first():this.search_results.find(".active-result").first();if(a!=null)return this.result_do_highlight(a)}},b.prototype.no_results=function(b){var c;c=a('<li class="no-results">No results match "<span></span>"</li>'),c.find("span").first().html(b);return this.search_results.append(c)},b.prototype.no_results_clear=function(){return this.search_results.find(".no-results").remove()},b.prototype.keydown_arrow=function(){var b,c;this.result_highlight?this.results_showing&&(c=this.result_highlight.nextAll("li.active-result").first(),c&&this.result_do_highlight(c)):(b=this.search_results.find("li.active-result").first(),b&&this.result_do_highlight(a(b)));if(!this.results_showing)return this.results_show()},b.prototype.keyup_arrow=function(){var a;if(!this.results_showing&&!this.is_multiple)return this.results_show();if(this.result_highlight){a=this.result_highlight.prevAll("li.active-result");if(a.length)return this.result_do_highlight(a.first());this.choices>0&&this.results_hide();return this.result_clear_highlight()}},b.prototype.keydown_backstroke=function(){if(this.pending_backstroke){this.choice_destroy(this.pending_backstroke.find("a").first());return this.clear_backstroke()}this.pending_backstroke=this.search_container.siblings("li.search-choice").last();return this.pending_backstroke.addClass("search-choice-focus")},b.prototype.clear_backstroke=function(){this.pending_backstroke&&this.pending_backstroke.removeClass("search-choice-focus");return this.pending_backstroke=null},b.prototype.keydown_checker=function(a){var b,c;b=(c=a.which)!=null?c:a.keyCode,this.search_field_scale(),b!==8&&this.pending_backstroke&&this.clear_backstroke();switch(b){case 8:this.backstroke_length=this.search_field.val().length;break;case 9:this.mouse_on_container=!1;break;case 13:a.preventDefault();break;case 38:a.preventDefault(),this.keyup_arrow();break;case 40:this.keydown_arrow()}},b.prototype.search_field_scale=function(){var b,c,d,e,f,g,h,i,j;if(this.is_multiple){d=0,h=0,f="position:absolute; left: -1000px; top: -1000px; display:none;",g=["font-size","font-style","font-weight","font-family","line-height","text-transform","letter-spacing"];for(i=0,j=g.length;i<j;i++)e=g[i],f+=e+":"+this.search_field.css(e)+";";c=a("<div />",{style:f}),c.text(this.search_field.val()),a("body").append(c),h=c.width()+25,c.remove(),h>this.f_width-10&&(h=this.f_width-10),this.search_field.css({width:h+"px"}),b=this.container.height();return this.dropdown.css({top:b+"px"})}},b.prototype.generate_random_id=function(){var b;b="sel"+this.generate_random_char()+this.generate_random_char()+this.generate_random_char();while(a("#"+b).length>0)b+=this.generate_random_char();return b};return b}(),c=function(a){var b;return b=a.outerWidth()-a.width()},d.get_side_border_padding=c}.call(this)
\ No newline at end of file
diff --git a/chosen/chosen.proto.js b/chosen/chosen.proto.js
index 39c206e..bee8a35 100644
--- a/chosen/chosen.proto.js
+++ b/chosen/chosen.proto.js
@@ -7,25 +7,97 @@
 
 // MIT License, https://github.com/harvesthq/chosen/blob/master/LICENSE.md
 // This file is generated by `cake build`, do not edit it by hand.
+(function() {
+  var SelectParser;
+  SelectParser = (function() {
+    function SelectParser() {
+      this.options_index = 0;
+      this.parsed = [];
+    }
+    SelectParser.prototype.add_node = function(child) {
+      if (child.nodeName === "OPTGROUP") {
+        return this.add_group(child);
+      } else {
+        return this.add_option(child);
+      }
+    };
+    SelectParser.prototype.add_group = function(group) {
+      var group_position, option, _i, _len, _ref, _results;
+      group_position = this.parsed.length;
+      this.parsed.push({
+        array_index: group_position,
+        group: true,
+        label: group.label,
+        children: 0,
+        disabled: group.disabled
+      });
+      _ref = group.childNodes;
+      _results = [];
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        option = _ref[_i];
+        _results.push(this.add_option(option, group_position, group.disabled));
+      }
+      return _results;
+    };
+    SelectParser.prototype.add_option = function(option, group_position, group_disabled) {
+      if (option.nodeName === "OPTION") {
+        if (option.text !== "") {
+          if (group_position != null) {
+            this.parsed[group_position].children += 1;
+          }
+          this.parsed.push({
+            array_index: this.parsed.length,
+            options_index: this.options_index,
+            value: option.value,
+            text: option.text,
+            html: option.innerHTML,
+            selected: option.selected,
+            disabled: group_disabled === true ? group_disabled : option.disabled,
+            group_array_index: group_position
+          });
+        } else {
+          this.parsed.push({
+            array_index: this.parsed.length,
+            options_index: this.options_index,
+            empty: true
+          });
+        }
+        return this.options_index += 1;
+      }
+    };
+    return SelectParser;
+  })();
+  SelectParser.select_to_array = function(select) {
+    var child, parser, _i, _len, _ref;
+    parser = new SelectParser();
+    _ref = select.childNodes;
+    for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+      child = _ref[_i];
+      parser.add_node(child);
+    }
+    return parser.parsed;
+  };
+  this.SelectParser = SelectParser;
+}).call(this);
 (function() {
   /*
   Chosen source: generate output using 'cake build'
   Copyright (c) 2011 by Harvest
-  */  var Chosen, get_side_border_padding, root;
+  */  var AbstractChosen, root;
   var __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
   root = this;
-  Chosen = (function() {
-    function Chosen(elmn) {
+  AbstractChosen = (function() {
+    function AbstractChosen(elmn) {
       this.set_default_values();
       this.form_field = elmn;
       this.is_multiple = this.form_field.multiple;
-      this.is_rtl = this.form_field.hasClassName("chzn-rtl");
-      this.default_text_default = this.form_field.multiple ? "Select Some Options" : "Select an Option";
+      this.default_text_default = this.is_multiple ? "Select Some Options" : "Select an Option";
+      this.setup();
       this.set_up_html();
       this.register_observers();
-      this.form_field.addClassName("chzn-done");
+      this.finish_setup();
     }
-    Chosen.prototype.set_default_values = function() {
+    AbstractChosen.prototype.set_default_values = function() {
       this.click_test_action = __bind(function(evt) {
         return this.test_active_click(evt);
       }, this);
@@ -34,7 +106,142 @@
       this.results_showing = false;
       this.result_highlighted = null;
       this.result_single_selected = null;
-      this.choices = 0;
+      return this.choices = 0;
+    };
+    AbstractChosen.prototype.mouse_enter = function() {
+      return this.mouse_on_container = true;
+    };
+    AbstractChosen.prototype.mouse_leave = function() {
+      return this.mouse_on_container = false;
+    };
+    AbstractChosen.prototype.input_focus = function(evt) {
+      if (!this.active_field) {
+        return setTimeout((__bind(function() {
+          return this.container_mousedown();
+        }, this)), 50);
+      }
+    };
+    AbstractChosen.prototype.input_blur = function(evt) {
+      if (!this.mouse_on_container) {
+        this.active_field = false;
+        return setTimeout((__bind(function() {
+          return this.blur_test();
+        }, this)), 100);
+      }
+    };
+    AbstractChosen.prototype.result_add_option = function(option) {
+      var classes;
+      if (!option.disabled) {
+        option.dom_id = this.container_id + "_o_" + option.array_index;
+        classes = option.selected && this.is_multiple ? [] : ["active-result"];
+        if (option.selected) {
+          classes.push("result-selected");
+        }
+        if (option.group_array_index != null) {
+          classes.push("group-option");
+        }
+        return '<li id="' + option.dom_id + '" class="' + classes.join(' ') + '">' + option.html + '</li>';
+      } else {
+        return "";
+      }
+    };
+    AbstractChosen.prototype.results_update_field = function() {
+      this.result_clear_highlight();
+      this.result_single_selected = null;
+      return this.results_build();
+    };
+    AbstractChosen.prototype.results_toggle = function() {
+      if (this.results_showing) {
+        return this.results_hide();
+      } else {
+        return this.results_show();
+      }
+    };
+    AbstractChosen.prototype.results_search = function(evt) {
+      if (this.results_showing) {
+        return this.winnow_results();
+      } else {
+        return this.results_show();
+      }
+    };
+    AbstractChosen.prototype.keyup_checker = function(evt) {
+      var stroke, _ref;
+      stroke = (_ref = evt.which) != null ? _ref : evt.keyCode;
+      this.search_field_scale();
+      switch (stroke) {
+        case 8:
+          if (this.is_multiple && this.backstroke_length < 1 && this.choices > 0) {
+            return this.keydown_backstroke();
+          } else if (!this.pending_backstroke) {
+            this.result_clear_highlight();
+            return this.results_search();
+          }
+          break;
+        case 13:
+          evt.preventDefault();
+          if (this.results_showing) {
+            return this.result_select(evt);
+          }
+          break;
+        case 27:
+          if (this.results_showing) {
+            return this.results_hide();
+          }
+          break;
+        case 9:
+        case 38:
+        case 40:
+        case 16:
+        case 91:
+        case 17:
+          break;
+        default:
+          return this.results_search();
+      }
+    };
+    AbstractChosen.prototype.generate_field_id = function() {
+      var new_id;
+      new_id = this.generate_random_id();
+      this.form_field.id = new_id;
+      return new_id;
+    };
+    AbstractChosen.prototype.generate_random_char = function() {
+      var chars, newchar, rand;
+      chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZ";
+      rand = Math.floor(Math.random() * chars.length);
+      return newchar = chars.substring(rand, rand + 1);
+    };
+    return AbstractChosen;
+  })();
+  root.AbstractChosen = AbstractChosen;
+}).call(this);
+(function() {
+  /*
+  Chosen source: generate output using 'cake build'
+  Copyright (c) 2011 by Harvest
+  */  var Chosen, get_side_border_padding, root;
+  var __hasProp = Object.prototype.hasOwnProperty, __extends = function(child, parent) {
+    for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; }
+    function ctor() { this.constructor = child; }
+    ctor.prototype = parent.prototype;
+    child.prototype = new ctor;
+    child.__super__ = parent.prototype;
+    return child;
+  }, __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
+  root = this;
+  Chosen = (function() {
+    __extends(Chosen, AbstractChosen);
+    function Chosen() {
+      Chosen.__super__.constructor.apply(this, arguments);
+    }
+    Chosen.prototype.setup = function() {
+      return this.is_rtl = this.form_field.hasClassName("chzn-rtl");
+    };
+    Chosen.prototype.finish_setup = function() {
+      return this.form_field.addClassName("chzn-done");
+    };
+    Chosen.prototype.set_default_values = function() {
+      Chosen.__super__.set_default_values.call(this);
       this.single_temp = new Template('<a href="javascript:void(0)" class="chzn-single"><span>#{default}</span><div><b></b></div></a><div class="chzn-drop" style="left:-9000px;"><div class="chzn-search"><input type="text" autocomplete="off" /></div><ul class="chzn-results"></ul></div>');
       this.multi_temp = new Template('<ul class="chzn-choices"><li class="search-field"><input type="text" value="#{default}" class="default" autocomplete="off" style="width:25px;" /></li></ul><div class="chzn-drop" style="left:-9000px;"><ul class="chzn-results"></ul></div>');
       this.choice_temp = new Template('<li class="search-choice" id="#{id}"><span>#{choice}</span><a href="javascript:void(0)" class="search-choice-close" rel="#{position}"></a></li>');
@@ -148,23 +355,6 @@
         return this.pending_destroy_click = false;
       }
     };
-    Chosen.prototype.mouse_enter = function() {
-      return this.mouse_on_container = true;
-    };
-    Chosen.prototype.mouse_leave = function() {
-      return this.mouse_on_container = false;
-    };
-    Chosen.prototype.input_focus = function(evt) {
-      if (!this.active_field) {
-        return setTimeout(this.container_mousedown.bind(this), 50);
-      }
-    };
-    Chosen.prototype.input_blur = function(evt) {
-      if (!this.mouse_on_container) {
-        this.active_field = false;
-        return setTimeout(this.blur_test.bind(this), 100);
-      }
-    };
     Chosen.prototype.blur_test = function(evt) {
       if (!this.active_field && this.container.hasClassName("chzn-container-active")) {
         return this.close_field();
@@ -240,27 +430,6 @@
         return "";
       }
     };
-    Chosen.prototype.result_add_option = function(option) {
-      var classes;
-      if (!option.disabled) {
-        option.dom_id = this.container_id + "_o_" + option.array_index;
-        classes = option.selected && this.is_multiple ? [] : ["active-result"];
-        if (option.selected) {
-          classes.push("result-selected");
-        }
-        if (option.group_array_index != null) {
-          classes.push("group-option");
-        }
-        return '<li id="' + option.dom_id + '" class="' + classes.join(' ') + '">' + option.html + '</li>';
-      } else {
-        return "";
-      }
-    };
-    Chosen.prototype.results_update_field = function() {
-      this.result_clear_highlight();
-      this.result_single_selected = null;
-      return this.results_build();
-    };
     Chosen.prototype.result_do_highlight = function(el) {
       var high_bottom, high_top, maxHeight, visible_bottom, visible_top;
       this.result_clear_highlight();
@@ -283,13 +452,6 @@
       }
       return this.result_highlight = null;
     };
-    Chosen.prototype.results_toggle = function() {
-      if (this.results_showing) {
-        return this.results_hide();
-      } else {
-        return this.results_show();
-      }
-    };
     Chosen.prototype.results_show = function() {
       var dd_top;
       if (!this.is_multiple) {
@@ -446,13 +608,6 @@
       }
       return this.search_field_scale();
     };
-    Chosen.prototype.results_search = function(evt) {
-      if (this.results_showing) {
-        return this.winnow_results();
-      } else {
-        return this.results_show();
-      }
-    };
     Chosen.prototype.winnow_results = function() {
       var found, option, part, parts, regex, result_id, results, searchText, startTime, startpos, text, zregex, _i, _j, _len, _len2, _ref;
       startTime = new Date();
@@ -605,41 +760,6 @@
       }
       return this.pending_backstroke = null;
     };
-    Chosen.prototype.keyup_checker = function(evt) {
-      var stroke, _ref;
-      stroke = (_ref = evt.which) != null ? _ref : evt.keyCode;
-      this.search_field_scale();
-      switch (stroke) {
-        case 8:
-          if (this.is_multiple && this.backstroke_length < 1 && this.choices > 0) {
-            return this.keydown_backstroke();
-          } else if (!this.pending_backstroke) {
-            this.result_clear_highlight();
-            return this.results_search();
-          }
-          break;
-        case 13:
-          evt.preventDefault();
-          if (this.results_showing) {
-            return this.result_select(evt);
-          }
-          break;
-        case 27:
-          if (this.results_showing) {
-            return this.results_hide();
-          }
-          break;
-        case 9:
-        case 38:
-        case 40:
-        case 16:
-        case 91:
-        case 17:
-          break;
-        default:
-          return this.results_search();
-      }
-    };
     Chosen.prototype.keydown_checker = function(evt) {
       var stroke, _ref;
       stroke = (_ref = evt.which) != null ? _ref : evt.keyCode;
@@ -718,75 +838,3 @@
   };
   root.get_side_border_padding = get_side_border_padding;
 }).call(this);
-(function() {
-  var SelectParser;
-  SelectParser = (function() {
-    function SelectParser() {
-      this.options_index = 0;
-      this.parsed = [];
-    }
-    SelectParser.prototype.add_node = function(child) {
-      if (child.nodeName === "OPTGROUP") {
-        return this.add_group(child);
-      } else {
-        return this.add_option(child);
-      }
-    };
-    SelectParser.prototype.add_group = function(group) {
-      var group_position, option, _i, _len, _ref, _results;
-      group_position = this.parsed.length;
-      this.parsed.push({
-        array_index: group_position,
-        group: true,
-        label: group.label,
-        children: 0,
-        disabled: group.disabled
-      });
-      _ref = group.childNodes;
-      _results = [];
-      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-        option = _ref[_i];
-        _results.push(this.add_option(option, group_position, group.disabled));
-      }
-      return _results;
-    };
-    SelectParser.prototype.add_option = function(option, group_position, group_disabled) {
-      if (option.nodeName === "OPTION") {
-        if (option.text !== "") {
-          if (group_position != null) {
-            this.parsed[group_position].children += 1;
-          }
-          this.parsed.push({
-            array_index: this.parsed.length,
-            options_index: this.options_index,
-            value: option.value,
-            text: option.text,
-            html: option.innerHTML,
-            selected: option.selected,
-            disabled: group_disabled === true ? group_disabled : option.disabled,
-            group_array_index: group_position
-          });
-        } else {
-          this.parsed.push({
-            array_index: this.parsed.length,
-            options_index: this.options_index,
-            empty: true
-          });
-        }
-        return this.options_index += 1;
-      }
-    };
-    return SelectParser;
-  })();
-  SelectParser.select_to_array = function(select) {
-    var child, parser, _i, _len, _ref;
-    parser = new SelectParser();
-    _ref = select.childNodes;
-    for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-      child = _ref[_i];
-      parser.add_node(child);
-    }
-    return parser.parsed;
-  };
-  this.SelectParser = SelectParser;
-}).call(this);
diff --git a/chosen/chosen.proto.min.js b/chosen/chosen.proto.min.js
index b0fe324..dac0fa4 100644
--- a/chosen/chosen.proto.min.js
+++ b/chosen/chosen.proto.min.js
@@ -7,4 +7,4 @@
 
 // MIT License, https://github.com/harvesthq/chosen/blob/master/LICENSE.md
 // This file is generated by `cake build`, do not edit it by hand.
-(function(){var a,b,c,d=function(a,b){return function(){return a.apply(b,arguments)}};c=this,a=function(){function a(a){this.set_default_values(),this.form_field=a,this.is_multiple=this.form_field.multiple,this.is_rtl=this.form_field.hasClassName("chzn-rtl"),this.default_text_default=this.form_field.multiple?"Select Some Options":"Select an Option",this.set_up_html(),this.register_observers(),this.form_field.addClassName("chzn-done")}a.prototype.set_default_values=function(){this.click_test_action=d(function(a){return this.test_active_click(a)},this),this.active_field=!1,this.mouse_on_container=!1,this.results_showing=!1,this.result_highlighted=null,this.result_single_selected=null,this.choices=0,this.single_temp=new Template('<a href="javascript:void(0)" class="chzn-single"><span>#{default}</span><div><b></b></div></a><div class="chzn-drop" style="left:-9000px;"><div class="chzn-search"><input type="text" autocomplete="off" /></div><ul class="chzn-results"></ul></div>'),this.multi_temp=new Template('<ul class="chzn-choices"><li class="search-field"><input type="text" value="#{default}" class="default" autocomplete="off" style="width:25px;" /></li></ul><div class="chzn-drop" style="left:-9000px;"><ul class="chzn-results"></ul></div>'),this.choice_temp=new Template('<li class="search-choice" id="#{id}"><span>#{choice}</span><a href="javascript:void(0)" class="search-choice-close" rel="#{position}"></a></li>');return this.no_results_temp=new Template('<li class="no-results">No results match "<span>#{terms}</span>"</li>')},a.prototype.set_up_html=function(){var a,c,d,e,f;this.container_id=this.form_field.identify().replace(/(:|\.)/g,"_")+"_chzn",this.f_width=this.form_field.getStyle("width")?parseInt(this.form_field.getStyle("width"),10):this.form_field.getWidth(),c={id:this.container_id,"class":"chzn-container "+(this.is_rtl?"chzn-rtl":""),style:"width: "+this.f_width+"px"},this.default_text=this.form_field.readAttribute("data-placeholder")?this.form_field.readAttribute("data-placeholder"):this.default_text_default,a=this.is_multiple?(new Element("div",c)).update(this.multi_temp.evaluate({"default":this.default_text})):(new Element("div",c)).update(this.single_temp.evaluate({"default":this.default_text})),this.form_field.hide().insert({after:a}),this.container=$(this.container_id),this.container.addClassName("chzn-container-"+(this.is_multiple?"multi":"single")),this.dropdown=this.container.down("div.chzn-drop"),d=this.container.getHeight(),e=this.f_width-b(this.dropdown),this.dropdown.setStyle({width:e+"px",top:d+"px"}),this.search_field=this.container.down("input"),this.search_results=this.container.down("ul.chzn-results"),this.search_field_scale(),this.search_no_results=this.container.down("li.no-results"),this.is_multiple?(this.search_choices=this.container.down("ul.chzn-choices"),this.search_container=this.container.down("li.search-field")):(this.search_container=this.container.down("div.chzn-search"),this.selected_item=this.container.down(".chzn-single"),f=e-b(this.search_container)-b(this.search_field),this.search_field.setStyle({width:f+"px"})),this.results_build();return this.set_tab_index()},a.prototype.register_observers=function(){this.container.observe("mousedown",d(function(a){return this.container_mousedown(a)},this)),this.container.observe("mouseenter",d(function(a){return this.mouse_enter(a)},this)),this.container.observe("mouseleave",d(function(a){return this.mouse_leave(a)},this)),this.search_results.observe("mouseup",d(function(a){return this.search_results_mouseup(a)},this)),this.search_results.observe("mouseover",d(function(a){return this.search_results_mouseover(a)},this)),this.search_results.observe("mouseout",d(function(a){return this.search_results_mouseout(a)},this)),this.form_field.observe("liszt:updated",d(function(a){return this.results_update_field(a)},this)),this.search_field.observe("blur",d(function(a){return this.input_blur(a)},this)),this.search_field.observe("keyup",d(function(a){return this.keyup_checker(a)},this)),this.search_field.observe("keydown",d(function(a){return this.keydown_checker(a)},this));if(this.is_multiple){this.search_choices.observe("click",d(function(a){return this.choices_click(a)},this));return this.search_field.observe("focus",d(function(a){return this.input_focus(a)},this))}return this.selected_item.observe("focus",d(function(a){return this.activate_field(a)},this))},a.prototype.container_mousedown=function(a){a&&a.type==="mousedown"&&a.stop();if(!this.pending_destroy_click){this.active_field?!this.is_multiple&&a&&(a.target===this.selected_item||a.target.up("a.chzn-single"))&&this.results_toggle():(this.is_multiple&&this.search_field.clear(),document.observe("click",this.click_test_action),this.results_show());return this.activate_field()}return this.pending_destroy_click=!1},a.prototype.mouse_enter=function(){return this.mouse_on_container=!0},a.prototype.mouse_leave=function(){return this.mouse_on_container=!1},a.prototype.input_focus=function(a){if(!this.active_field)return setTimeout(this.container_mousedown.bind(this),50)},a.prototype.input_blur=function(a){if(!this.mouse_on_container){this.active_field=!1;return setTimeout(this.blur_test.bind(this),100)}},a.prototype.blur_test=function(a){if(!this.active_field&&this.container.hasClassName("chzn-container-active"))return this.close_field()},a.prototype.close_field=function(){document.stopObserving("click",this.click_test_action),this.is_multiple||(this.selected_item.tabIndex=this.search_field.tabIndex,this.search_field.tabIndex=-1),this.active_field=!1,this.results_hide(),this.container.removeClassName("chzn-container-active"),this.winnow_results_clear(),this.clear_backstroke(),this.show_search_field_default();return this.search_field_scale()},a.prototype.activate_field=function(){!this.is_multiple&&!this.active_field&&(this.search_field.tabIndex=this.selected_item.tabIndex,this.selected_item.tabIndex=-1),this.container.addClassName("chzn-container-active"),this.active_field=!0,this.search_field.value=this.search_field.value;return this.search_field.focus()},a.prototype.test_active_click=function(a){return a.target.up("#"+this.container_id)?this.active_field=!0:this.close_field()},a.prototype.results_build=function(){var a,b,d,e,f,g;d=new Date,this.parsing=!0,this.results_data=c.SelectParser.select_to_array(this.form_field),this.is_multiple&&this.choices>0?(this.search_choices.select("li.search-choice").invoke("remove"),this.choices=0):this.is_multiple||this.selected_item.down("span").update(this.default_text),a="",g=this.results_data;for(e=0,f=g.length;e<f;e++)b=g[e],b.group?a+=this.result_add_group(b):b.empty||(a+=this.result_add_option(b),b.selected&&this.is_multiple?this.choice_build(b):b.selected&&!this.is_multiple&&this.selected_item.down("span").update(b.html));this.show_search_field_default(),this.search_field_scale(),this.search_results.update(a);return this.parsing=!1},a.prototype.result_add_group=function(a){if(!a.disabled){a.dom_id=this.container_id+"_g_"+a.array_index;return'<li id="'+a.dom_id+'" class="group-result">'+a.label.escapeHTML()+"</li>"}return""},a.prototype.result_add_option=function(a){var b;if(!a.disabled){a.dom_id=this.container_id+"_o_"+a.array_index,b=a.selected&&this.is_multiple?[]:["active-result"],a.selected&&b.push("result-selected"),a.group_array_index!=null&&b.push("group-option");return'<li id="'+a.dom_id+'" class="'+b.join(" ")+'">'+a.html+"</li>"}return""},a.prototype.results_update_field=function(){this.result_clear_highlight(),this.result_single_selected=null;return this.results_build()},a.prototype.result_do_highlight=function(a){var b,c,d,e,f;this.result_clear_highlight(),this.result_highlight=a,this.result_highlight.addClassName("highlighted"),d=parseInt(this.search_results.getStyle("maxHeight"),10),f=this.search_results.scrollTop,e=d+f,c=this.result_highlight.positionedOffset().top,b=c+this.result_highlight.getHeight();if(b>=e)return this.search_results.scrollTop=b-d>0?b-d:0;if(c<f)return this.search_results.scrollTop=c},a.prototype.result_clear_highlight=function(){this.result_highlight&&this.result_highlight.removeClassName("highlighted");return this.result_highlight=null},a.prototype.results_toggle=function(){return this.results_showing?this.results_hide():this.results_show()},a.prototype.results_show=function(){var a;this.is_multiple||(this.selected_item.addClassName("chzn-single-with-drop"),this.result_single_selected&&this.result_do_highlight(this.result_single_selected)),a=this.is_multiple?this.container.getHeight():this.container.getHeight()-1,this.dropdown.setStyle({top:a+"px",left:0}),this.results_showing=!0,this.search_field.focus(),this.search_field.value=this.search_field.value;return this.winnow_results()},a.prototype.results_hide=function(){this.is_multiple||this.selected_item.removeClassName("chzn-single-with-drop"),this.result_clear_highlight(),this.dropdown.setStyle({left:"-9000px"});return this.results_showing=!1},a.prototype.set_tab_index=function(a){var b;if(this.form_field.tabIndex){b=this.form_field.tabIndex,this.form_field.tabIndex=-1;if(this.is_multiple)return this.search_field.tabIndex=b;this.selected_item.tabIndex=b;return this.search_field.tabIndex=-1}},a.prototype.show_search_field_default=function(){if(this.is_multiple&&this.choices<1&&!this.active_field){this.search_field.value=this.default_text;return this.search_field.addClassName("default")}this.search_field.value="";return this.search_field.removeClassName("default")},a.prototype.search_results_mouseup=function(a){var b;b=a.target.hasClassName("active-result")?a.target:a.target.up(".active-result");if(b){this.result_highlight=b;return this.result_select(a)}},a.prototype.search_results_mouseover=function(a){var b;b=a.target.hasClassName("active-result")?a.target:a.target.up(".active-result");if(b)return this.result_do_highlight(b)},a.prototype.search_results_mouseout=function(a){if(a.target.hasClassName("active-result")||a.target.up(".active-result"))return this.result_clear_highlight()},a.prototype.choices_click=function(a){a.preventDefault();if(this.active_field&&!a.target.hasClassName("search-choice")&&!a.target.up(".search-choice")&&!this.results_showing)return this.results_show()},a.prototype.choice_build=function(a){var b,c;b=this.container_id+"_c_"+a.array_index,this.choices+=1,this.search_container.insert({before:this.choice_temp.evaluate({id:b,choice:a.html,position:a.array_index})}),c=$(b).down("a");return c.observe("click",d(function(a){return this.choice_destroy_link_click(a)},this))},a.prototype.choice_destroy_link_click=function(a){a.preventDefault(),this.pending_destroy_click=!0;return this.choice_destroy(a.target)},a.prototype.choice_destroy=function(a){this.choices-=1,this.show_search_field_default(),this.is_multiple&&this.choices>0&&this.search_field.value.length<1&&this.results_hide(),this.result_deselect(a.readAttribute("rel"));return a.up("li").remove()},a.prototype.result_select=function(a){var b,c,d;if(this.result_highlight){b=this.result_highlight,this.result_clear_highlight(),b.addClassName("result-selected"),this.is_multiple?this.result_deactivate(b):this.result_single_selected=b,d=b.id.substr(b.id.lastIndexOf("_")+1),c=this.results_data[d],c.selected=!0,this.form_field.options[c.options_index].selected=!0,this.is_multiple?this.choice_build(c):this.selected_item.down("span").update(c.html),(!a.metaKey||!this.is_multiple)&&this.results_hide(),this.search_field.value="",typeof Event.simulate=="function"&&this.form_field.simulate("change");return this.search_field_scale()}},a.prototype.result_activate=function(a){return a.addClassName("active-result").show()},a.prototype.result_deactivate=function(a){return a.removeClassName("active-result").hide()},a.prototype.result_deselect=function(a){var b,c;c=this.results_data[a],c.selected=!1,this.form_field.options[c.options_index].selected=!1,b=$(this.container_id+"_o_"+a),b.removeClassName("result-selected").addClassName("active-result").show(),this.result_clear_highlight(),this.winnow_results(),typeof Event.simulate=="function"&&this.form_field.simulate("change");return this.search_field_scale()},a.prototype.results_search=function(a){return this.results_showing?this.winnow_results():this.results_show()},a.prototype.winnow_results=function(){var a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q;i=new Date,this.no_results_clear(),g=0,h=this.search_field.value===this.default_text?"":this.search_field.value.strip().escapeHTML(),e=new RegExp("^"+h.replace(/[-[\]{}()*+?.,\\^$|#\s]/g,"\\$&"),"i"),l=new RegExp(h.replace(/[-[\]{}()*+?.,\\^$|#\s]/g,"\\$&"),"i"),q=this.results_data;for(m=0,o=q.length;m<o;m++){b=q[m];if(!b.disabled&&!b.empty)if(b.group)$(b.dom_id).hide();else if(!this.is_multiple||!b.selected){a=!1,f=b.dom_id;if(e.test(b.html))a=!0,g+=1;else if(b.html.indexOf(" ")>=0||b.html.indexOf("[")===0){d=b.html.replace(/\[|\]/g,"").split(" ");if(d.length)for(n=0,p=d.length;n<p;n++)c=d[n],e.test(c)&&(a=!0,g+=1)}a?(h.length?(j=b.html.search(l),k=b.html.substr(0,j+h.length)+"</em>"+b.html.substr(j+h.length),k=k.substr(0,j)+"<em>"+k.substr(j)):k=b.html,$(f).innerHTML!==k&&$(f).update(k),this.result_activate($(f)),b.group_array_index!=null&&$(this.results_data[b.group_array_index].dom_id).show()):($(f)===this.result_highlight&&this.result_clear_highlight(),this.result_deactivate($(f)))}}return g<1&&h.length?this.no_results(h):this.winnow_results_set_highlight()},a.prototype.winnow_results_clear=function(){var a,b,c,d,e;this.search_field.clear(),b=this.search_results.select("li"),e=[];for(c=0,d=b.length;c<d;c++)a=b[c],e.push(a.hasClassName("group-result")?a.show():!this.is_multiple||!a.hasClassName("result-selected")?this.result_activate(a):void 0);return e},a.prototype.winnow_results_set_highlight=function(){var a;if(!this.result_highlight){this.is_multiple||(a=this.search_results.down(".result-selected")),a==null&&(a=this.search_results.down(".active-result"));if(a!=null)return this.result_do_highlight(a)}},a.prototype.no_results=function(a){return this.search_results.insert(this.no_results_temp.evaluate({terms:a}))},a.prototype.no_results_clear=function(){var a,b;a=null,b=[];while(a=this.search_results.down(".no-results"))b.push(a.remove());return b},a.prototype.keydown_arrow=function(){var a,b,c;a=this.search_results.select("li.active-result");if(a.length){this.result_highlight?this.results_showing&&(c=this.result_highlight.nextSiblings(),b=c.intersect(a),b.length&&this.result_do_highlight(b.first())):this.result_do_highlight(a.first());if(!this.results_showing)return this.results_show()}},a.prototype.keyup_arrow=function(){var a,b,c;if(!this.results_showing&&!this.is_multiple)return this.results_show();if(this.result_highlight){c=this.result_highlight.previousSiblings(),a=this.search_results.select("li.active-result"),b=c.intersect(a);if(b.length)return this.result_do_highlight(b.first());this.choices>0&&this.results_hide();return this.result_clear_highlight()}},a.prototype.keydown_backstroke=function(){if(this.pending_backstroke){this.choice_destroy(this.pending_backstroke.down("a"));return this.clear_backstroke()}this.pending_backstroke=this.search_container.siblings("li.search-choice").last();return this.pending_backstroke.addClassName("search-choice-focus")},a.prototype.clear_backstroke=function(){this.pending_backstroke&&this.pending_backstroke.removeClassName("search-choice-focus");return this.pending_backstroke=null},a.prototype.keyup_checker=function(a){var b,c;b=(c=a.which)!=null?c:a.keyCode,this.search_field_scale();switch(b){case 8:if(this.is_multiple&&this.backstroke_length<1&&this.choices>0)return this.keydown_backstroke();if(!this.pending_backstroke){this.result_clear_highlight();return this.results_search()}break;case 13:a.preventDefault();if(this.results_showing)return this.result_select(a);break;case 27:if(this.results_showing)return this.results_hide();break;case 9:case 38:case 40:case 16:case 91:case 17:break;default:return this.results_search()}},a.prototype.keydown_checker=function(a){var b,c;b=(c=a.which)!=null?c:a.keyCode,this.search_field_scale(),b!==8&&this.pending_backstroke&&this.clear_backstroke();switch(b){case 8:return this.backstroke_length=this.search_field.value.length;case 9:return this.mouse_on_container=!1;case 13:return a.preventDefault();case 38:a.preventDefault();return this.keyup_arrow();case 40:return this.keydown_arrow()}},a.prototype.search_field_scale=function(){var a,b,c,d,e,f,g,h,i;if(this.is_multiple){c=0,g=0,e="position:absolute; left: -1000px; top: -1000px; display:none;",f=["font-size","font-style","font-weight","font-family","line-height","text-transform","letter-spacing"];for(h=0,i=f.length;h<i;h++)d=f[h],e+=d+":"+this.search_field.getStyle(d)+";";b=(new Element("div",{style:e})).update(this.search_field.value.escapeHTML()),document.body.appendChild(b),g=Element.measure(b,"width")+25,b.remove(),g>this.f_width-10&&(g=this.f_width-10),this.search_field.setStyle({width:g+"px"}),a=this.container.getHeight();return this.dropdown.setStyle({top:a+"px"})}};return a}(),c.Chosen=a,Prototype.Browser.IE&&/MSIE (\d+\.\d+);/.test(navigator.userAgent)&&(Prototype.BrowserFeatures.Version=new Number(RegExp.$1)),document.observe("dom:loaded",function(b){var c,d,e,f,g;if(!Prototype.Browser.IE||Prototype.BrowserFeatures.Version!==6&&Prototype.BrowserFeatures.Version!==7){d=$$(".chzn-select"),g=[];for(e=0,f=d.length;e<f;e++)c=d[e],g.push(new a(c));return g}return}),b=function(a){var b,c;b=new Element.Layout(a);return c=b.get("border-left")+b.get("border-right")+b.get("padding-left")+b.get("padding-right")},c.get_side_border_padding=b}).call(this),function(){var a;a=function(){function a(){this.options_index=0,this.parsed=[]}a.prototype.add_node=function(a){return a.nodeName==="OPTGROUP"?this.add_group(a):this.add_option(a)},a.prototype.add_group=function(a){var b,c,d,e,f,g;b=this.parsed.length,this.parsed.push({array_index:b,group:!0,label:a.label,children:0,disabled:a.disabled}),f=a.childNodes,g=[];for(d=0,e=f.length;d<e;d++)c=f[d],g.push(this.add_option(c,b,a.disabled));return g},a.prototype.add_option=function(a,b,c){if(a.nodeName==="OPTION"){a.text!==""?(b!=null&&(this.parsed[b].children+=1),this.parsed.push({array_index:this.parsed.length,options_index:this.options_index,value:a.value,text:a.text,html:a.innerHTML,selected:a.selected,disabled:c===!0?c:a.disabled,group_array_index:b})):this.parsed.push({array_index:this.parsed.length,options_index:this.options_index,empty:!0});return this.options_index+=1}};return a}(),a.select_to_array=function(b){var c,d,e,f,g;d=new a,g=b.childNodes;for(e=0,f=g.length;e<f;e++)c=g[e],d.add_node(c);return d.parsed},this.SelectParser=a}.call(this)
\ No newline at end of file
+(function(){var a;a=function(){function a(){this.options_index=0,this.parsed=[]}a.prototype.add_node=function(a){return a.nodeName==="OPTGROUP"?this.add_group(a):this.add_option(a)},a.prototype.add_group=function(a){var b,c,d,e,f,g;b=this.parsed.length,this.parsed.push({array_index:b,group:!0,label:a.label,children:0,disabled:a.disabled}),f=a.childNodes,g=[];for(d=0,e=f.length;d<e;d++)c=f[d],g.push(this.add_option(c,b,a.disabled));return g},a.prototype.add_option=function(a,b,c){if(a.nodeName==="OPTION"){a.text!==""?(b!=null&&(this.parsed[b].children+=1),this.parsed.push({array_index:this.parsed.length,options_index:this.options_index,value:a.value,text:a.text,html:a.innerHTML,selected:a.selected,disabled:c===!0?c:a.disabled,group_array_index:b})):this.parsed.push({array_index:this.parsed.length,options_index:this.options_index,empty:!0});return this.options_index+=1}};return a}(),a.select_to_array=function(b){var c,d,e,f,g;d=new a,g=b.childNodes;for(e=0,f=g.length;e<f;e++)c=g[e],d.add_node(c);return d.parsed},this.SelectParser=a}).call(this),function(){var a,b,c=function(a,b){return function(){return a.apply(b,arguments)}};b=this,a=function(){function a(a){this.set_default_values(),this.form_field=a,this.is_multiple=this.form_field.multiple,this.default_text_default=this.is_multiple?"Select Some Options":"Select an Option",this.setup(),this.set_up_html(),this.register_observers(),this.finish_setup()}a.prototype.set_default_values=function(){this.click_test_action=c(function(a){return this.test_active_click(a)},this),this.active_field=!1,this.mouse_on_container=!1,this.results_showing=!1,this.result_highlighted=null,this.result_single_selected=null;return this.choices=0},a.prototype.mouse_enter=function(){return this.mouse_on_container=!0},a.prototype.mouse_leave=function(){return this.mouse_on_container=!1},a.prototype.input_focus=function(a){if(!this.active_field)return setTimeout(c(function(){return this.container_mousedown()},this),50)},a.prototype.input_blur=function(a){if(!this.mouse_on_container){this.active_field=!1;return setTimeout(c(function(){return this.blur_test()},this),100)}},a.prototype.result_add_option=function(a){var b;if(!a.disabled){a.dom_id=this.container_id+"_o_"+a.array_index,b=a.selected&&this.is_multiple?[]:["active-result"],a.selected&&b.push("result-selected"),a.group_array_index!=null&&b.push("group-option");return'<li id="'+a.dom_id+'" class="'+b.join(" ")+'">'+a.html+"</li>"}return""},a.prototype.results_update_field=function(){this.result_clear_highlight(),this.result_single_selected=null;return this.results_build()},a.prototype.results_toggle=function(){return this.results_showing?this.results_hide():this.results_show()},a.prototype.results_search=function(a){return this.results_showing?this.winnow_results():this.results_show()},a.prototype.keyup_checker=function(a){var b,c;b=(c=a.which)!=null?c:a.keyCode,this.search_field_scale();switch(b){case 8:if(this.is_multiple&&this.backstroke_length<1&&this.choices>0)return this.keydown_backstroke();if(!this.pending_backstroke){this.result_clear_highlight();return this.results_search()}break;case 13:a.preventDefault();if(this.results_showing)return this.result_select(a);break;case 27:if(this.results_showing)return this.results_hide();break;case 9:case 38:case 40:case 16:case 91:case 17:break;default:return this.results_search()}},a.prototype.generate_field_id=function(){var a;a=this.generate_random_id(),this.form_field.id=a;return a},a.prototype.generate_random_char=function(){var a,b,c;a="0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZ",c=Math.floor(Math.random()*a.length);return b=a.substring(c,c+1)};return a}(),b.AbstractChosen=a}.call(this),function(){var a,b,c,d=Object.prototype.hasOwnProperty,e=function(a,b){function e(){this.constructor=a}for(var c in b)d.call(b,c)&&(a[c]=b[c]);e.prototype=b.prototype,a.prototype=new e,a.__super__=b.prototype;return a},f=function(a,b){return function(){return a.apply(b,arguments)}};c=this,a=function(){function a(){a.__super__.constructor.apply(this,arguments)}e(a,AbstractChosen),a.prototype.setup=function(){return this.is_rtl=this.form_field.hasClassName("chzn-rtl")},a.prototype.finish_setup=function(){return this.form_field.addClassName("chzn-done")},a.prototype.set_default_values=function(){a.__super__.set_default_values.call(this),this.single_temp=new Template('<a href="javascript:void(0)" class="chzn-single"><span>#{default}</span><div><b></b></div></a><div class="chzn-drop" style="left:-9000px;"><div class="chzn-search"><input type="text" autocomplete="off" /></div><ul class="chzn-results"></ul></div>'),this.multi_temp=new Template('<ul class="chzn-choices"><li class="search-field"><input type="text" value="#{default}" class="default" autocomplete="off" style="width:25px;" /></li></ul><div class="chzn-drop" style="left:-9000px;"><ul class="chzn-results"></ul></div>'),this.choice_temp=new Template('<li class="search-choice" id="#{id}"><span>#{choice}</span><a href="javascript:void(0)" class="search-choice-close" rel="#{position}"></a></li>');return this.no_results_temp=new Template('<li class="no-results">No results match "<span>#{terms}</span>"</li>')},a.prototype.set_up_html=function(){var a,c,d,e,f;this.container_id=this.form_field.identify().replace(/(:|\.)/g,"_")+"_chzn",this.f_width=this.form_field.getStyle("width")?parseInt(this.form_field.getStyle("width"),10):this.form_field.getWidth(),c={id:this.container_id,"class":"chzn-container "+(this.is_rtl?"chzn-rtl":""),style:"width: "+this.f_width+"px"},this.default_text=this.form_field.readAttribute("data-placeholder")?this.form_field.readAttribute("data-placeholder"):this.default_text_default,a=this.is_multiple?(new Element("div",c)).update(this.multi_temp.evaluate({"default":this.default_text})):(new Element("div",c)).update(this.single_temp.evaluate({"default":this.default_text})),this.form_field.hide().insert({after:a}),this.container=$(this.container_id),this.container.addClassName("chzn-container-"+(this.is_multiple?"multi":"single")),this.dropdown=this.container.down("div.chzn-drop"),d=this.container.getHeight(),e=this.f_width-b(this.dropdown),this.dropdown.setStyle({width:e+"px",top:d+"px"}),this.search_field=this.container.down("input"),this.search_results=this.container.down("ul.chzn-results"),this.search_field_scale(),this.search_no_results=this.container.down("li.no-results"),this.is_multiple?(this.search_choices=this.container.down("ul.chzn-choices"),this.search_container=this.container.down("li.search-field")):(this.search_container=this.container.down("div.chzn-search"),this.selected_item=this.container.down(".chzn-single"),f=e-b(this.search_container)-b(this.search_field),this.search_field.setStyle({width:f+"px"})),this.results_build();return this.set_tab_index()},a.prototype.register_observers=function(){this.container.observe("mousedown",f(function(a){return this.container_mousedown(a)},this)),this.container.observe("mouseenter",f(function(a){return this.mouse_enter(a)},this)),this.container.observe("mouseleave",f(function(a){return this.mouse_leave(a)},this)),this.search_results.observe("mouseup",f(function(a){return this.search_results_mouseup(a)},this)),this.search_results.observe("mouseover",f(function(a){return this.search_results_mouseover(a)},this)),this.search_results.observe("mouseout",f(function(a){return this.search_results_mouseout(a)},this)),this.form_field.observe("liszt:updated",f(function(a){return this.results_update_field(a)},this)),this.search_field.observe("blur",f(function(a){return this.input_blur(a)},this)),this.search_field.observe("keyup",f(function(a){return this.keyup_checker(a)},this)),this.search_field.observe("keydown",f(function(a){return this.keydown_checker(a)},this));if(this.is_multiple){this.search_choices.observe("click",f(function(a){return this.choices_click(a)},this));return this.search_field.observe("focus",f(function(a){return this.input_focus(a)},this))}return this.selected_item.observe("focus",f(function(a){return this.activate_field(a)},this))},a.prototype.container_mousedown=function(a){a&&a.type==="mousedown"&&a.stop();if(!this.pending_destroy_click){this.active_field?!this.is_multiple&&a&&(a.target===this.selected_item||a.target.up("a.chzn-single"))&&this.results_toggle():(this.is_multiple&&this.search_field.clear(),document.observe("click",this.click_test_action),this.results_show());return this.activate_field()}return this.pending_destroy_click=!1},a.prototype.blur_test=function(a){if(!this.active_field&&this.container.hasClassName("chzn-container-active"))return this.close_field()},a.prototype.close_field=function(){document.stopObserving("click",this.click_test_action),this.is_multiple||(this.selected_item.tabIndex=this.search_field.tabIndex,this.search_field.tabIndex=-1),this.active_field=!1,this.results_hide(),this.container.removeClassName("chzn-container-active"),this.winnow_results_clear(),this.clear_backstroke(),this.show_search_field_default();return this.search_field_scale()},a.prototype.activate_field=function(){!this.is_multiple&&!this.active_field&&(this.search_field.tabIndex=this.selected_item.tabIndex,this.selected_item.tabIndex=-1),this.container.addClassName("chzn-container-active"),this.active_field=!0,this.search_field.value=this.search_field.value;return this.search_field.focus()},a.prototype.test_active_click=function(a){return a.target.up("#"+this.container_id)?this.active_field=!0:this.close_field()},a.prototype.results_build=function(){var a,b,d,e,f,g;d=new Date,this.parsing=!0,this.results_data=c.SelectParser.select_to_array(this.form_field),this.is_multiple&&this.choices>0?(this.search_choices.select("li.search-choice").invoke("remove"),this.choices=0):this.is_multiple||this.selected_item.down("span").update(this.default_text),a="",g=this.results_data;for(e=0,f=g.length;e<f;e++)b=g[e],b.group?a+=this.result_add_group(b):b.empty||(a+=this.result_add_option(b),b.selected&&this.is_multiple?this.choice_build(b):b.selected&&!this.is_multiple&&this.selected_item.down("span").update(b.html));this.show_search_field_default(),this.search_field_scale(),this.search_results.update(a);return this.parsing=!1},a.prototype.result_add_group=function(a){if(!a.disabled){a.dom_id=this.container_id+"_g_"+a.array_index;return'<li id="'+a.dom_id+'" class="group-result">'+a.label.escapeHTML()+"</li>"}return""},a.prototype.result_do_highlight=function(a){var b,c,d,e,f;this.result_clear_highlight(),this.result_highlight=a,this.result_highlight.addClassName("highlighted"),d=parseInt(this.search_results.getStyle("maxHeight"),10),f=this.search_results.scrollTop,e=d+f,c=this.result_highlight.positionedOffset().top,b=c+this.result_highlight.getHeight();if(b>=e)return this.search_results.scrollTop=b-d>0?b-d:0;if(c<f)return this.search_results.scrollTop=c},a.prototype.result_clear_highlight=function(){this.result_highlight&&this.result_highlight.removeClassName("highlighted");return this.result_highlight=null},a.prototype.results_show=function(){var a;this.is_multiple||(this.selected_item.addClassName("chzn-single-with-drop"),this.result_single_selected&&this.result_do_highlight(this.result_single_selected)),a=this.is_multiple?this.container.getHeight():this.container.getHeight()-1,this.dropdown.setStyle({top:a+"px",left:0}),this.results_showing=!0,this.search_field.focus(),this.search_field.value=this.search_field.value;return this.winnow_results()},a.prototype.results_hide=function(){this.is_multiple||this.selected_item.removeClassName("chzn-single-with-drop"),this.result_clear_highlight(),this.dropdown.setStyle({left:"-9000px"});return this.results_showing=!1},a.prototype.set_tab_index=function(a){var b;if(this.form_field.tabIndex){b=this.form_field.tabIndex,this.form_field.tabIndex=-1;if(this.is_multiple)return this.search_field.tabIndex=b;this.selected_item.tabIndex=b;return this.search_field.tabIndex=-1}},a.prototype.show_search_field_default=function(){if(this.is_multiple&&this.choices<1&&!this.active_field){this.search_field.value=this.default_text;return this.search_field.addClassName("default")}this.search_field.value="";return this.search_field.removeClassName("default")},a.prototype.search_results_mouseup=function(a){var b;b=a.target.hasClassName("active-result")?a.target:a.target.up(".active-result");if(b){this.result_highlight=b;return this.result_select(a)}},a.prototype.search_results_mouseover=function(a){var b;b=a.target.hasClassName("active-result")?a.target:a.target.up(".active-result");if(b)return this.result_do_highlight(b)},a.prototype.search_results_mouseout=function(a){if(a.target.hasClassName("active-result")||a.target.up(".active-result"))return this.result_clear_highlight()},a.prototype.choices_click=function(a){a.preventDefault();if(this.active_field&&!a.target.hasClassName("search-choice")&&!a.target.up(".search-choice")&&!this.results_showing)return this.results_show()},a.prototype.choice_build=function(a){var b,c;b=this.container_id+"_c_"+a.array_index,this.choices+=1,this.search_container.insert({before:this.choice_temp.evaluate({id:b,choice:a.html,position:a.array_index})}),c=$(b).down("a");return c.observe("click",f(function(a){return this.choice_destroy_link_click(a)},this))},a.prototype.choice_destroy_link_click=function(a){a.preventDefault(),this.pending_destroy_click=!0;return this.choice_destroy(a.target)},a.prototype.choice_destroy=function(a){this.choices-=1,this.show_search_field_default(),this.is_multiple&&this.choices>0&&this.search_field.value.length<1&&this.results_hide(),this.result_deselect(a.readAttribute("rel"));return a.up("li").remove()},a.prototype.result_select=function(a){var b,c,d;if(this.result_highlight){b=this.result_highlight,this.result_clear_highlight(),b.addClassName("result-selected"),this.is_multiple?this.result_deactivate(b):this.result_single_selected=b,d=b.id.substr(b.id.lastIndexOf("_")+1),c=this.results_data[d],c.selected=!0,this.form_field.options[c.options_index].selected=!0,this.is_multiple?this.choice_build(c):this.selected_item.down("span").update(c.html),(!a.metaKey||!this.is_multiple)&&this.results_hide(),this.search_field.value="",typeof Event.simulate=="function"&&this.form_field.simulate("change");return this.search_field_scale()}},a.prototype.result_activate=function(a){return a.addClassName("active-result").show()},a.prototype.result_deactivate=function(a){return a.removeClassName("active-result").hide()},a.prototype.result_deselect=function(a){var b,c;c=this.results_data[a],c.selected=!1,this.form_field.options[c.options_index].selected=!1,b=$(this.container_id+"_o_"+a),b.removeClassName("result-selected").addClassName("active-result").show(),this.result_clear_highlight(),this.winnow_results(),typeof Event.simulate=="function"&&this.form_field.simulate("change");return this.search_field_scale()},a.prototype.winnow_results=function(){var a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q;i=new Date,this.no_results_clear(),g=0,h=this.search_field.value===this.default_text?"":this.search_field.value.strip().escapeHTML(),e=new RegExp("^"+h.replace(/[-[\]{}()*+?.,\\^$|#\s]/g,"\\$&"),"i"),l=new RegExp(h.replace(/[-[\]{}()*+?.,\\^$|#\s]/g,"\\$&"),"i"),q=this.results_data;for(m=0,o=q.length;m<o;m++){b=q[m];if(!b.disabled&&!b.empty)if(b.group)$(b.dom_id).hide();else if(!this.is_multiple||!b.selected){a=!1,f=b.dom_id;if(e.test(b.html))a=!0,g+=1;else if(b.html.indexOf(" ")>=0||b.html.indexOf("[")===0){d=b.html.replace(/\[|\]/g,"").split(" ");if(d.length)for(n=0,p=d.length;n<p;n++)c=d[n],e.test(c)&&(a=!0,g+=1)}a?(h.length?(j=b.html.search(l),k=b.html.substr(0,j+h.length)+"</em>"+b.html.substr(j+h.length),k=k.substr(0,j)+"<em>"+k.substr(j)):k=b.html,$(f).innerHTML!==k&&$(f).update(k),this.result_activate($(f)),b.group_array_index!=null&&$(this.results_data[b.group_array_index].dom_id).show()):($(f)===this.result_highlight&&this.result_clear_highlight(),this.result_deactivate($(f)))}}return g<1&&h.length?this.no_results(h):this.winnow_results_set_highlight()},a.prototype.winnow_results_clear=function(){var a,b,c,d,e;this.search_field.clear(),b=this.search_results.select("li"),e=[];for(c=0,d=b.length;c<d;c++)a=b[c],e.push(a.hasClassName("group-result")?a.show():!this.is_multiple||!a.hasClassName("result-selected")?this.result_activate(a):void 0);return e},a.prototype.winnow_results_set_highlight=function(){var a;if(!this.result_highlight){this.is_multiple||(a=this.search_results.down(".result-selected")),a==null&&(a=this.search_results.down(".active-result"));if(a!=null)return this.result_do_highlight(a)}},a.prototype.no_results=function(a){return this.search_results.insert(this.no_results_temp.evaluate({terms:a}))},a.prototype.no_results_clear=function(){var a,b;a=null,b=[];while(a=this.search_results.down(".no-results"))b.push(a.remove());return b},a.prototype.keydown_arrow=function(){var a,b,c;a=this.search_results.select("li.active-result");if(a.length){this.result_highlight?this.results_showing&&(c=this.result_highlight.nextSiblings(),b=c.intersect(a),b.length&&this.result_do_highlight(b.first())):this.result_do_highlight(a.first());if(!this.results_showing)return this.results_show()}},a.prototype.keyup_arrow=function(){var a,b,c;if(!this.results_showing&&!this.is_multiple)return this.results_show();if(this.result_highlight){c=this.result_highlight.previousSiblings(),a=this.search_results.select("li.active-result"),b=c.intersect(a);if(b.length)return this.result_do_highlight(b.first());this.choices>0&&this.results_hide();return this.result_clear_highlight()}},a.prototype.keydown_backstroke=function(){if(this.pending_backstroke){this.choice_destroy(this.pending_backstroke.down("a"));return this.clear_backstroke()}this.pending_backstroke=this.search_container.siblings("li.search-choice").last();return this.pending_backstroke.addClassName("search-choice-focus")},a.prototype.clear_backstroke=function(){this.pending_backstroke&&this.pending_backstroke.removeClassName("search-choice-focus");return this.pending_backstroke=null},a.prototype.keydown_checker=function(a){var b,c;b=(c=a.which)!=null?c:a.keyCode,this.search_field_scale(),b!==8&&this.pending_backstroke&&this.clear_backstroke();switch(b){case 8:return this.backstroke_length=this.search_field.value.length;case 9:return this.mouse_on_container=!1;case 13:return a.preventDefault();case 38:a.preventDefault();return this.keyup_arrow();case 40:return this.keydown_arrow()}},a.prototype.search_field_scale=function(){var a,b,c,d,e,f,g,h,i;if(this.is_multiple){c=0,g=0,e="position:absolute; left: -1000px; top: -1000px; display:none;",f=["font-size","font-style","font-weight","font-family","line-height","text-transform","letter-spacing"];for(h=0,i=f.length;h<i;h++)d=f[h],e+=d+":"+this.search_field.getStyle(d)+";";b=(new Element("div",{style:e})).update(this.search_field.value.escapeHTML()),document.body.appendChild(b),g=Element.measure(b,"width")+25,b.remove(),g>this.f_width-10&&(g=this.f_width-10),this.search_field.setStyle({width:g+"px"}),a=this.container.getHeight();return this.dropdown.setStyle({top:a+"px"})}};return a}(),c.Chosen=a,Prototype.Browser.IE&&/MSIE (\d+\.\d+);/.test(navigator.userAgent)&&(Prototype.BrowserFeatures.Version=new Number(RegExp.$1)),document.observe("dom:loaded",function(b){var c,d,e,f,g;if(!Prototype.Browser.IE||Prototype.BrowserFeatures.Version!==6&&Prototype.BrowserFeatures.Version!==7){d=$$(".chzn-select"),g=[];for(e=0,f=d.length;e<f;e++)c=d[e],g.push(new a(c));return g}return}),b=function(a){var b,c;b=new Element.Layout(a);return c=b.get("border-left")+b.get("border-right")+b.get("padding-left")+b.get("padding-right")},c.get_side_border_padding=b}.call(this)
\ No newline at end of file
diff --git a/coffee/chosen.jquery.coffee b/coffee/chosen.jquery.coffee
index 8a97cad..1a76945 100644
--- a/coffee/chosen.jquery.coffee
+++ b/coffee/chosen.jquery.coffee
@@ -14,32 +14,15 @@ $.fn.extend({
     )
 }) 
 
-class Chosen
+class Chosen extends AbstractChosen
 
-  constructor: (elmn) ->
-    this.set_default_values()
-    
-    @form_field = elmn
+  setup: ->
     @form_field_jq = $ @form_field
-    @is_multiple = @form_field.multiple
     @is_rtl = @form_field_jq.hasClass "chzn-rtl"
 
-    @default_text_default = if @form_field.multiple then "Select Some Options" else "Select an Option"
-
-    this.set_up_html()
-    this.register_observers()
+  finish_setup: ->
     @form_field_jq.addClass "chzn-done"
 
-  set_default_values: ->
-    
-    @click_test_action = (evt) => this.test_active_click(evt)
-    @active_field = false
-    @mouse_on_container = false
-    @results_showing = false
-    @result_highlighted = null
-    @result_single_selected = null
-    @choices = 0
-
   set_up_html: ->
     @container_id = if @form_field.id.length then @form_field.id.replace(/(:|\.)/g, '_') else this.generate_field_id()
     @container_id += "_chzn"
@@ -125,17 +108,6 @@ class Chosen
     else
       @pending_destroy_click = false
 
-  mouse_enter: -> @mouse_on_container = true
-  mouse_leave: -> @mouse_on_container = false
-
-  input_focus: (evt) ->
-    setTimeout (=> this.container_mousedown()), 50 unless @active_field
-  
-  input_blur: (evt) ->
-    if not @mouse_on_container
-      @active_field = false
-      setTimeout (=> this.blur_test()), 100
-
   blur_test: (evt) ->
     this.close_field() if not @active_field and @container.hasClass "chzn-container-active"
 
@@ -210,23 +182,6 @@ class Chosen
     else
       ""
   
-  result_add_option: (option) ->
-    if not option.disabled
-      option.dom_id = @container_id + "_o_" + option.array_index
-      
-      classes = if option.selected and @is_multiple then [] else ["active-result"]
-      classes.push "result-selected" if option.selected
-      classes.push "group-option" if option.group_array_index?
-      
-      '<li id="' + option.dom_id + '" class="' + classes.join(' ') + '">' + option.html + '</li>'
-    else
-      ""
-
-  results_update_field: ->
-    this.result_clear_highlight()
-    @result_single_selected = null
-    this.results_build()
-
   result_do_highlight: (el) ->
     if el.length
       this.result_clear_highlight()
@@ -250,12 +205,6 @@ class Chosen
     @result_highlight.removeClass "highlighted" if @result_highlight
     @result_highlight = null
 
-  results_toggle: ->
-    if @results_showing
-      this.results_hide()
-    else
-      this.results_show()
-
   results_show: ->
     if not @is_multiple
       @selected_item.addClass "chzn-single-with-drop"
@@ -389,12 +338,6 @@ class Chosen
     @form_field_jq.trigger "change"
     this.search_field_scale()
 
-  results_search: (evt) ->
-    if @results_showing
-      this.winnow_results()
-    else
-      this.results_show()
-
   winnow_results: ->
     startTime = new Date()
     this.no_results_clear()
@@ -508,27 +451,6 @@ class Chosen
     @pending_backstroke.removeClass "search-choice-focus" if @pending_backstroke
     @pending_backstroke = null
 
-  keyup_checker: (evt) ->
-    stroke = evt.which ? evt.keyCode
-    this.search_field_scale()
-
-    switch stroke
-      when 8
-        if @is_multiple and @backstroke_length < 1 and @choices > 0
-          this.keydown_backstroke()
-        else if not @pending_backstroke
-          this.result_clear_highlight()
-          this.results_search()
-      when 13
-        evt.preventDefault()
-        this.result_select(evt) if this.results_showing
-      when 27
-        this.results_hide() if @results_showing
-      when 9, 38, 40, 16, 91, 17
-        # don't do anything on these keys
-      else this.results_search()
-
-
   keydown_checker: (evt) ->
     stroke = evt.which ? evt.keyCode
     this.search_field_scale()
@@ -580,22 +502,12 @@ class Chosen
       dd_top = @container.height()
       @dropdown.css({"top":  dd_top + "px"})
   
-  generate_field_id: ->
-    new_id = this.generate_random_id()
-    @form_field.id = new_id
-    new_id
-  
   generate_random_id: ->
     string = "sel" + this.generate_random_char() + this.generate_random_char() + this.generate_random_char()
     while $("#" + string).length > 0
       string += this.generate_random_char()
     string
     
-  generate_random_char: ->
-    chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZ";
-    rand = Math.floor(Math.random() * chars.length)
-    newchar = chars.substring rand, rand+1
-
 get_side_border_padding = (elmt) ->
   side_border_padding = elmt.outerWidth() - elmt.width()
 
diff --git a/coffee/chosen.proto.coffee b/coffee/chosen.proto.coffee
index c865750..0f9193b 100644
--- a/coffee/chosen.proto.coffee
+++ b/coffee/chosen.proto.coffee
@@ -4,39 +4,23 @@ Copyright (c) 2011 by Harvest
 ###
 root = this
 
-class Chosen
+class Chosen extends AbstractChosen
 
-  constructor: (elmn) ->
-    this.set_default_values()
-    
-    @form_field = elmn
-    @is_multiple = @form_field.multiple
+  setup: ->
     @is_rtl = @form_field.hasClassName "chzn-rtl"
 
-    @default_text_default = if @form_field.multiple then "Select Some Options" else "Select an Option"
-
-    this.set_up_html()
-    this.register_observers()
+  finish_setup: ->
     @form_field.addClassName "chzn-done"
 
-
   set_default_values: ->
+    super()
     
-    @click_test_action = (evt) => this.test_active_click(evt)
-    @active_field = false
-    @mouse_on_container = false
-    @results_showing = false
-    @result_highlighted = null
-    @result_single_selected = null
-    @choices = 0
-
     # HTML Templates
     @single_temp = new Template('<a href="javascript:void(0)" class="chzn-single"><span>#{default}</span><div><b></b></div></a><div class="chzn-drop" style="left:-9000px;"><div class="chzn-search"><input type="text" autocomplete="off" /></div><ul class="chzn-results"></ul></div>')
     @multi_temp = new Template('<ul class="chzn-choices"><li class="search-field"><input type="text" value="#{default}" class="default" autocomplete="off" style="width:25px;" /></li></ul><div class="chzn-drop" style="left:-9000px;"><ul class="chzn-results"></ul></div>')
     @choice_temp = new Template('<li class="search-choice" id="#{id}"><span>#{choice}</span><a href="javascript:void(0)" class="search-choice-close" rel="#{position}"></a></li>')
     @no_results_temp = new Template('<li class="no-results">No results match "<span>#{terms}</span>"</li>')
 
-
   set_up_html: ->
     @container_id = @form_field.identify().replace(/(:|\.)/g, '_') + "_chzn"
     
@@ -79,7 +63,6 @@ class Chosen
     this.results_build()
     this.set_tab_index()
 
-
   register_observers: ->
     @container.observe "mousedown", (evt) => this.container_mousedown(evt)
     @container.observe "mouseenter", (evt) => this.mouse_enter(evt)
@@ -101,7 +84,6 @@ class Chosen
     else
       @selected_item.observe "focus", (evt) => this.activate_field(evt)
 
-
   container_mousedown: (evt) ->
     if evt and evt.type is "mousedown"
       evt.stop()
@@ -117,17 +99,6 @@ class Chosen
     else
       @pending_destroy_click = false
 
-  mouse_enter: -> @mouse_on_container = true
-  mouse_leave: -> @mouse_on_container = false
-
-  input_focus: (evt) ->
-    setTimeout this.container_mousedown.bind(this), 50 unless @active_field
-  
-  input_blur: (evt) ->
-    if not @mouse_on_container
-      @active_field = false
-      setTimeout this.blur_test.bind(this), 100
-
   blur_test: (evt) ->
     this.close_field() if not @active_field and @container.hasClassName("chzn-container-active")
 
@@ -202,23 +173,6 @@ class Chosen
     else
       ""
   
-  result_add_option: (option) ->
-    if not option.disabled
-      option.dom_id = @container_id + "_o_" + option.array_index
-      
-      classes = if option.selected and @is_multiple then [] else ["active-result"]
-      classes.push "result-selected" if option.selected
-      classes.push "group-option" if option.group_array_index?
-      
-      '<li id="' + option.dom_id + '" class="' + classes.join(' ') + '">' + option.html + '</li>'
-    else
-      ""
-
-  results_update_field: ->
-    this.result_clear_highlight()
-    @result_single_selected = null
-    this.results_build()
-
   result_do_highlight: (el) ->
       this.result_clear_highlight()
 
@@ -241,12 +195,6 @@ class Chosen
     @result_highlight.removeClassName('highlighted') if @result_highlight
     @result_highlight = null
 
-  results_toggle: ->
-    if @results_showing
-      this.results_hide()
-    else
-      this.results_show()
-
   results_show: ->
     if not @is_multiple
       @selected_item.addClassName('chzn-single-with-drop')
@@ -382,12 +330,6 @@ class Chosen
     @form_field.simulate("change") if typeof Event.simulate is 'function'
     this.search_field_scale()
 
-  results_search: (evt) ->
-    if @results_showing
-      this.winnow_results()
-    else
-      this.results_show()
-
   winnow_results: ->
     startTime = new Date()
     this.no_results_clear()
@@ -506,27 +448,6 @@ class Chosen
     @pending_backstroke.removeClassName("search-choice-focus") if @pending_backstroke
     @pending_backstroke = null
 
-  keyup_checker: (evt) ->
-    stroke = evt.which ? evt.keyCode
-    this.search_field_scale()
-
-    switch stroke
-      when 8
-        if @is_multiple and @backstroke_length < 1 and @choices > 0
-          this.keydown_backstroke()
-        else if not @pending_backstroke
-          this.result_clear_highlight()
-          this.results_search()
-      when 13
-        evt.preventDefault()
-        this.result_select(evt) if this.results_showing
-      when 27
-        this.results_hide() if @results_showing
-      when 9, 38, 40, 16, 91, 17
-        # don't do anything on these keys
-      else this.results_search()
-
-
   keydown_checker: (evt) ->
     stroke = evt.which ? evt.keyCode
     this.search_field_scale()
@@ -546,7 +467,6 @@ class Chosen
       when 40
         this.keydown_arrow()
 
-
   search_field_scale: ->
     if @is_multiple
       h = 0
diff --git a/coffee/lib/abstract-chosen.coffee b/coffee/lib/abstract-chosen.coffee
new file mode 100644
index 0000000..eb66771
--- /dev/null
+++ b/coffee/lib/abstract-chosen.coffee
@@ -0,0 +1,102 @@
+###
+Chosen source: generate output using 'cake build'
+Copyright (c) 2011 by Harvest
+###
+root = this
+
+class AbstractChosen
+
+  constructor: (elmn) ->
+    this.set_default_values()
+    
+    @form_field = elmn
+    @is_multiple = @form_field.multiple
+    @default_text_default = if @is_multiple then "Select Some Options" else "Select an Option"
+
+    this.setup()
+
+    this.set_up_html()
+    this.register_observers()
+
+    this.finish_setup()
+
+  set_default_values: ->
+    @click_test_action = (evt) => this.test_active_click(evt)
+    @active_field = false
+    @mouse_on_container = false
+    @results_showing = false
+    @result_highlighted = null
+    @result_single_selected = null
+    @choices = 0
+
+  mouse_enter: -> @mouse_on_container = true
+  mouse_leave: -> @mouse_on_container = false
+
+  input_focus: (evt) ->
+    setTimeout (=> this.container_mousedown()), 50 unless @active_field
+  
+  input_blur: (evt) ->
+    if not @mouse_on_container
+      @active_field = false
+      setTimeout (=> this.blur_test()), 100
+
+  result_add_option: (option) ->
+    if not option.disabled
+      option.dom_id = @container_id + "_o_" + option.array_index
+      
+      classes = if option.selected and @is_multiple then [] else ["active-result"]
+      classes.push "result-selected" if option.selected
+      classes.push "group-option" if option.group_array_index?
+      
+      '<li id="' + option.dom_id + '" class="' + classes.join(' ') + '">' + option.html + '</li>'
+    else
+      ""
+
+  results_update_field: ->
+    this.result_clear_highlight()
+    @result_single_selected = null
+    this.results_build()
+
+  results_toggle: ->
+    if @results_showing
+      this.results_hide()
+    else
+      this.results_show()
+
+  results_search: (evt) ->
+    if @results_showing
+      this.winnow_results()
+    else
+      this.results_show()
+
+  keyup_checker: (evt) ->
+    stroke = evt.which ? evt.keyCode
+    this.search_field_scale()
+
+    switch stroke
+      when 8
+        if @is_multiple and @backstroke_length < 1 and @choices > 0
+          this.keydown_backstroke()
+        else if not @pending_backstroke
+          this.result_clear_highlight()
+          this.results_search()
+      when 13
+        evt.preventDefault()
+        this.result_select(evt) if this.results_showing
+      when 27
+        this.results_hide() if @results_showing
+      when 9, 38, 40, 16, 91, 17
+        # don't do anything on these keys
+      else this.results_search()
+
+  generate_field_id: ->
+    new_id = this.generate_random_id()
+    @form_field.id = new_id
+    new_id
+  
+  generate_random_char: ->
+    chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZ"
+    rand = Math.floor(Math.random() * chars.length)
+    newchar = chars.substring rand, rand+1
+
+root.AbstractChosen = AbstractChosen