Changeset 6651 for extensions

Timestamp:

Jul 2, 2010, 6:53:40 AM (14 years ago)

Author:

rvelices

Message:

rv_gmaps - start using google.maps JS namespace + upgrade prototype.js

Location:

extensions/rv_gmaps/trunk

Files:

• changelog.txt (modified) (1 diff)
• template/data_handler.js (modified) (9 diffs)
• template/data_loader.js (modified) (10 diffs)
• template/map.tpl (modified) (1 diff)
• template/page_linker.js (modified) (2 diffs)
• template/picture_map_content.tpl (modified) (2 diffs)
• template/windows_13/javascripts/prototype.js (modified) (139 diffs)

extensions/rv_gmaps/trunk/changelog.txt

@@ -1 +1 @@
 2.1.b
 - fixed admin navigation bar
+- compatible with extended description
+- upgrade prototype
 
 2.1.a

extensions/rv_gmaps/trunk/template/data_handler.js

@@ -10 +10 @@
                 , opts || {} );
 
-        GEvent.addListener( map, "infowindowclose", function() {map.getInfoWindow().pwgMarker=null;} );
+        google.maps.Event.addListener( map, "infowindowclose", function() {map.getInfoWindow().pwgMarker=null;} );
 }
 
@@ -83 +83 @@
                         {
                                 this._map.removeOverlay( marker );
-                                GEvent.clearListeners(marker, "click" );
-                                GEvent.clearListeners(marker, "dblclick" );
+                                google.maps.Event.clearListeners(marker, "click" );
+                                google.maps.Event.clearListeners(marker, "dblclick" );
                                 this._map.getInfoWindow().pwgMarker = infoWindowMarker = null;
-                                if (document.is_debug) GLog.write('removed marker with infoWindow');
+                                if (document.is_debug) google.maps.Log.write('removed marker with infoWindow');
                                 marker = this._markers.pop();
                         }
@@ -92 +92 @@
                         if (!marker)
                         {
-                                marker = new GMarker( cluster.position, {title:  theTitle, icon: this.options.icon } );
-                                GEvent.addListener( marker, "click", this._onMarkerClick.bind(this, marker) );
-                                GEvent.addListener( marker, "dblclick", this._onMarkerDblClick.bind(this, marker) );
+                                marker = new google.maps.Marker( cluster.position, {title:  theTitle, icon: this.options.icon } );
+                                google.maps.Event.addListener( marker, "click", this._onMarkerClick.bind(this, marker) );
+                                google.maps.Event.addListener( marker, "dblclick", this._onMarkerDblClick.bind(this, marker) );
                                 this._map.addOverlay( marker );
                         }
@@ -144 +144 @@
                 {
                         this._map.removeOverlay( this._markers[i] );
-                        GEvent.clearListeners(this._markers[i], "click" );
-                        GEvent.clearListeners(this._markers[i], "dblclick" );
+                        google.maps.Event.clearListeners(this._markers[i], "click" );
+                        google.maps.Event.clearListeners(this._markers[i], "dblclick" );
                 }
 
@@ -160 +160 @@
         if (this._map.getInfoWindow().pwgMarker == marker )
                 return; // already open
-  var content = "";
-  if ( !marker.currentImageIndex )
-    marker.currentImageIndex = 0;
-  content += '<div class="gmiw_header" style="' + (marker.pwg.images.length>1 ? '': 'display:none')+ '">';
-  content += '<span id="pwgImageCounters">'+this.buildCurrentPictureCounterHtml(marker)+'</span> ';
-  content += '<a href="javascript:void(0);" id="'+this._navHtmlIds[0]+'">';
-  content +=    '<span>'+ "&laquo; " + Localization.get('Prev') + '</span>';
-  content += '</a>';
-  content += " ";
-  content += '<a href="javascript:void(0);" id="'+this._navHtmlIds[1]+'">';
-  content +=    '<span>'+Localization.get('Next') + " &raquo;"+'</span>';
-  content += '</a>';
-  content += " ";
-  var imgShowAll = '';
-  if (this.options.show_all_img_src)
-    imgShowAll = '<img src="'+this.options.show_all_img_src+'" alt="" style="border:0" /> ';
-  content += '<a id="pwgImageBlowup" href="'+marker.pwg.blowup_url+'" onclick="return PwgDataHandler.blowupUrl(this.href);" title='+Localization.getQ('show all pictures around this location')+'>'+
-            imgShowAll+ '<span>'+Localization.get('Show all')+'</span>'+
-          '</a>';
-  content += '</div>';
-  content += '<div id="pwgImageDetail">' + this.buildCurrentPictureHtml( marker ) + '</div>';
-
-  marker.openInfoWindowHtml( content );
-
-  // bind to next / prev a little later because sometimes the nodes are not immediately created
-  if (this._timerBindPictureNavigation) clearTimeout(this._timerBindPictureNavigation);
-  this._timerBindPictureNavigation = null;
-  if (marker.pwg.images.length>1)
-    this._timerBindPictureNavigation = setTimeout( this._onTimeoutBindPictureNavigation.bind(this, marker), 250 );
+        var content = "";
+        if ( !marker.currentImageIndex )
+                marker.currentImageIndex = 0;
+        content += '<div class="gmiw_header" style="' + (marker.pwg.images.length>1 ? '': 'display:none')+ '">';
+        content += '<span id="pwgImageCounters">'+this.buildCurrentPictureCounterHtml(marker)+'</span> ';
+        content += '<a href="javascript:void(0);" id="'+this._navHtmlIds[0]+'">';
+        content +=    '<span>'+ "&laquo; " + Localization.get('Prev') + '</span>';
+        content += '</a>';
+        content += " ";
+        content += '<a href="javascript:void(0);" id="'+this._navHtmlIds[1]+'">';
+        content +=    '<span>'+Localization.get('Next') + " &raquo;"+'</span>';
+        content += '</a>';
+        content += " ";
+        var imgShowAll = '';
+        if (this.options.show_all_img_src)
+                imgShowAll = '<img src="'+this.options.show_all_img_src+'" alt="" style="border:0" /> ';
+        content += '<a id="pwgImageBlowup" href="'+marker.pwg.blowup_url+'" onclick="return PwgDataHandler.blowupUrl(this.href);" title='+Localization.getQ('show all pictures around this location')+'>'+
+                                                imgShowAll+ '<span>'+Localization.get('Show all')+'</span>'+
+                                        '</a>';
+        content += '</div>';
+        content += '<div id="pwgImageDetail">' + this.buildCurrentPictureHtml( marker ) + '</div>';
+
+        marker.openInfoWindowHtml( content );
+
+        // bind to next / prev a little later because sometimes the nodes are not immediately created
+        if (this._timerBindPictureNavigation) clearTimeout(this._timerBindPictureNavigation);
+        this._timerBindPictureNavigation = null;
+        if (marker.pwg.images.length>1)
+                this._timerBindPictureNavigation = setTimeout( this._onTimeoutBindPictureNavigation.bind(this, marker), 250 );
 },
 
 _onMarkerDblClick: function( marker )
 {
-  this._map.setCenter( marker.pwg.bounds.getCenter(), this._map.getBoundsZoomLevel( marker.pwg.bounds ) );
+        this._map.setCenter( marker.pwg.bounds.getCenter(), this._map.getBoundsZoomLevel( marker.pwg.bounds ) );
 },
 
 buildCurrentPictureHtml: function( marker )
 {
-  var imageDetail = marker.pwg.images[marker.currentImageIndex];
-  var res = "";
-  res += '<div class="gmiw_imageTitle">' + imageDetail.name + "</div>";
-  res +=
+        var imageDetail = marker.pwg.images[marker.currentImageIndex];
+        var res = "";
+        res += '<div class="gmiw_imageTitle">' + imageDetail.name + "</div>";
+        res +=
 '<div class="gmiw_imageContent">' +
 '<div class="gmiw_imageWrap">'+
@@ -209 +209 @@
 '<div class="gmiw_imageComment">' + imageDetail.comment + '</div>' +
 '</div>';
-  return res;
+        return res;
 },
 
 buildCurrentPictureCounterHtml: function( marker )
 {
-  var res =
-    '<b>'+(marker.currentImageIndex+1)+'</b>'+
-    '/' +
-    '<b>'+marker.pwg.images.length+'</b>';
-  if (marker.pwg.nb_items>marker.pwg.images.length)
-    res+= " "+Localization.fmt1("out of %d", marker.pwg.nb_items );
-  return res;
+        var res =
+                '<b>'+(marker.currentImageIndex+1)+'</b>'+
+                '/' +
+                '<b>'+marker.pwg.images.length+'</b>';
+        if (marker.pwg.nb_items>marker.pwg.images.length)
+                res+= " "+Localization.fmt1("out of %d", marker.pwg.nb_items );
+        return res;
 },
 
@@ -226 +226 @@
 _onTimeoutBindPictureNavigation: function( marker )
 {
-  clearTimeout(this._timerBindPictureNavigation);
-  this._timerBindPictureNavigation = null;
-  this._map.getInfoWindow().pwgMarker = marker;
-  for (var i=0; i< this._navHtmlIds.length; i++)
-  {
-    var elt = document.getElementById( this._navHtmlIds[i] );
-    if (elt)
-      GEvent.addDomListener(elt, "click", this._onPictureNavigate.bind(this, marker, i) );
-  }
+        clearTimeout(this._timerBindPictureNavigation);
+        this._timerBindPictureNavigation = null;
+        this._map.getInfoWindow().pwgMarker = marker;
+        for (var i=0; i< this._navHtmlIds.length; i++)
+        {
+                var elt = document.getElementById( this._navHtmlIds[i] );
+                if (elt)
+                        google.maps.Event.addDomListener(elt, "click", this._onPictureNavigate.bind(this, marker, i) );
+        }
 },
 
 _onPictureNavigate: function(marker, dir )
 {
-  if (dir==0) dir=-1;
-  marker.currentImageIndex += dir;
-  if (marker.currentImageIndex<0)
-    marker.currentImageIndex = marker.pwg.images.length-1;
-  else if (marker.currentImageIndex >= marker.pwg.images.length)
-    marker.currentImageIndex = 0;
-
-  try {
-    var elt = document.getElementById( "pwgImageDetail" );
-    elt.innerHTML = this.buildCurrentPictureHtml( marker );
-  }
-  catch (e)
-  {
-    alert (e.message);
-  }
-
-  try {
-    var elt = document.getElementById( "pwgImageCounters" );
-    elt.innerHTML = this.buildCurrentPictureCounterHtml( marker );
-  }
-  catch (e)
-  {
-    alert (e.message);
-  }
-  return false;
+        if (dir==0) dir=-1;
+        marker.currentImageIndex += dir;
+        if (marker.currentImageIndex<0)
+                marker.currentImageIndex = marker.pwg.images.length-1;
+        else if (marker.currentImageIndex >= marker.pwg.images.length)
+                marker.currentImageIndex = 0;
+
+        try {
+                var elt = document.getElementById( "pwgImageDetail" );
+                elt.innerHTML = this.buildCurrentPictureHtml( marker );
+        }
+        catch (e)
+        {
+                alert (e.message);
+        }
+
+        try {
+                var elt = document.getElementById( "pwgImageCounters" );
+                elt.innerHTML = this.buildCurrentPictureCounterHtml( marker );
+        }
+        catch (e)
+        {
+                alert (e.message);
+        }
+        return false;
 }
 
@@ -270 +270 @@
 PwgDataHandler.blowupUrl = function(theUrl)
 {
-  var win = new Window({
-    title: document.title,
-    url: theUrl,
-    classname: "alphacube",
-    left: 0, top: 0,
-    width:"640", height:"480",
-    minimizable: false,
-    maximizable: false,
-    draggable: false,
-    resizable: false,
-    destroyOnClose: true,
-    hideEffect: Element.hide,
-    showEffectOptions: {duration:1.5}
-  });
-
-  win.setConstraint(true, {top:20, left:20, bottom:30, right:20} );
-  win.maximize();
-  win.showCenter(true, 20, 20);
-  return false;
+        var win = new Window({
+                title: document.title,
+                url: theUrl,
+                classname: "alphacube",
+                left: 0, top: 0,
+                width:"640", height:"480",
+                minimizable: false,
+                maximizable: false,
+                draggable: false,
+                resizable: false,
+                destroyOnClose: true,
+                hideEffect: Element.hide,
+                showEffectOptions: {duration:1.5}
+        });
+
+        win.setConstraint(true, {top:20, left:20, bottom:30, right:20} );
+        win.maximize();
+        win.showCenter(true, 20, 20);
+        return false;
 }
 
@@ -294 +294 @@
 String.prototype.urlNoHtm = function()
 {
-  return this.replace( "&amp;", "&" );
-}
+        return this.replace( "&amp;", "&" );
+}

extensions/rv_gmaps/trunk/template/data_loader.js

@@ -8 +8 @@
                 }
                 , opts || {} );
-        this.options.rectangle_of_confusion = new GSize( this.options.rectangle_of_confusion.width, this.options.rectangle_of_confusion.height );
+        this.options.rectangle_of_confusion = new google.maps.Size( this.options.rectangle_of_confusion.width, this.options.rectangle_of_confusion.height );
         if (this.options.rectangle_of_confusion.width<16) this.options.rectangle_of_confusion.width=16;
         if (this.options.rectangle_of_confusion.height<16) this.options.rectangle_of_confusion.height=16;
@@ -37 +37 @@
 {
         this._urlMapData = urlMapData;
-        GEvent.bind( this._map, "movestart", this, this.clearTimerReloadData );
-        GEvent.bind( this._map, "moveend", this, this._onMapMoveEnd );
+        google.maps.Event.bind( this._map, "movestart", this, this.clearTimerReloadData );
+        google.maps.Event.bind( this._map, "moveend", this, this._onMapMoveEnd );
         this._loadData();
 },
@@ -77 +77 @@
         var bounds = this._map.getBounds();
 
-        // BEGIN BUG in maps api 2.185 up to "today" 2.193 - when map wraps horizontally more than 360 deg - the getBounds is wrong
-        /*if ( this._map.getZoom() <= 2 || this._map.getZoom() == 3 && this._map.getSize().width > 1000 )
-        {
-                bounds = new GLatLngBounds(
-                                new GLatLng( bounds.getSouthWest().lat(),  -180 ),
-                                new GLatLng( bounds.getNorthEast().lat(),  180 )
-                        );
-        }*/
-        // END BUG
         var latRange = bounds.toSpan().lat();
         var latPrec = latRange * this.options.rectangle_of_confusion.height / this._map.getSize().height;
@@ -107 +98 @@
                                         )
                                 {
-                                        if (document.is_debug) GLog.write('no load: zoom crt: '+this._map.getZoom()+'; prev: '+this._previousLoadDataReq.zoom+'; target: '+this._map.getBoundsZoomLevel(this._previousLoadDataReq.resultBounds));
+                                        if (document.is_debug) google.maps.Log.write('no load: zoom crt: '+this._map.getZoom()+'; prev: '+this._previousLoadDataReq.zoom+'; target: '+this._map.getBoundsZoomLevel(this._previousLoadDataReq.resultBounds));
                                         return;
                                 }
@@ -129 +120 @@
         }
         var digits = Math.max( getLatLonDigits(latRange,4,2), getLatLonDigits(lonRange,4,2) );
-        var box = new GLatLngBounds(
-                        new GLatLng( Math.roundN(bounds.getSouthWest().lat()-sd,digits), Math.roundN( bounds.getSouthWest().lng()-wd,digits ) ),
-                        new GLatLng( Math.roundN(bounds.getNorthEast().lat()+nd,digits), Math.roundN( bounds.getNorthEast().lng()+ed,digits) )
-                );
+        /*var box = new google.maps.LatLngBounds(
+                        new google.maps.LatLng( Math.roundN(bounds.getSouthWest().lat()-sd,digits), Math.roundN( bounds.getSouthWest().lng()-wd,digits ) ),
+                        new google.maps.LatLng( Math.roundN(bounds.getNorthEast().lat()+nd,digits), Math.roundN( bounds.getNorthEast().lng()+ed,digits) )
+                );*/
+        var box = new google.maps.LatLngBounds( bounds.getSouthWest(), bounds.getNorthEast() );
+        box.extend( new google.maps.LatLng( Math.roundN(bounds.getSouthWest().lat()-sd,digits), Math.roundN( bounds.getSouthWest().lng()-wd,digits ) ) );
+        box.extend( new google.maps.LatLng( Math.roundN(bounds.getNorthEast().lat()+nd,digits), Math.roundN( bounds.getNorthEast().lng()+ed,digits) ) );
 
         var url = this._urlMapData;
@@ -140 +134 @@
 
         if (document.is_debug) {
-                GLog.write( "bounds: " + this._map.getBounds().getSouthWest().toUrlValue() + " " + this._map.getBounds().getNorthEast().toUrlValue() +"; zoom: "+this._map.getZoom() +"; size: "+this._map.getSize().toString() +"; c: "+this._map.getCenter().toUrlValue() );
-                GLog.writeUrl( url );
+                google.maps.Log.write("sd="+sd+" wd="+wd+" nd="+nd+" ed="+ed);
+                google.maps.Log.write( "bounds: " + this._map.getBounds().getSouthWest().toUrlValue() + " " + this._map.getBounds().getNorthEast().toUrlValue() +"; zoom: "+this._map.getZoom() +"; size: "+this._map.getSize().toString() +"; c: "+this._map.getCenter().toUrlValue() );
+                google.maps.Log.writeUrl( url );
         }
 
@@ -150 +145 @@
 
         try {
-                GEvent.trigger( this, "dataloading" );
+                google.maps.Event.trigger( this, "dataloading" );
                 GDownloadUrl(url, this._onDataReceived.bind(this) );
         }
@@ -156 +151 @@
                 this._dataLoading = false;
                 this._previousLoadDataReq.box=null;
-                GEvent.trigger( this, "dataloadfailed", 600, e );
+                google.maps.Event.trigger( this, "dataloadfailed", 600, e );
         }
 },
@@ -168 +163 @@
                 {
                         this._previousLoadDataReq.box=null;
-                        GEvent.trigger( this, "dataloadfailed", responseCode, null );
+                        google.maps.Event.trigger( this, "dataloadfailed", responseCode, null );
                 }
                 else
@@ -178 +173 @@
 
                         this._previousLoadDataReq.resultBounds = resp.bounds;
-                        if (document.is_debug && resp.debug) GLog.write( resp.debug );
-                        GEvent.trigger( this, "dataloaded", resp );
+                        if (document.is_debug && resp.debug) google.maps.Log.write( resp.debug );
+                        google.maps.Event.trigger( this, "dataloaded", resp );
                 }
                 catch (e)       {
                         this._previousLoadDataReq.box=null;
-                        GEvent.trigger( this, "dataloadfailed", responseCode, e );
+                        google.maps.Event.trigger( this, "dataloadfailed", responseCode, e );
                         var s = e.message;
                         s += '\n' + data.substr(0,1000);

extensions/rv_gmaps/trunk/template/map.tpl

@@ -24 +24 @@
 <script src="{$PLUGIN_ROOT_URL}/template/page_linker.js?v={$RVM_PLUGIN_VERSION}" type="text/javascript"></script>
 
-<script src="{$PLUGIN_ROOT_URL}/template/windows_13/javascripts/prototype.js" type="text/javascript"></script>
+{* <script src="{$PLUGIN_ROOT_URL}/template/windows_13/javascripts/prototype.js" type="text/javascript"></script> *}
+<script src="http://ajax.googleapis.com/ajax/libs/prototype/1.6.1.0/prototype.js" type="text/javascript"></script>
 <link href="{$PLUGIN_ROOT_URL}/template/windows_13/themes/default.css" rel="stylesheet" type="text/css" />
 <link href="{$PLUGIN_ROOT_URL}/template/windows_13/themes/alphacube.css" rel="stylesheet" type="text/css" />

extensions/rv_gmaps/trunk/template/page_linker.js

@@ -6 +6 @@
   PageLinker.url2Map( map );
   
-  GEvent.bind( this._map, "maptypechanged", this, this._regenerateUrl );
-  GEvent.bind( this._map, "moveend", this, this._regenerateUrl );
+  google.maps.Event.bind( this._map, "maptypechanged", this, this._regenerateUrl );
+  google.maps.Event.bind( this._map, "moveend", this, this._regenerateUrl );
   if ( this._map.isLoaded() )
     this._regenerateUrl();
@@ -70 +70 @@
     if (ll.length==2)
     {
-      var center = new GLatLng( ll[0], ll[1] );
+      var center = new google.maps.LatLng( ll[0], ll[1] );
       map.setCenter( center, zoom, mapType );
     }

extensions/rv_gmaps/trunk/template/picture_map_content.tpl

@@ -1 +1 @@
 {html_head}
 <script src="http://maps.google.com/maps?file=api&amp;v=2&amp;key={$GMAPS_API_KEY}&amp;hl={$lang_info.code}" type="text/javascript"></script>
-<script src="{$PLUGIN_ROOT_URL}/template/windows_13/javascripts/prototype.js" type="text/javascript"></script>
+{* <script src="{$PLUGIN_ROOT_URL}/template/windows_13/javascripts/prototype.js" type="text/javascript"></script> *}
+<script src="http://ajax.googleapis.com/ajax/libs/prototype/1.6.1.0/prototype.js" type="text/javascript"></script>
 <script src="{$PLUGIN_ROOT_URL}/template/windows_13/javascripts/window.js" type="text/javascript" defer="defer"></script>
 <link href="{$PLUGIN_ROOT_URL}/template/windows_13/themes/default.css" rel="stylesheet" type="text/css">
@@ -40 +41 @@
 function onLoad()
 {
-  if (!GBrowserIsCompatible())
-    return;
+        if (!GBrowserIsCompatible())
+                return;
 
-  var mapElement = document.getElementById("map");
-  var map = new GMap2( mapElement );
-  
-  map.addControl(new GLargeMapControl());
-  map.addControl(new GMapTypeControl());
-  map.addControl(new GScaleControl());
-{/literal}{if isset($coordinates)}
-  var coord = new GLatLng( {$coordinates.LAT}, {$coordinates.LON} );
-  map.setCenter( coord, 12 );
-  var marker = new GMarker(coord);
-  map.addOverlay(marker);
-{/if}{literal}
-  if ( !map.isLoaded() )
-    map.setCenter( new GLatLng(0,0), 2);
-  try {
-    // the overview must be added after setting map center
-    var ovcontrol = new GOverviewMapControl(new GSize(165,165));
+        var mapElement = document.getElementById("map");
+        var map = new GMap2( mapElement );
+
+        map.addControl(new GLargeMapControl());
+        map.addControl(new GMapTypeControl());
+        map.addControl(new GScaleControl());
+        {/literal}{if isset($coordinates)}
+        var coord = new google.maps.LatLng( {$coordinates.LAT}, {$coordinates.LON} );
+        map.setCenter( coord, 12 );
+        var marker = new google.maps.Marker(coord);
+        map.addOverlay(marker);
+        {/if}{literal}
+        if ( !map.isLoaded() )
+                map.setCenter( new google.maps.LatLng(0,0), 2);
+        try {
+                // the overview must be added after setting map center
+                var ovcontrol = new GOverviewMapControl(new GSize(165,165));
                 map.addControl(ovcontrol);
                 var ov_map = ovcontrol.getOverviewMap();
-                GEvent.addListener(map, 'maptypechanged', function(){
+                google.maps.Event.addListener(map, 'maptypechanged', function(){
                         ov_map.setMapType(G_NORMAL_MAP);
                 });
   }
-  catch(e){ alert( e.message ); }
-  
-  map.enableDoubleClickZoom();
+        catch(e){ alert( e.message ); }
+
+        map.enableDoubleClickZoom();
 }
 
 function blowupUrl(theUrl)
 {
-  var win = new Window({
-    title: document.title,
-    url: theUrl,
-    classname: "alphacube",
-    left: 0, top: 0,
-    width:"640", height:"480",
-    minimizable: false,
-    maximizable: false,
-    draggable: false,
-    resizable: false,
-    destroyOnClose: true,
-    hideEffect: Element.hide,
-    showEffectOptions: {duration:1.5}
-  });
+        var win = new Window({
+                title: document.title,
+                url: theUrl,
+                classname: "alphacube",
+                left: 0, top: 0,
+                width:"640", height:"480",
+                minimizable: false,
+                maximizable: false,
+                draggable: false,
+                resizable: false,
+                destroyOnClose: true,
+                hideEffect: Element.hide,
+                showEffectOptions: {duration:1.5}
+        });
 
-  win.setConstraint(true, {top:20, left:20, bottom:30, right:20} );
-  win.maximize();
-  win.showCenter(true, 20, 20);
-  return false;
+        win.setConstraint(true, {top:20, left:20, bottom:30, right:20} );
+        win.maximize();
+        win.showCenter(true, 20, 20);
+        return false;
 }
 

extensions/rv_gmaps/trunk/template/windows_13/javascripts/prototype.js

@@ -1 @@
-/*  Prototype JavaScript framework, version 1.6.0.2
- *  (c) 2005-2008 Sam Stephenson
+/*  Prototype JavaScript framework, version 1.6.1
+ *  (c) 2005-2009 Sam Stephenson
  *
  *  Prototype is freely distributable under the terms of an MIT-style license.
@@ -8 +8 @@
 
 var Prototype = {
-  Version: '1.6.0.2',
-
-  Browser: {
-    IE:     !!(window.attachEvent && !window.opera),
-    Opera:  !!window.opera,
-    WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
-    Gecko:  navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1,
-    MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
-  },
+  Version: '1.6.1',
+
+  Browser: (function(){
+    var ua = navigator.userAgent;
+    var isOpera = Object.prototype.toString.call(window.opera) == '[object Opera]';
+    return {
+      IE:             !!window.attachEvent && !isOpera,
+      Opera:          isOpera,
+      WebKit:         ua.indexOf('AppleWebKit/') > -1,
+      Gecko:          ua.indexOf('Gecko') > -1 && ua.indexOf('KHTML') === -1,
+      MobileSafari:   /Apple.*Mobile.*Safari/.test(ua)
+    }
+  })(),
 
   BrowserFeatures: {
     XPath: !!document.evaluate,
-    ElementExtensions: !!window.HTMLElement,
-    SpecificElementExtensions:
-      document.createElement('div').__proto__ &&
-      document.createElement('div').__proto__ !==
-        document.createElement('form').__proto__
+    SelectorsAPI: !!document.querySelector,
+    ElementExtensions: (function() {
+      var constructor = window.Element || window.HTMLElement;
+      return !!(constructor && constructor.prototype);
+    })(),
+    SpecificElementExtensions: (function() {
+      if (typeof window.HTMLDivElement !== 'undefined')
+        return true;
+
+      var div = document.createElement('div');
+      var form = document.createElement('form');
+      var isSupported = false;
+
+      if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])) {
+        isSupported = true;
+      }
+
+      div = form = null;
+
+      return isSupported;
+    })()
   },
 
@@ -38 +58 @@
 
 
+var Abstract = { };
+
+
+var Try = {
+  these: function() {
+    var returnValue;
+
+    for (var i = 0, length = arguments.length; i < length; i++) {
+      var lambda = arguments[i];
+      try {
+        returnValue = lambda();
+        break;
+      } catch (e) { }
+    }
+
+    return returnValue;
+  }
+};
+
 /* Based on Alex Arnell's inheritance implementation. */
-var Class = {
-  create: function() {
+
+var Class = (function() {
+  function subclass() {};
+  function create() {
     var parent = null, properties = $A(arguments);
     if (Object.isFunction(properties[0]))
@@ -54 +95 @@
 
     if (parent) {
-      var subclass = function() { };
       subclass.prototype = parent.prototype;
       klass.prototype = new subclass;
@@ -67 +107 @@
 
     klass.prototype.constructor = klass;
-
     return klass;
   }
-};
-
-Class.Methods = {
-  addMethods: function(source) {
+
+  function addMethods(source) {
     var ancestor   = this.superclass && this.superclass.prototype;
     var properties = Object.keys(source);
 
-    if (!Object.keys({ toString: true }).length)
-      properties.push("toString", "valueOf");
+    if (!Object.keys({ toString: true }).length) {
+      if (source.toString != Object.prototype.toString)
+        properties.push("toString");
+      if (source.valueOf != Object.prototype.valueOf)
+        properties.push("valueOf");
+    }
 
     for (var i = 0, length = properties.length; i < length; i++) {
@@ -84 +125 @@
       if (ancestor && Object.isFunction(value) &&
           value.argumentNames().first() == "$super") {
-        var method = value, value = Object.extend((function(m) {
-          return function() { return ancestor[m].apply(this, arguments) };
-        })(property).wrap(method), {
-          valueOf:  function() { return method },
-          toString: function() { return method.toString() }
-        });
+        var method = value;
+        value = (function(m) {
+          return function() { return ancestor[m].apply(this, arguments); };
+        })(property).wrap(method);
+
+        value.valueOf = method.valueOf.bind(method);
+        value.toString = method.toString.bind(method);
       }
       this.prototype[property] = value;
@@ -96 +138 @@
     return this;
   }
-};
-
-var Abstract = { };
-
-Object.extend = function(destination, source) {
-  for (var property in source)
-    destination[property] = source[property];
-  return destination;
-};
-
-Object.extend(Object, {
-  inspect: function(object) {
+
+  return {
+    create: create,
+    Methods: {
+      addMethods: addMethods
+    }
+  };
+})();
+(function() {
+
+  var _toString = Object.prototype.toString;
+
+  function extend(destination, source) {
+    for (var property in source)
+      destination[property] = source[property];
+    return destination;
+  }
+
+  function inspect(object) {
     try {
-      if (Object.isUndefined(object)) return 'undefined';
+      if (isUndefined(object)) return 'undefined';
       if (object === null) return 'null';
       return object.inspect ? object.inspect() : String(object);
@@ -116 +165 @@
       throw e;
     }
-  },
-
-  toJSON: function(object) {
+  }
+
+  function toJSON(object) {
     var type = typeof object;
     switch (type) {
@@ -129 +178 @@
     if (object === null) return 'null';
     if (object.toJSON) return object.toJSON();
-    if (Object.isElement(object)) return;
+    if (isElement(object)) return;
 
     var results = [];
     for (var property in object) {
-      var value = Object.toJSON(object[property]);
-      if (!Object.isUndefined(value))
+      var value = toJSON(object[property]);
+      if (!isUndefined(value))
         results.push(property.toJSON() + ': ' + value);
     }
 
     return '{' + results.join(', ') + '}';
-  },
-
-  toQueryString: function(object) {
+  }
+
+  function toQueryString(object) {
     return $H(object).toQueryString();
-  },
-
-  toHTML: function(object) {
+  }
+
+  function toHTML(object) {
     return object && object.toHTML ? object.toHTML() : String.interpret(object);
-  },
-
-  keys: function(object) {
-    var keys = [];
+  }
+
+  function keys(object) {
+    var results = [];
     for (var property in object)
-      keys.push(property);
-    return keys;
-  },
-
-  values: function(object) {
-    var values = [];
+      results.push(property);
+    return results;
+  }
+
+  function values(object) {
+    var results = [];
     for (var property in object)
-      values.push(object[property]);
-    return values;
-  },
-
-  clone: function(object) {
-    return Object.extend({ }, object);
-  },
-
-  isElement: function(object) {
-    return object && object.nodeType == 1;
-  },
-
-  isArray: function(object) {
-    return object != null && typeof object == "object" &&
-      'splice' in object && 'join' in object;
-  },
-
-  isHash: function(object) {
+      results.push(object[property]);
+    return results;
+  }
+
+  function clone(object) {
+    return extend({ }, object);
+  }
+
+  function isElement(object) {
+    return !!(object && object.nodeType == 1);
+  }
+
+  function isArray(object) {
+    return _toString.call(object) == "[object Array]";
+  }
+
+
+  function isHash(object) {
     return object instanceof Hash;
-  },
-
-  isFunction: function(object) {
-    return typeof object == "function";
-  },
-
-  isString: function(object) {
-    return typeof object == "string";
-  },
-
-  isNumber: function(object) {
-    return typeof object == "number";
-  },
-
-  isUndefined: function(object) {
-    return typeof object == "undefined";
-  }
-});
-
-Object.extend(Function.prototype, {
-  argumentNames: function() {
-    var names = this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip");
+  }
+
+  function isFunction(object) {
+    return typeof object === "function";
+  }
+
+  function isString(object) {
+    return _toString.call(object) == "[object String]";
+  }
+
+  function isNumber(object) {
+    return _toString.call(object) == "[object Number]";
+  }
+
+  function isUndefined(object) {
+    return typeof object === "undefined";
+  }
+
+  extend(Object, {
+    extend:        extend,
+    inspect:       inspect,
+    toJSON:        toJSON,
+    toQueryString: toQueryString,
+    toHTML:        toHTML,
+    keys:          keys,
+    values:        values,
+    clone:         clone,
+    isElement:     isElement,
+    isArray:       isArray,
+    isHash:        isHash,
+    isFunction:    isFunction,
+    isString:      isString,
+    isNumber:      isNumber,
+    isUndefined:   isUndefined
+  });
+})();
+Object.extend(Function.prototype, (function() {
+  var slice = Array.prototype.slice;
+
+  function update(array, args) {
+    var arrayLength = array.length, length = args.length;
+    while (length--) array[arrayLength + length] = args[length];
+    return array;
+  }
+
+  function merge(array, args) {
+    array = slice.call(array, 0);
+    return update(array, args);
+  }
+
+  function argumentNames() {
+    var names = this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1]
+      .replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g, '')
+      .replace(/\s+/g, '').split(',');
     return names.length == 1 && !names[0] ? [] : names;
-  },
-
-  bind: function() {
+  }
+
+  function bind(context) {
     if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
-    var __method = this, args = $A(arguments), object = args.shift();
+    var __method = this, args = slice.call(arguments, 1);
     return function() {
-      return __method.apply(object, args.concat($A(arguments)));
-    }
-  },
-
-  bindAsEventListener: function() {
-    var __method = this, args = $A(arguments), object = args.shift();
+      var a = merge(args, arguments);
+      return __method.apply(context, a);
+    }
+  }
+
+  function bindAsEventListener(context) {
+    var __method = this, args = slice.call(arguments, 1);
     return function(event) {
-      return __method.apply(object, [event || window.event].concat(args));
-    }
-  },
-
-  curry: function() {
+      var a = update([event || window.event], args);
+      return __method.apply(context, a);
+    }
+  }
+
+  function curry() {
     if (!arguments.length) return this;
-    var __method = this, args = $A(arguments);
+    var __method = this, args = slice.call(arguments, 0);
     return function() {
-      return __method.apply(this, args.concat($A(arguments)));
-    }
-  },
-
-  delay: function() {
-    var __method = this, args = $A(arguments), timeout = args.shift() * 1000;
+      var a = merge(args, arguments);
+      return __method.apply(this, a);
+    }
+  }
+
+  function delay(timeout) {
+    var __method = this, args = slice.call(arguments, 1);
+    timeout = timeout * 1000
     return window.setTimeout(function() {
       return __method.apply(__method, args);
     }, timeout);
-  },
-
-  wrap: function(wrapper) {
+  }
+
+  function defer() {
+    var args = update([0.01], arguments);
+    return this.delay.apply(this, args);
+  }
+
+  function wrap(wrapper) {
     var __method = this;
     return function() {
-      return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));
-    }
-  },
-
-  methodize: function() {
+      var a = update([__method.bind(this)], arguments);
+      return wrapper.apply(this, a);
+    }
+  }
+
+  function methodize() {
     if (this._methodized) return this._methodized;
     var __method = this;
     return this._methodized = function() {
-      return __method.apply(null, [this].concat($A(arguments)));
+      var a = update([this], arguments);
+      return __method.apply(null, a);
     };
   }
-});
-
-Function.prototype.defer = Function.prototype.delay.curry(0.01);
+
+  return {
+    argumentNames:       argumentNames,
+    bind:                bind,
+    bindAsEventListener: bindAsEventListener,
+    curry:               curry,
+    delay:               delay,
+    defer:               defer,
+    wrap:                wrap,
+    methodize:           methodize
+  }
+})());
+
 
 Date.prototype.toJSON = function() {
@@ -260 +362 @@
 };
 
-var Try = {
-  these: function() {
-    var returnValue;
-
-    for (var i = 0, length = arguments.length; i < length; i++) {
-      var lambda = arguments[i];
-      try {
-        returnValue = lambda();
-        break;
-      } catch (e) { }
-    }
-
-    return returnValue;
-  }
-};
 
 RegExp.prototype.match = RegExp.prototype.test;
@@ -281 +368 @@
   return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
 };
-
-/*--------------------------------------------------------------------------*/
-
 var PeriodicalExecuter = Class.create({
   initialize: function(callback, frequency) {
@@ -312 +396 @@
         this.currentlyExecuting = true;
         this.execute();
-      } finally {
         this.currentlyExecuting = false;
+      } catch(e) {
+        this.currentlyExecuting = false;
+        throw e;
       }
     }
@@ -332 +418 @@
 });
 
-Object.extend(String.prototype, {
-  gsub: function(pattern, replacement) {
+Object.extend(String.prototype, (function() {
+
+  function prepareReplacement(replacement) {
+    if (Object.isFunction(replacement)) return replacement;
+    var template = new Template(replacement);
+    return function(match) { return template.evaluate(match) };
+  }
+
+  function gsub(pattern, replacement) {
     var result = '', source = this, match;
-    replacement = arguments.callee.prepareReplacement(replacement);
+    replacement = prepareReplacement(replacement);
+
+    if (Object.isString(pattern))
+      pattern = RegExp.escape(pattern);
+
+    if (!(pattern.length || pattern.source)) {
+      replacement = replacement('');
+      return replacement + source.split('').join(replacement) + replacement;
+    }
 
     while (source.length > 0) {
@@ -347 +448 @@
     }
     return result;
-  },
-
-  sub: function(pattern, replacement, count) {
-    replacement = this.gsub.prepareReplacement(replacement);
+  }
+
+  function sub(pattern, replacement, count) {
+    replacement = prepareReplacement(replacement);
     count = Object.isUndefined(count) ? 1 : count;
 
@@ -357 +458 @@
       return replacement(match);
     });
-  },
-
-  scan: function(pattern, iterator) {
+  }
+
+  function scan(pattern, iterator) {
     this.gsub(pattern, iterator);
     return String(this);
-  },
-
-  truncate: function(length, truncation) {
+  }
+
+  function truncate(length, truncation) {
     length = length || 30;
     truncation = Object.isUndefined(truncation) ? '...' : truncation;
     return this.length > length ?
       this.slice(0, length - truncation.length) + truncation : String(this);
-  },
-
-  strip: function() {
+  }
+
+  function strip() {
     return this.replace(/^\s+/, '').replace(/\s+$/, '');
-  },
-
-  stripTags: function() {
-    return this.replace(/<\/?[^>]+>/gi, '');
-  },
-
-  stripScripts: function() {
+  }
+
+  function stripTags() {
+    return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi, '');
+  }
+
+  function stripScripts() {
     return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
-  },
-
-  extractScripts: function() {
+  }
+
+  function extractScripts() {
     var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
     var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
@@ -389 +490 @@
       return (scriptTag.match(matchOne) || ['', ''])[1];
     });
-  },
-
-  evalScripts: function() {
+  }
+
+  function evalScripts() {
     return this.extractScripts().map(function(script) { return eval(script) });
-  },
-
-  escapeHTML: function() {
-    var self = arguments.callee;
-    self.text.data = this;
-    return self.div.innerHTML;
-  },
-
-  unescapeHTML: function() {
-    var div = new Element('div');
-    div.innerHTML = this.stripTags();
-    return div.childNodes[0] ? (div.childNodes.length > 1 ?
-      $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
-      div.childNodes[0].nodeValue) : '';
-  },
-
-  toQueryParams: function(separator) {
+  }
+
+  function escapeHTML() {
+    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
+  }
+
+  function unescapeHTML() {
+    return this.stripTags().replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&amp;/g,'&');
+  }
+
+
+  function toQueryParams(separator) {
     var match = this.strip().match(/([^?#]*)(#.*)?$/);
     if (!match) return { };
@@ -427 +523 @@
       return hash;
     });
-  },
-
-  toArray: function() {
+  }
+
+  function toArray() {
     return this.split('');
-  },
-
-  succ: function() {
+  }
+
+  function succ() {
     return this.slice(0, this.length - 1) +
       String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
-  },
-
-  times: function(count) {
+  }
+
+  function times(count) {
     return count < 1 ? '' : new Array(count + 1).join(this);
-  },
-
-  camelize: function() {
+  }
+
+  function camelize() {
     var parts = this.split('-'), len = parts.length;
     if (len == 1) return parts[0];
@@ -454 +550 @@
 
     return camelized;
-  },
-
-  capitalize: function() {
+  }
+
+  function capitalize() {
     return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
-  },
-
-  underscore: function() {
-    return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
-  },
-
-  dasherize: function() {
-    return this.gsub(/_/,'-');
-  },
-
-  inspect: function(useDoubleQuotes) {
-    var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
-      var character = String.specialChar[match[0]];
-      return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
+  }
+
+  function underscore() {
+    return this.replace(/::/g, '/')
+               .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
+               .replace(/([a-z\d])([A-Z])/g, '$1_$2')
+               .replace(/-/g, '_')
+               .toLowerCase();
+  }
+
+  function dasherize() {
+    return this.replace(/_/g, '-');
+  }
+
+  function inspect(useDoubleQuotes) {
+    var escapedString = this.replace(/[\x00-\x1f\\]/g, function(character) {
+      if (character in String.specialChar) {
+        return String.specialChar[character];
+      }
+      return '\\u00' + character.charCodeAt().toPaddedString(2, 16);
     });
     if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
     return "'" + escapedString.replace(/'/g, '\\\'') + "'";
-  },
-
-  toJSON: function() {
+  }
+
+  function toJSON() {
     return this.inspect(true);
-  },
-
-  unfilterJSON: function(filter) {
-    return this.sub(filter || Prototype.JSONFilter, '#{1}');
-  },
-
-  isJSON: function() {
+  }
+
+  function unfilterJSON(filter) {
+    return this.replace(filter || Prototype.JSONFilter, '$1');
+  }
+
+  function isJSON() {
     var str = this;
     if (str.blank()) return false;
     str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
     return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
-  },
-
-  evalJSON: function(sanitize) {
+  }
+
+  function evalJSON(sanitize) {
     var json = this.unfilterJSON();
     try {
@@ -498 +600 @@
     } catch (e) { }
     throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
-  },
-
-  include: function(pattern) {
+  }
+
+  function include(pattern) {
     return this.indexOf(pattern) > -1;
-  },
-
-  startsWith: function(pattern) {
+  }
+
+  function startsWith(pattern) {
     return this.indexOf(pattern) === 0;
-  },
-
-  endsWith: function(pattern) {
+  }
+
+  function endsWith(pattern) {
     var d = this.length - pattern.length;
     return d >= 0 && this.lastIndexOf(pattern) === d;
-  },
-
-  empty: function() {
+  }
+
+  function empty() {
     return this == '';
-  },
-
-  blank: function() {
+  }
+
+  function blank() {
     return /^\s*$/.test(this);
-  },
-
-  interpolate: function(object, pattern) {
+  }
+
+  function interpolate(object, pattern) {
     return new Template(this, pattern).evaluate(object);
   }
-});
-
-if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
-  escapeHTML: function() {
-    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
-  },
-  unescapeHTML: function() {
-    return this.replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>');
-  }
-});
-
-String.prototype.gsub.prepareReplacement = function(replacement) {
-  if (Object.isFunction(replacement)) return replacement;
-  var template = new Template(replacement);
-  return function(match) { return template.evaluate(match) };
-};
-
-String.prototype.parseQuery = String.prototype.toQueryParams;
-
-Object.extend(String.prototype.escapeHTML, {
-  div:  document.createElement('div'),
-  text: document.createTextNode('')
-});
-
-with (String.prototype.escapeHTML) div.appendChild(text);
+
+  return {
+    gsub:           gsub,
+    sub:            sub,
+    scan:           scan,
+    truncate:       truncate,
+    strip:          String.prototype.trim ? String.prototype.trim : strip,
+    stripTags:      stripTags,
+    stripScripts:   stripScripts,
+    extractScripts: extractScripts,
+    evalScripts:    evalScripts,
+    escapeHTML:     escapeHTML,
+    unescapeHTML:   unescapeHTML,
+    toQueryParams:  toQueryParams,
+    parseQuery:     toQueryParams,
+    toArray:        toArray,
+    succ:           succ,
+    times:          times,
+    camelize:       camelize,
+    capitalize:     capitalize,
+    underscore:     underscore,
+    dasherize:      dasherize,
+    inspect:        inspect,
+    toJSON:         toJSON,
+    unfilterJSON:   unfilterJSON,
+    isJSON:         isJSON,
+    evalJSON:       evalJSON,
+    include:        include,
+    startsWith:     startsWith,
+    endsWith:       endsWith,
+    empty:          empty,
+    blank:          blank,
+    interpolate:    interpolate
+  };
+})());
 
 var Template = Class.create({
@@ -557 +669 @@
 
   evaluate: function(object) {
-    if (Object.isFunction(object.toTemplateReplacements))
+    if (object && Object.isFunction(object.toTemplateReplacements))
       object = object.toTemplateReplacements();
 
     return this.template.gsub(this.pattern, function(match) {
-      if (object == null) return '';
+      if (object == null) return (match[1] + '');
 
       var before = match[1] || '';
@@ -572 +684 @@
 
       while (match != null) {
-        var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1];
+        var comp = match[1].startsWith('[') ? match[2].replace(/\\\\]/g, ']') : match[1];
         ctx = ctx[comp];
         if (null == ctx || '' == match[3]) break;
@@ -587 +699 @@
 var $break = { };
 
-var Enumerable = {
-  each: function(iterator, context) {
+var Enumerable = (function() {
+  function each(iterator, context) {
     var index = 0;
-    iterator = iterator.bind(context);
     try {
       this._each(function(value) {
-        iterator(value, index++);
+        iterator.call(context, value, index++);
       });
     } catch (e) {
@@ -599 +710 @@
     }
     return this;
-  },
-
-  eachSlice: function(number, iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
+  }
+
+  function eachSlice(number, iterator, context) {
     var index = -number, slices = [], array = this.toArray();
+    if (number < 1) return array;
     while ((index += number) < array.length)
       slices.push(array.slice(index, index+number));
     return slices.collect(iterator, context);
-  },
-
-  all: function(iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
+  }
+
+  function all(iterator, context) {
+    iterator = iterator || Prototype.K;
     var result = true;
     this.each(function(value, index) {
-      result = result && !!iterator(value, index);
+      result = result && !!iterator.call(context, value, index);
       if (!result) throw $break;
     });
     return result;
-  },
-
-  any: function(iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
+  }
+
+  function any(iterator, context) {
+    iterator = iterator || Prototype.K;
     var result = false;
     this.each(function(value, index) {
-      if (result = !!iterator(value, index))
+      if (result = !!iterator.call(context, value, index))
         throw $break;
     });
     return result;
-  },
-
-  collect: function(iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
+  }
+
+  function collect(iterator, context) {
+    iterator = iterator || Prototype.K;
     var results = [];
     this.each(function(value, index) {
-      results.push(iterator(value, index));
+      results.push(iterator.call(context, value, index));
     });
     return results;
-  },
-
-  detect: function(iterator, context) {
-    iterator = iterator.bind(context);
+  }
+
+  function detect(iterator, context) {
     var result;
     this.each(function(value, index) {
-      if (iterator(value, index)) {
+      if (iterator.call(context, value, index)) {
         result = value;
         throw $break;
@@ -648 +758 @@
     });
     return result;
-  },
-
-  findAll: function(iterator, context) {
-    iterator = iterator.bind(context);
+  }
+
+  function findAll(iterator, context) {
     var results = [];
     this.each(function(value, index) {
-      if (iterator(value, index))
+      if (iterator.call(context, value, index))
         results.push(value);
     });
     return results;
-  },
-
-  grep: function(filter, iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
+  }
+
+  function grep(filter, iterator, context) {
+    iterator = iterator || Prototype.K;
     var results = [];
 
     if (Object.isString(filter))
-      filter = new RegExp(filter);
+      filter = new RegExp(RegExp.escape(filter));
 
     this.each(function(value, index) {
       if (filter.match(value))
-        results.push(iterator(value, index));
+        results.push(iterator.call(context, value, index));
     });
     return results;
-  },
-
-  include: function(object) {
+  }
+
+  function include(object) {
     if (Object.isFunction(this.indexOf))
       if (this.indexOf(object) != -1) return true;
@@ -686 +795 @@
     });
     return found;
-  },
-
-  inGroupsOf: function(number, fillWith) {
+  }
+
+  function inGroupsOf(number, fillWith) {
     fillWith = Object.isUndefined(fillWith) ? null : fillWith;
     return this.eachSlice(number, function(slice) {
@@ -694 +803 @@
       return slice;
     });
-  },
-
-  inject: function(memo, iterator, context) {
-    iterator = iterator.bind(context);
+  }
+
+  function inject(memo, iterator, context) {
     this.each(function(value, index) {
-      memo = iterator(memo, value, index);
+      memo = iterator.call(context, memo, value, index);
     });
     return memo;
-  },
-
-  invoke: function(method) {
+  }
+
+  function invoke(method) {
     var args = $A(arguments).slice(1);
     return this.map(function(value) {
       return value[method].apply(value, args);
     });
-  },
-
-  max: function(iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
+  }
+
+  function max(iterator, context) {
+    iterator = iterator || Prototype.K;
     var result;
     this.each(function(value, index) {
-      value = iterator(value, index);
+      value = iterator.call(context, value, index);
       if (result == null || value >= result)
         result = value;
     });
     return result;
-  },
-
-  min: function(iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
+  }
+
+  function min(iterator, context) {
+    iterator = iterator || Prototype.K;
     var result;
     this.each(function(value, index) {
-      value = iterator(value, index);
+      value = iterator.call(context, value, index);
       if (result == null || value < result)
         result = value;
     });
     return result;
-  },
-
-  partition: function(iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
+  }
+
+  function partition(iterator, context) {
+    iterator = iterator || Prototype.K;
     var trues = [], falses = [];
     this.each(function(value, index) {
-      (iterator(value, index) ?
+      (iterator.call(context, value, index) ?
         trues : falses).push(value);
     });
     return [trues, falses];
-  },
-
-  pluck: function(property) {
+  }
+
+  function pluck(property) {
     var results = [];
     this.each(function(value) {
@@ -749 +857 @@
     });
     return results;
-  },
-
-  reject: function(iterator, context) {
-    iterator = iterator.bind(context);
+  }
+
+  function reject(iterator, context) {
     var results = [];
     this.each(function(value, index) {
-      if (!iterator(value, index))
+      if (!iterator.call(context, value, index))
         results.push(value);
     });
     return results;
-  },
-
-  sortBy: function(iterator, context) {
-    iterator = iterator.bind(context);
+  }
+
+  function sortBy(iterator, context) {
     return this.map(function(value, index) {
-      return {value: value, criteria: iterator(value, index)};
+      return {
+        value: value,
+        criteria: iterator.call(context, value, index)
+      };
     }).sort(function(left, right) {
       var a = left.criteria, b = right.criteria;
       return a < b ? -1 : a > b ? 1 : 0;
     }).pluck('value');
-  },
-
-  toArray: function() {
+  }
+
+  function toArray() {
     return this.map();
-  },
-
-  zip: function() {
+  }
+
+  function zip() {
     var iterator = Prototype.K, args = $A(arguments);
     if (Object.isFunction(args.last()))
@@ -784 +893 @@
       return iterator(collections.pluck(index));
     });
-  },
-
-  size: function() {
+  }
+
+  function size() {
     return this.toArray().length;
-  },
-
-  inspect: function() {
+  }
+
+  function inspect() {
     return '#<Enumerable:' + this.toArray().inspect() + '>';
   }
-};
-
-Object.extend(Enumerable, {
-  map:     Enumerable.collect,
-  find:    Enumerable.detect,
-  select:  Enumerable.findAll,
-  filter:  Enumerable.findAll,
-  member:  Enumerable.include,
-  entries: Enumerable.toArray,
-  every:   Enumerable.all,
-  some:    Enumerable.any
-});
+
+
+
+
+
+
+
+
+
+  return {
+    each:       each,
+    eachSlice:  eachSlice,
+    all:        all,
+    every:      all,
+    any:        any,
+    some:       any,
+    collect:    collect,
+    map:        collect,
+    detect:     detect,
+    findAll:    findAll,
+    select:     findAll,
+    filter:     findAll,
+    grep:       grep,
+    include:    include,
+    member:     include,
+    inGroupsOf: inGroupsOf,
+    inject:     inject,
+    invoke:     invoke,
+    max:        max,
+    min:        min,
+    partition:  partition,
+    pluck:      pluck,
+    reject:     reject,
+    sortBy:     sortBy,
+    toArray:    toArray,
+    entries:    toArray,
+    zip:        zip,
+    size:       size,
+    inspect:    inspect,
+    find:       detect
+  };
+})();
 function $A(iterable) {
   if (!iterable) return [];
-  if (iterable.toArray) return iterable.toArray();
+  if ('toArray' in Object(iterable)) return iterable.toArray();
   var length = iterable.length || 0, results = new Array(length);
   while (length--) results[length] = iterable[length];
@@ -813 +952 @@
 }
 
-if (Prototype.Browser.WebKit) {
-  $A = function(iterable) {
-    if (!iterable) return [];
-    if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') &&
-        iterable.toArray) return iterable.toArray();
-    var length = iterable.length || 0, results = new Array(length);
-    while (length--) results[length] = iterable[length];
-    return results;
-  };
+function $w(string) {
+  if (!Object.isString(string)) return [];
+  string = string.strip();
+  return string ? string.split(/\s+/) : [];
 }
 
 Array.from = $A;
 
-Object.extend(Array.prototype, Enumerable);
-
-if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse;
-
-Object.extend(Array.prototype, {
-  _each: function(iterator) {
+
+(function() {
+  var arrayProto = Array.prototype,
+      slice = arrayProto.slice,
+      _each = arrayProto.forEach; // use native browser JS 1.6 implementation if available
+
+  function each(iterator) {
     for (var i = 0, length = this.length; i < length; i++)
       iterator(this[i]);
-  },
-
-  clear: function() {
+  }
+  if (!_each) _each = each;
+
+  function clear() {
     this.length = 0;
     return this;
-  },
-
-  first: function() {
+  }
+
+  function first() {
     return this[0];
-  },
-
-  last: function() {
+  }
+
+  function last() {
     return this[this.length - 1];
-  },
-
-  compact: function() {
+  }
+
+  function compact() {
     return this.select(function(value) {
       return value != null;
     });
-  },
-
-  flatten: function() {
+  }
+
+  function flatten() {
     return this.inject([], function(array, value) {
-      return array.concat(Object.isArray(value) ?
-        value.flatten() : [value]);
+      if (Object.isArray(value))
+        return array.concat(value.flatten());
+      array.push(value);
+      return array;
     });
-  },
-
-  without: function() {
-    var values = $A(arguments);
+  }
+
+  function without() {
+    var values = slice.call(arguments, 0);
     return this.select(function(value) {
       return !values.include(value);
     });
-  },
-
-  reverse: function(inline) {
+  }
+
+  function reverse(inline) {
     return (inline !== false ? this : this.toArray())._reverse();
-  },
-
-  reduce: function() {
-    return this.length > 1 ? this : this[0];
-  },
-
-  uniq: function(sorted) {
+  }
+
+  function uniq(sorted) {
     return this.inject([], function(array, value, index) {
       if (0 == index || (sorted ? array.last() != value : !array.include(value)))
@@ -883 +1017 @@
       return array;
     });
-  },
-
-  intersect: function(array) {
+  }
+
+  function intersect(array) {
     return this.uniq().findAll(function(item) {
       return array.detect(function(value) { return item === value });
     });
-  },
-
-  clone: function() {
-    return [].concat(this);
-  },
-
-  size: function() {
+  }
+
+
+  function clone() {
+    return slice.call(this, 0);
+  }
+
+  function size() {
     return this.length;
-  },
-
-  inspect: function() {
+  }
+
+  function inspect() {
     return '[' + this.map(Object.inspect).join(', ') + ']';
-  },
-
-  toJSON: function() {
+  }
+
+  function toJSON() {
     var results = [];
     this.each(function(object) {
@@ -911 +1046 @@
     return '[' + results.join(', ') + ']';
   }
-});
-
-// use native browser JS 1.6 implementation if available
-if (Object.isFunction(Array.prototype.forEach))
-  Array.prototype._each = Array.prototype.forEach;
-
-if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) {
-  i || (i = 0);
-  var length = this.length;
-  if (i < 0) i = length + i;
-  for (; i < length; i++)
-    if (this[i] === item) return i;
-  return -1;
-};
-
-if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) {
-  i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
-  var n = this.slice(0, i).reverse().indexOf(item);
-  return (n < 0) ? n : i - n - 1;
-};
-
-Array.prototype.toArray = Array.prototype.clone;
-
-function $w(string) {
-  if (!Object.isString(string)) return [];
-  string = string.strip();
-  return string ? string.split(/\s+/) : [];
-}
-
-if (Prototype.Browser.Opera){
-  Array.prototype.concat = function() {
-    var array = [];
-    for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
+
+  function indexOf(item, i) {
+    i || (i = 0);
+    var length = this.length;
+    if (i < 0) i = length + i;
+    for (; i < length; i++)
+      if (this[i] === item) return i;
+    return -1;
+  }
+
+  function lastIndexOf(item, i) {
+    i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
+    var n = this.slice(0, i).reverse().indexOf(item);
+    return (n < 0) ? n : i - n - 1;
+  }
+
+  function concat() {
+    var array = slice.call(this, 0), item;
     for (var i = 0, length = arguments.length; i < length; i++) {
-      if (Object.isArray(arguments[i])) {
-        for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
-          array.push(arguments[i][j]);
+      item = arguments[i];
+      if (Object.isArray(item) && !('callee' in item)) {
+        for (var j = 0, arrayLength = item.length; j < arrayLength; j++)
+          array.push(item[j]);
       } else {
-        array.push(arguments[i]);
+        array.push(item);
       }
     }
     return array;
-  };
-}
-Object.extend(Number.prototype, {
-  toColorPart: function() {
-    return this.toPaddedString(2, 16);
-  },
-
-  succ: function() {
-    return this + 1;
-  },
-
-  times: function(iterator) {
-    $R(0, this, true).each(iterator);
-    return this;
-  },
-
-  toPaddedString: function(length, radix) {
-    var string = this.toString(radix || 10);
-    return '0'.times(length - string.length) + string;
-  },
-
-  toJSON: function() {
-    return isFinite(this) ? this.toString() : 'null';
-  }
-});
-
-$w('abs round ceil floor').each(function(method){
-  Number.prototype[method] = Math[method].methodize();
-});
+  }
+
+  Object.extend(arrayProto, Enumerable);
+
+  if (!arrayProto._reverse)
+    arrayProto._reverse = arrayProto.reverse;
+
+  Object.extend(arrayProto, {
+    _each:     _each,
+    clear:     clear,
+    first:     first,
+    last:      last,
+    compact:   compact,
+    flatten:   flatten,
+    without:   without,
+    reverse:   reverse,
+    uniq:      uniq,
+    intersect: intersect,
+    clone:     clone,
+    toArray:   clone,
+    size:      size,
+    inspect:   inspect,
+    toJSON:    toJSON
+  });
+
+  var CONCAT_ARGUMENTS_BUGGY = (function() {
+    return [].concat(arguments)[0][0] !== 1;
+  })(1,2)
+
+  if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat = concat;
+
+  if (!arrayProto.indexOf) arrayProto.indexOf = indexOf;
+  if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf = lastIndexOf;
+})();
 function $H(object) {
   return new Hash(object);
@@ -987 +1113 @@
 
 var Hash = Class.create(Enumerable, (function() {
+  function initialize(object) {
+    this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
+  }
+
+  function _each(iterator) {
+    for (var key in this._object) {
+      var value = this._object[key], pair = [key, value];
+      pair.key = key;
+      pair.value = value;
+      iterator(pair);
+    }
+  }
+
+  function set(key, value) {
+    return this._object[key] = value;
+  }
+
+  function get(key) {
+    if (this._object[key] !== Object.prototype[key])
+      return this._object[key];
+  }
+
+  function unset(key) {
+    var value = this._object[key];
+    delete this._object[key];
+    return value;
+  }
+
+  function toObject() {
+    return Object.clone(this._object);
+  }
+
+  function keys() {
+    return this.pluck('key');
+  }
+
+  function values() {
+    return this.pluck('value');
+  }
+
+  function index(value) {
+    var match = this.detect(function(pair) {
+      return pair.value === value;
+    });
+    return match && match.key;
+  }
+
+  function merge(object) {
+    return this.clone().update(object);
+  }
+
+  function update(object) {
+    return new Hash(object).inject(this, function(result, pair) {
+      result.set(pair.key, pair.value);
+      return result;
+    });
+  }
 
   function toQueryPair(key, value) {
@@ -993 +1176 @@
   }
 
+  function toQueryString() {
+    return this.inject([], function(results, pair) {
+      var key = encodeURIComponent(pair.key), values = pair.value;
+
+      if (values && typeof values == 'object') {
+        if (Object.isArray(values))
+          return results.concat(values.map(toQueryPair.curry(key)));
+      } else results.push(toQueryPair(key, values));
+      return results;
+    }).join('&');
+  }
+
+  function inspect() {
+    return '#<Hash:{' + this.map(function(pair) {
+      return pair.map(Object.inspect).join(': ');
+    }).join(', ') + '}>';
+  }
+
+  function toJSON() {
+    return Object.toJSON(this.toObject());
+  }
+
+  function clone() {
+    return new Hash(this);
+  }
+
   return {
-    initialize: function(object) {
-      this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
-    },
-
-    _each: function(iterator) {
-      for (var key in this._object) {
-        var value = this._object[key], pair = [key, value];
-        pair.key = key;
-        pair.value = value;
-        iterator(pair);
-      }
-    },
-
-    set: function(key, value) {
-      return this._object[key] = value;
-    },
-
-    get: function(key) {
-      return this._object[key];
-    },
-
-    unset: function(key) {
-      var value = this._object[key];
-      delete this._object[key];
-      return value;
-    },
-
-    toObject: function() {
-      return Object.clone(this._object);
-    },
-
-    keys: function() {
-      return this.pluck('key');
-    },
-
-    values: function() {
-      return this.pluck('value');
-    },
-
-    index: function(value) {
-      var match = this.detect(function(pair) {
-        return pair.value === value;
-      });
-      return match && match.key;
-    },
-
-    merge: function(object) {
-      return this.clone().update(object);
-    },
-
-    update: function(object) {
-      return new Hash(object).inject(this, function(result, pair) {
-        result.set(pair.key, pair.value);
-        return result;
-      });
-    },
-
-    toQueryString: function() {
-      return this.map(function(pair) {
-        var key = encodeURIComponent(pair.key), values = pair.value;
-
-        if (values && typeof values == 'object') {
-          if (Object.isArray(values))
-            return values.map(toQueryPair.curry(key)).join('&');
-        }
-        return toQueryPair(key, values);
-      }).join('&');
-    },
-
-    inspect: function() {
-      return '#<Hash:{' + this.map(function(pair) {
-        return pair.map(Object.inspect).join(': ');
-      }).join(', ') + '}>';
-    },
-
-    toJSON: function() {
-      return Object.toJSON(this.toObject());
-    },
-
-    clone: function() {
-      return new Hash(this);
-    }
-  }
+    initialize:             initialize,
+    _each:                  _each,
+    set:                    set,
+    get:                    get,
+    unset:                  unset,
+    toObject:               toObject,
+    toTemplateReplacements: toObject,
+    keys:                   keys,
+    values:                 values,
+    index:                  index,
+    merge:                  merge,
+    update:                 update,
+    toQueryString:          toQueryString,
+    inspect:                inspect,
+    toJSON:                 toJSON,
+    clone:                  clone
+  };
 })());
 
-Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;
 Hash.from = $H;
-var ObjectRange = Class.create(Enumerable, {
-  initialize: function(start, end, exclusive) {
+Object.extend(Number.prototype, (function() {
+  function toColorPart() {
+    return this.toPaddedString(2, 16);
+  }
+
+  function succ() {
+    return this + 1;
+  }
+
+  function times(iterator, context) {
+    $R(0, this, true).each(iterator, context);
+    return this;
+  }
+
+  function toPaddedString(length, radix) {
+    var string = this.toString(radix || 10);
+    return '0'.times(length - string.length) + string;
+  }
+
+  function toJSON() {
+    return isFinite(this) ? this.toString() : 'null';
+  }
+
+  function abs() {
+    return Math.abs(this);
+  }
+
+  function round() {
+    return Math.round(this);
+  }
+
+  function ceil() {
+    return Math.ceil(this);
+  }
+
+  function floor() {
+    return Math.floor(this);
+  }
+
+  return {
+    toColorPart:    toColorPart,
+    succ:           succ,
+    times:          times,
+    toPaddedString: toPaddedString,
+    toJSON:         toJSON,
+    abs:            abs,
+    round:          round,
+    ceil:           ceil,
+    floor:          floor
+  };
+})());
+
+function $R(start, end, exclusive) {
+  return new ObjectRange(start, end, exclusive);
+}
+
+var ObjectRange = Class.create(Enumerable, (function() {
+  function initialize(start, end, exclusive) {
     this.start = start;
     this.end = end;
     this.exclusive = exclusive;
-  },
-
-  _each: function(iterator) {
+  }
+
+  function _each(iterator) {
     var value = this.start;
     while (this.include(value)) {
@@ -1094 +1292 @@
       value = value.succ();
     }
-  },
-
-  include: function(value) {
+  }
+
+  function include(value) {
     if (value < this.start)
       return false;
@@ -1103 +1301 @@
     return value <= this.end;
   }
-});
-
-var $R = function(start, end, exclusive) {
-  return new ObjectRange(start, end, exclusive);
-};
+
+  return {
+    initialize: initialize,
+    _each:      _each,
+    include:    include
+  };
+})());
+
+
 
 var Ajax = {
@@ -1154 +1356 @@
   onComplete: function() { Ajax.activeRequestCount-- }
 });
-
 Ajax.Base = Class.create({
   initialize: function(options) {
@@ -1176 +1377 @@
   }
 });
-
 Ajax.Request = Class.create(Ajax.Base, {
   _complete: false,
@@ -1192 +1392 @@
 
     if (!['get', 'post'].include(this.method)) {
-      // simulate other verbs over post
       params['_method'] = this.method;
       this.method = 'post';
@@ -1200 +1399 @@
 
     if (params = Object.toQueryString(params)) {
-      // when GET, append parameters to URL
       if (this.method == 'get')
         this.url += (this.url.include('?') ? '&' : '?') + params;
@@ -1259 +1457 @@
     }
 
-    // user-defined headers
     if (typeof this.options.requestHeaders == 'object') {
       var extras = this.options.requestHeaders;
@@ -1313 +1510 @@
 
     if (state == 'Complete') {
-      // avoid memory leak in MSIE: clean up
       this.transport.onreadystatechange = Prototype.emptyFunction;
     }
@@ -1330 +1526 @@
     try {
       return this.transport.getResponseHeader(name) || null;
-    } catch (e) { return null }
+    } catch (e) { return null; }
   },
 
@@ -1350 +1546 @@
   ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
 
+
+
+
+
+
+
+
 Ajax.Response = Class.create({
   initialize: function(request){
@@ -1371 +1574 @@
 
   status:      0,
+
   statusText: '',
 
@@ -1500 +1704 @@
   }
 });
+
+
+
 function $(element) {
   if (arguments.length > 1) {
@@ -1527 +1734 @@
 
 if (!Node.ELEMENT_NODE) {
-  // DOM level 2 ECMAScript Language Binding
   Object.extend(Node, {
     ELEMENT_NODE: 1,
@@ -1544 +1750 @@
 }
 
-(function() {
-  var element = this.Element;
-  this.Element = function(tagName, attributes) {
+
+(function(global) {
+
+  var SETATTRIBUTE_IGNORES_NAME = (function(){
+    var elForm = document.createElement("form");
+    var elInput = document.createElement("input");
+    var root = document.documentElement;
+    elInput.setAttribute("name", "test");
+    elForm.appendChild(elInput);
+    root.appendChild(elForm);
+    var isBuggy = elForm.elements
+      ? (typeof elForm.elements.test == "undefined")
+      : null;
+    root.removeChild(elForm);
+    elForm = elInput = null;
+    return isBuggy;
+  })();
+
+  var element = global.Element;
+  global.Element = function(tagName, attributes) {
     attributes = attributes || { };
     tagName = tagName.toLowerCase();
     var cache = Element.cache;
-    if (Prototype.Browser.IE && attributes.name) {
+    if (SETATTRIBUTE_IGNORES_NAME && attributes.name) {
       tagName = '<' + tagName + ' name="' + attributes.name + '">';
       delete attributes.name;
@@ -1558 +1781 @@
     return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
   };
-  Object.extend(this.Element, element || { });
-}).call(window);
+  Object.extend(global.Element, element || { });
+  if (element) global.Element.prototype = element.prototype;
+})(this);
 
 Element.cache = { };
+Element.idCounter = 1;
 
 Element.Methods = {
@@ -1574 +1799 @@
   },
 
+
   hide: function(element) {
-    $(element).style.display = 'none';
+    element = $(element);
+    element.style.display = 'none';
     return element;
   },
 
   show: function(element) {
-    $(element).style.display = '';
+    element = $(element);
+    element.style.display = '';
     return element;
   },
@@ -1590 +1818 @@
   },
 
-  update: function(element, content) {
-    element = $(element);
-    if (content && content.toElement) content = content.toElement();
-    if (Object.isElement(content)) return element.update().insert(content);
-    content = Object.toHTML(content);
-    element.innerHTML = content.stripScripts();
-    content.evalScripts.bind(content).defer();
-    return element;
-  },
+  update: (function(){
+
+    var SELECT_ELEMENT_INNERHTML_BUGGY = (function(){
+      var el = document.createElement("select"),
+          isBuggy = true;
+      el.innerHTML = "<option value=\"test\">test</option>";
+      if (el.options && el.options[0]) {
+        isBuggy = el.options[0].nodeName.toUpperCase() !== "OPTION";
+      }
+      el = null;
+      return isBuggy;
+    })();
+
+    var TABLE_ELEMENT_INNERHTML_BUGGY = (function(){
+      try {
+        var el = document.createElement("table");
+        if (el && el.tBodies) {
+          el.innerHTML = "<tbody><tr><td>test</td></tr></tbody>";
+          var isBuggy = typeof el.tBodies[0] == "undefined";
+          el = null;
+          return isBuggy;
+        }
+      } catch (e) {
+        return true;
+      }
+    })();
+
+    var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (function () {
+      var s = document.createElement("script"),
+          isBuggy = false;
+      try {
+        s.appendChild(document.createTextNode(""));
+        isBuggy = !s.firstChild ||
+          s.firstChild && s.firstChild.nodeType !== 3;
+      } catch (e) {
+        isBuggy = true;
+      }
+      s = null;
+      return isBuggy;
+    })();
+
+    function update(element, content) {
+      element = $(element);
+
+      if (content && content.toElement)
+        content = content.toElement();
+
+      if (Object.isElement(content))
+        return element.update().insert(content);
+
+      content = Object.toHTML(content);
+
+      var tagName = element.tagName.toUpperCase();
+
+      if (tagName === 'SCRIPT' && SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING) {
+        element.text = content;
+        return element;
+      }
+
+      if (SELECT_ELEMENT_INNERHTML_BUGGY || TABLE_ELEMENT_INNERHTML_BUGGY) {
+        if (tagName in Element._insertionTranslations.tags) {
+          while (element.firstChild) {
+            element.removeChild(element.firstChild);
+          }
+          Element._getContentFromAnonymousElement(tagName, content.stripScripts())
+            .each(function(node) {
+              element.appendChild(node)
+            });
+        }
+        else {
+          element.innerHTML = content.stripScripts();
+        }
+      }
+      else {
+        element.innerHTML = content.stripScripts();
+      }
+
+      content.evalScripts.bind(content).defer();
+      return element;
+    }
+
+    return update;
+  })(),
 
   replace: function(element, content) {
@@ -1683 +1985 @@
 
   ancestors: function(element) {
-    return $(element).recursivelyCollect('parentNode');
+    return Element.recursivelyCollect(element, 'parentNode');
   },
 
   descendants: function(element) {
-    return $(element).select("*");
+    return Element.select(element, "*");
   },
 
@@ -1704 +2006 @@
 
   previousSiblings: function(element) {
-    return $(element).recursivelyCollect('previousSibling');
+    return Element.recursivelyCollect(element, 'previousSibling');
   },
 
   nextSiblings: function(element) {
-    return $(element).recursivelyCollect('nextSibling');
+    return Element.recursivelyCollect(element, 'nextSibling');
   },
 
   siblings: function(element) {
     element = $(element);
-    return element.previousSiblings().reverse().concat(element.nextSiblings());
+    return Element.previousSiblings(element).reverse()
+      .concat(Element.nextSiblings(element));
   },
 
@@ -1725 +2028 @@
     element = $(element);
     if (arguments.length == 1) return $(element.parentNode);
-    var ancestors = element.ancestors();
+    var ancestors = Element.ancestors(element);
     return Object.isNumber(expression) ? ancestors[expression] :
       Selector.findElement(ancestors, expression, index);
@@ -1732 +2035 @@
   down: function(element, expression, index) {
     element = $(element);
-    if (arguments.length == 1) return element.firstDescendant();
-    return Object.isNumber(expression) ? element.descendants()[expression] :
-      element.select(expression)[index || 0];
+    if (arguments.length == 1) return Element.firstDescendant(element);
+    return Object.isNumber(expression) ? Element.descendants(element)[expression] :
+      Element.select(element, expression)[index || 0];
   },
 
@@ -1740 +2043 @@
     element = $(element);
     if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
-    var previousSiblings = element.previousSiblings();
+    var previousSiblings = Element.previousSiblings(element);
     return Object.isNumber(expression) ? previousSiblings[expression] :
       Selector.findElement(previousSiblings, expression, index);
@@ -1748 +2051 @@
     element = $(element);
     if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
-    var nextSiblings = element.nextSiblings();
+    var nextSiblings = Element.nextSiblings(element);
     return Object.isNumber(expression) ? nextSiblings[expression] :
       Selector.findElement(nextSiblings, expression, index);
   },
 
-  select: function() {
-    var args = $A(arguments), element = $(args.shift());
+
+  select: function(element) {
+    var args = Array.prototype.slice.call(arguments, 1);
     return Selector.findChildElements(element, args);
   },
 
-  adjacent: function() {
-    var args = $A(arguments), element = $(args.shift());
+  adjacent: function(element) {
+    var args = Array.prototype.slice.call(arguments, 1);
     return Selector.findChildElements(element.parentNode, args).without(element);
   },
@@ -1765 +2069 @@
   identify: function(element) {
     element = $(element);
-    var id = element.readAttribute('id'), self = arguments.callee;
+    var id = Element.readAttribute(element, 'id');
     if (id) return id;
-    do { id = 'anonymous_element_' + self.counter++ } while ($(id));
-    element.writeAttribute('id', id);
+    do { id = 'anonymous_element_' + Element.idCounter++ } while ($(id));
+    Element.writeAttribute(element, 'id', id);
     return id;
   },
@@ -1807 +2111 @@
 
   getHeight: function(element) {
-    return $(element).getDimensions().height;
+    return Element.getDimensions(element).height;
   },
 
   getWidth: function(element) {
-    return $(element).getDimensions().width;
+    return Element.getDimensions(element).width;
   },
 
@@ -1827 +2131 @@
   addClassName: function(element, className) {
     if (!(element = $(element))) return;
-    if (!element.hasClassName(className))
+    if (!Element.hasClassName(element, className))
       element.className += (element.className ? ' ' : '') + className;
     return element;
@@ -1841 +2145 @@
   toggleClassName: function(element, className) {
     if (!(element = $(element))) return;
-    return element[element.hasClassName(className) ?
-      'removeClassName' : 'addClassName'](className);
-  },
-
-  // removes whitespace-only text node children
+    return Element[Element.hasClassName(element, className) ?
+      'removeClassName' : 'addClassName'](element, className);
+  },
+
   cleanWhitespace: function(element) {
     element = $(element);
@@ -1864 +2167 @@
   descendantOf: function(element, ancestor) {
     element = $(element), ancestor = $(ancestor);
-    var originalAncestor = ancestor;
 
     if (element.compareDocumentPosition)
       return (element.compareDocumentPosition(ancestor) & 8) === 8;
 
-    if (element.sourceIndex && !Prototype.Browser.Opera) {
-      var e = element.sourceIndex, a = ancestor.sourceIndex,
-       nextAncestor = ancestor.nextSibling;
-      if (!nextAncestor) {
-        do { ancestor = ancestor.parentNode; }
-        while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode);
-      }
-      if (nextAncestor && nextAncestor.sourceIndex)
-       return (e > a && e < nextAncestor.sourceIndex);
-    }
+    if (ancestor.contains)
+      return ancestor.contains(element) && ancestor !== element;
 
     while (element = element.parentNode)
-      if (element == originalAncestor) return true;
+      if (element == ancestor) return true;
+
     return false;
   },
@@ -1887 +2182 @@
   scrollTo: function(element) {
     element = $(element);
-    var pos = element.cumulativeOffset();
+    var pos = Element.cumulativeOffset(element);
     window.scrollTo(pos[0], pos[1]);
     return element;
@@ -1896 +2191 @@
     style = style == 'float' ? 'cssFloat' : style.camelize();
     var value = element.style[style];
-    if (!value) {
+    if (!value || value == 'auto') {
       var css = document.defaultView.getComputedStyle(element, null);
       value = css ? css[style] : null;
@@ -1935 +2230 @@
   getDimensions: function(element) {
     element = $(element);
-    var display = $(element).getStyle('display');
+    var display = Element.getStyle(element, 'display');
     if (display != 'none' && display != null) // Safari bug
       return {width: element.offsetWidth, height: element.offsetHeight};
 
-    // All *Width and *Height properties give 0 on elements with display none,
-    // so enable the element temporarily
     var els = element.style;
     var originalVisibility = els.visibility;
@@ -1946 +2239 @@
     var originalDisplay = els.display;
     els.visibility = 'hidden';
-    els.position = 'absolute';
+    if (originalPosition != 'fixed') // Switching fixed to absolute causes issues in Safari
+      els.position = 'absolute';
     els.display = 'block';
     var originalWidth = element.clientWidth;
@@ -1962 +2256 @@
       element._madePositioned = true;
       element.style.position = 'relative';
-      // Opera returns the offset relative to the positioning context, when an
-      // element is position relative but top and left have not been defined
-      if (window.opera) {
+      if (Prototype.Browser.Opera) {
         element.style.top = 0;
         element.style.left = 0;
@@ -2019 +2311 @@
       element = element.offsetParent;
       if (element) {
-        if (element.tagName == 'BODY') break;
+        if (element.tagName.toUpperCase() == 'BODY') break;
         var p = Element.getStyle(element, 'position');
         if (p !== 'static') break;
@@ -2029 +2321 @@
   absolutize: function(element) {
     element = $(element);
-    if (element.getStyle('position') == 'absolute') return;
-    // Position.prepare(); // To be done manually by Scripty when it needs it.
-
-    var offsets = element.positionedOffset();
+    if (Element.getStyle(element, 'position') == 'absolute') return element;
+
+    var offsets = Element.positionedOffset(element);
     var top     = offsets[1];
     var left    = offsets[0];
@@ -2053 +2344 @@
   relativize: function(element) {
     element = $(element);
-    if (element.getStyle('position') == 'relative') return;
-    // Position.prepare(); // To be done manually by Scripty when it needs it.
+    if (Element.getStyle(element, 'position') == 'relative') return element;
 
     element.style.position = 'relative';
@@ -2096 +2386 @@
       valueL += element.offsetLeft || 0;
 
-      // Safari fix
       if (element.offsetParent == document.body &&
         Element.getStyle(element, 'position') == 'absolute') break;
@@ -2104 +2393 @@
     element = forElement;
     do {
-      if (!Prototype.Browser.Opera || element.tagName == 'BODY') {
+      if (!Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == 'BODY'))) {
         valueT -= element.scrollTop  || 0;
         valueL -= element.scrollLeft || 0;
@@ -2123 +2412 @@
     }, arguments[2] || { });
 
-    // find page position of source
     source = $(source);
-    var p = source.viewportOffset();
-
-    // find coordinate system to use
+    var p = Element.viewportOffset(source);
+
     element = $(element);
     var delta = [0, 0];
     var parent = null;
-    // delta [0,0] will do fine with position: fixed elements,
-    // position:absolute needs offsetParent deltas
     if (Element.getStyle(element, 'position') == 'absolute') {
-      parent = element.getOffsetParent();
-      delta = parent.viewportOffset();
-    }
-
-    // correct by body offsets (fixes Safari)
+      parent = Element.getOffsetParent(element);
+      delta = Element.viewportOffset(parent);
+    }
+
     if (parent == document.body) {
       delta[0] -= document.body.offsetLeft;
@@ -2144 +2428 @@
     }
 
-    // set position
     if (options.setLeft)   element.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
     if (options.setTop)    element.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
@@ -2153 +2436 @@
 };
 
-Element.Methods.identify.counter = 1;
-
 Object.extend(Element.Methods, {
   getElementsBySelector: Element.Methods.select,
+
   childElements: Element.Methods.immediateDescendants
 });
@@ -2177 +2459 @@
           if (proceed(element, 'position') === 'static') return null;
         case 'height': case 'width':
-          // returns '0px' for hidden elements; we want it to return null
           if (!Element.visible(element)) return null;
 
-          // returns the border-box dimensions rather than the content-box
-          // dimensions, so we subtract padding and borders from the value
           var dim = parseInt(proceed(element, style), 10);
 
@@ -2214 +2493 @@
 
 else if (Prototype.Browser.IE) {
-  // IE doesn't report offsets correctly for static elements, so we change them
-  // to "relative" to get the values, then change them back.
   Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
     function(proceed, element) {
       element = $(element);
+      try { element.offsetParent }
+      catch(e) { return $(document.body) }
       var position = element.getStyle('position');
       if (position !== 'static') return proceed(element);
@@ -2232 +2511 @@
       function(proceed, element) {
         element = $(element);
+        try { element.offsetParent }
+        catch(e) { return Element._returnOffset(0,0) }
         var position = element.getStyle('position');
         if (position !== 'static') return proceed(element);
-        // Trigger hasLayout on the offset parent so that IE6 reports
-        // accurate offsetTop and offsetLeft values for position: fixed.
         var offsetParent = element.getOffsetParent();
         if (offsetParent && offsetParent.getStyle('position') === 'fixed')
@@ -2246 +2525 @@
     );
   });
+
+  Element.Methods.cumulativeOffset = Element.Methods.cumulativeOffset.wrap(
+    function(proceed, element) {
+      try { element.offsetParent }
+      catch(e) { return Element._returnOffset(0,0) }
+      return proceed(element);
+    }
+  );
 
   Element.Methods.getStyle = function(element, style) {
@@ -2288 +2575 @@
   };
 
-  Element._attributeTranslations = {
-    read: {
-      names: {
-        'class': 'className',
-        'for':   'htmlFor'
-      },
-      values: {
-        _getAttr: function(element, attribute) {
-          return element.getAttribute(attribute, 2);
+  Element._attributeTranslations = (function(){
+
+    var classProp = 'className';
+    var forProp = 'for';
+
+    var el = document.createElement('div');
+
+    el.setAttribute(classProp, 'x');
+
+    if (el.className !== 'x') {
+      el.setAttribute('class', 'x');
+      if (el.className === 'x') {
+        classProp = 'class';
+      }
+    }
+    el = null;
+
+    el = document.createElement('label');
+    el.setAttribute(forProp, 'x');
+    if (el.htmlFor !== 'x') {
+      el.setAttribute('htmlFor', 'x');
+      if (el.htmlFor === 'x') {
+        forProp = 'htmlFor';
+      }
+    }
+    el = null;
+
+    return {
+      read: {
+        names: {
+          'class':      classProp,
+          'className':  classProp,
+          'for':        forProp,
+          'htmlFor':    forProp
         },
-        _getAttrNode: function(element, attribute) {
-          var node = element.getAttributeNode(attribute);
-          return node ? node.value : "";
-        },
-        _getEv: function(element, attribute) {
-          attribute = element.getAttribute(attribute);
-          return attribute ? attribute.toString().slice(23, -2) : null;
-        },
-        _flag: function(element, attribute) {
-          return $(element).hasAttribute(attribute) ? attribute : null;
-        },
-        style: function(element) {
-          return element.style.cssText.toLowerCase();
-        },
-        title: function(element) {
-          return element.title;
+        values: {
+          _getAttr: function(element, attribute) {
+            return element.getAttribute(attribute);
+          },
+          _getAttr2: function(element, attribute) {
+            return element.getAttribute(attribute, 2);
+          },
+          _getAttrNode: function(element, attribute) {
+            var node = element.getAttributeNode(attribute);
+            return node ? node.value : "";
+          },
+          _getEv: (function(){
+
+            var el = document.createElement('div');
+            el.onclick = Prototype.emptyFunction;
+            var value = el.getAttribute('onclick');
+            var f;
+
+            if (String(value).indexOf('{') > -1) {
+              f = function(element, attribute) {
+                attribute = element.getAttribute(attribute);
+                if (!attribute) return null;
+                attribute = attribute.toString();
+                attribute = attribute.split('{')[1];
+                attribute = attribute.split('}')[0];
+                return attribute.strip();
+              };
+            }
+            else if (value === '') {
+              f = function(element, attribute) {
+                attribute = element.getAttribute(attribute);
+                if (!attribute) return null;
+                return attribute.strip();
+              };
+            }
+            el = null;
+            return f;
+          })(),
+          _flag: function(element, attribute) {
+            return $(element).hasAttribute(attribute) ? attribute : null;
+          },
+          style: function(element) {
+            return element.style.cssText.toLowerCase();
+          },
+          title: function(element) {
+            return element.title;
+          }
         }
       }
     }
-  };
+  })();
 
   Element._attributeTranslations.write = {
@@ -2338 +2681 @@
 
   $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
-      'encType maxLength readOnly longDesc').each(function(attr) {
+      'encType maxLength readOnly longDesc frameBorder').each(function(attr) {
     Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
     Element._attributeTranslations.has[attr.toLowerCase()] = attr;
@@ -2345 +2688 @@
   (function(v) {
     Object.extend(v, {
-      href:        v._getAttr,
-      src:         v._getAttr,
+      href:        v._getAttr2,
+      src:         v._getAttr2,
       type:        v._getAttr,
       action:      v._getAttrNode,
@@ -2373 +2716 @@
     });
   })(Element._attributeTranslations.read.values);
+
+  if (Prototype.BrowserFeatures.ElementExtensions) {
+    (function() {
+      function _descendants(element) {
+        var nodes = element.getElementsByTagName('*'), results = [];
+        for (var i = 0, node; node = nodes[i]; i++)
+          if (node.tagName !== "!") // Filter out comment nodes.
+            results.push(node);
+        return results;
+      }
+
+      Element.Methods.down = function(element, expression, index) {
+        element = $(element);
+        if (arguments.length == 1) return element.firstDescendant();
+        return Object.isNumber(expression) ? _descendants(element)[expression] :
+          Element.select(element, expression)[index || 0];
+      }
+    })();
+  }
+
 }
 
@@ -2391 +2754 @@
 
     if (value == 1)
-      if(element.tagName == 'IMG' && element.width) {
+      if(element.tagName.toUpperCase() == 'IMG' && element.width) {
         element.width++; element.width--;
       } else try {
@@ -2402 +2765 @@
   };
 
-  // Safari returns margins on body which is incorrect if the child is absolutely
-  // positioned.  For performance reasons, redefine Element#cumulativeOffset for
-  // KHTML/WebKit only.
   Element.Methods.cumulativeOffset = function(element) {
     var valueT = 0, valueL = 0;
@@ -2420 +2780 @@
 }
 
-if (Prototype.Browser.IE || Prototype.Browser.Opera) {
-  // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements
-  Element.Methods.update = function(element, content) {
-    element = $(element);
-
-    if (content && content.toElement) content = content.toElement();
-    if (Object.isElement(content)) return element.update().insert(content);
-
-    content = Object.toHTML(content);
-    var tagName = element.tagName.toUpperCase();
-
-    if (tagName in Element._insertionTranslations.tags) {
-      $A(element.childNodes).each(function(node) { element.removeChild(node) });
-      Element._getContentFromAnonymousElement(tagName, content.stripScripts())
-        .each(function(node) { element.appendChild(node) });
-    }
-    else element.innerHTML = content.stripScripts();
-
-    content.evalScripts.bind(content).defer();
-    return element;
-  };
-}
-
-if ('outerHTML' in document.createElement('div')) {
+if ('outerHTML' in document.documentElement) {
   Element.Methods.replace = function(element, content) {
     element = $(element);
@@ -2511 +2848 @@
 
 (function() {
-  Object.extend(this.tags, {
-    THEAD: this.tags.TBODY,
-    TFOOT: this.tags.TBODY,
-    TH:    this.tags.TD
+  var tags = Element._insertionTranslations.tags;
+  Object.extend(tags, {
+    THEAD: tags.TBODY,
+    TFOOT: tags.TBODY,
+    TH:    tags.TD
   });
-}).call(Element._insertionTranslations);
+})();
 
 Element.Methods.Simulated = {
@@ -2522 +2860 @@
     attribute = Element._attributeTranslations.has[attribute] || attribute;
     var node = $(element).getAttributeNode(attribute);
-    return node && node.specified;
+    return !!(node && node.specified);
   }
 };
@@ -2530 +2868 @@
 Object.extend(Element, Element.Methods);
 
-if (!Prototype.BrowserFeatures.ElementExtensions &&
-    document.createElement('div').__proto__) {
-  window.HTMLElement = { };
-  window.HTMLElement.prototype = document.createElement('div').__proto__;
-  Prototype.BrowserFeatures.ElementExtensions = true;
-}
+(function(div) {
+
+  if (!Prototype.BrowserFeatures.ElementExtensions && div['__proto__']) {
+    window.HTMLElement = { };
+    window.HTMLElement.prototype = div['__proto__'];
+    Prototype.BrowserFeatures.ElementExtensions = true;
+  }
+
+  div = null;
+
+})(document.createElement('div'))
 
 Element.extend = (function() {
-  if (Prototype.BrowserFeatures.SpecificElementExtensions)
-    return Prototype.K;
-
-  var Methods = { }, ByTag = Element.Methods.ByTag;
-
-  var extend = Object.extend(function(element) {
-    if (!element || element._extendedByPrototype ||
-        element.nodeType != 1 || element == window) return element;
-
-    var methods = Object.clone(Methods),
-      tagName = element.tagName, property, value;
-
-    // extend methods for specific tags
-    if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);
-
-    for (property in methods) {
-      value = methods[property];
+
+  function checkDeficiency(tagName) {
+    if (typeof window.Element != 'undefined') {
+      var proto = window.Element.prototype;
+      if (proto) {
+        var id = '_' + (Math.random()+'').slice(2);
+        var el = document.createElement(tagName);
+        proto[id] = 'x';
+        var isBuggy = (el[id] !== 'x');
+        delete proto[id];
+        el = null;
+        return isBuggy;
+      }
+    }
+    return false;
+  }
+
+  function extendElementWith(element, methods) {
+    for (var property in methods) {
+      var value = methods[property];
       if (Object.isFunction(value) && !(property in element))
         element[property] = value.methodize();
     }
+  }
+
+  var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY = checkDeficiency('object');
+
+  if (Prototype.BrowserFeatures.SpecificElementExtensions) {
+    if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY) {
+      return function(element) {
+        if (element && typeof element._extendedByPrototype == 'undefined') {
+          var t = element.tagName;
+          if (t && (/^(?:object|applet|embed)$/i.test(t))) {
+            extendElementWith(element, Element.Methods);
+            extendElementWith(element, Element.Methods.Simulated);
+            extendElementWith(element, Element.Methods.ByTag[t.toUpperCase()]);
+          }
+        }
+        return element;
+      }
+    }
+    return Prototype.K;
+  }
+
+  var Methods = { }, ByTag = Element.Methods.ByTag;
+
+  var extend = Object.extend(function(element) {
+    if (!element || typeof element._extendedByPrototype != 'undefined' ||
+        element.nodeType != 1 || element == window) return element;
+
+    var methods = Object.clone(Methods),
+        tagName = element.tagName.toUpperCase();
+
+    if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);
+
+    extendElementWith(element, methods);
 
     element._extendedByPrototype = Prototype.emptyFunction;
@@ -2564 +2943 @@
   }, {
     refresh: function() {
-      // extend methods for all tags (Safari doesn't need this)
       if (!Prototype.BrowserFeatures.ElementExtensions) {
         Object.extend(Methods, Element.Methods);
@@ -2643 +3021 @@
     if (window[klass]) return window[klass];
 
-    window[klass] = { };
-    window[klass].prototype = document.createElement(tagName).__proto__;
-    return window[klass];
-  }
+    var element = document.createElement(tagName);
+    var proto = element['__proto__'] || element.constructor.prototype;
+    element = null;
+    return proto;
+  }
+
+  var elementPrototype = window.HTMLElement ? HTMLElement.prototype :
+   Element.prototype;
 
   if (F.ElementExtensions) {
-    copy(Element.Methods, HTMLElement.prototype);
-    copy(Element.Methods.Simulated, HTMLElement.prototype, true);
+    copy(Element.Methods, elementPrototype);
+    copy(Element.Methods.Simulated, elementPrototype, true);
   }
 
@@ -2668 +3050 @@
 };
 
+
 document.viewport = {
+
   getDimensions: function() {
-    var dimensions = { };
-    var B = Prototype.Browser;
-    $w('width height').each(function(d) {
-      var D = d.capitalize();
-      dimensions[d] = (B.WebKit && !document.evaluate) ? self['inner' + D] :
-        (B.Opera) ? document.body['client' + D] : document.documentElement['client' + D];
-    });
-    return dimensions;
-  },
-
-  getWidth: function() {
-    return this.getDimensions().width;
-  },
-
-  getHeight: function() {
-    return this.getDimensions().height;
+    return { width: this.getWidth(), height: this.getHeight() };
   },
 
@@ -2691 +3060 @@
     return Element._returnOffset(
       window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
-      window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
+      window.pageYOffset || document.documentElement.scrollTop  || document.body.scrollTop);
   }
 };
-/* Portions of the Selector class are derived from Jack Slocum’s DomQuery,
+
+(function(viewport) {
+  var B = Prototype.Browser, doc = document, element, property = {};
+
+  function getRootElement() {
+    if (B.WebKit && !doc.evaluate)
+      return document;
+
+    if (B.Opera && window.parseFloat(window.opera.version()) < 9.5)
+      return document.body;
+
+    return document.documentElement;
+  }
+
+  function define(D) {
+    if (!element) element = getRootElement();
+
+    property[D] = 'client' + D;
+
+    viewport['get' + D] = function() { return element[property[D]] };
+    return viewport['get' + D]();
+  }
+
+  viewport.getWidth  = define.curry('Width');
+
+  viewport.getHeight = define.curry('Height');
+})(document.viewport);
+
+
+Element.Storage = {
+  UID: 1
+};
+
+Element.addMethods({
+  getStorage: function(element) {
+    if (!(element = $(element))) return;
+
+    var uid;
+    if (element === window) {
+      uid = 0;
+    } else {
+      if (typeof element._prototypeUID === "undefined")
+        element._prototypeUID = [Element.Storage.UID++];
+      uid = element._prototypeUID[0];
+    }
+
+    if (!Element.Storage[uid])
+      Element.Storage[uid] = $H();
+
+    return Element.Storage[uid];
+  },
+
+  store: function(element, key, value) {
+    if (!(element = $(element))) return;
+
+    if (arguments.length === 2) {
+      Element.getStorage(element).update(key);
+    } else {
+      Element.getStorage(element).set(key, value);
+    }
+
+    return element;
+  },
+
+  retrieve: function(element, key, defaultValue) {
+    if (!(element = $(element))) return;
+    var hash = Element.getStorage(element), value = hash.get(key);
+
+    if (Object.isUndefined(value)) {
+      hash.set(key, defaultValue);
+      value = defaultValue;
+    }
+
+    return value;
+  },
+
+  clone: function(element, deep) {
+    if (!(element = $(element))) return;
+    var clone = element.cloneNode(deep);
+    clone._prototypeUID = void 0;
+    if (deep) {
+      var descendants = Element.select(clone, '*'),
+          i = descendants.length;
+      while (i--) {
+        descendants[i]._prototypeUID = void 0;
+      }
+    }
+    return Element.extend(clone);
+  }
+});
+/* Portions of the Selector class are derived from Jack Slocum's DomQuery,
  * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
  * license.  Please see http://www.yui-ext.com/ for more information. */
@@ -2701 +3160 @@
   initialize: function(expression) {
     this.expression = expression.strip();
-    this.compileMatcher();
-  },
-
-  shouldUseXPath: function() {
-    if (!Prototype.BrowserFeatures.XPath) return false;
-
-    var e = this.expression;
-
-    // Safari 3 chokes on :*-of-type and :empty
-    if (Prototype.Browser.WebKit &&
-     (e.include("-of-type") || e.include(":empty")))
+
+    if (this.shouldUseSelectorsAPI()) {
+      this.mode = 'selectorsAPI';
+    } else if (this.shouldUseXPath()) {
+      this.mode = 'xpath';
+      this.compileXPathMatcher();
+    } else {
+      this.mode = "normal";
+      this.compileMatcher();
+    }
+
+  },
+
+  shouldUseXPath: (function() {
+
+    var IS_DESCENDANT_SELECTOR_BUGGY = (function(){
+      var isBuggy = false;
+      if (document.evaluate && window.XPathResult) {
+        var el = document.createElement('div');
+        el.innerHTML = '<ul><li></li></ul><div><ul><li></li></ul></div>';
+
+        var xpath = ".//*[local-name()='ul' or local-name()='UL']" +
+          "//*[local-name()='li' or local-name()='LI']";
+
+        var result = document.evaluate(xpath, el, null,
+          XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
+
+        isBuggy = (result.snapshotLength !== 2);
+        el = null;
+      }
+      return isBuggy;
+    })();
+
+    return function() {
+      if (!Prototype.BrowserFeatures.XPath) return false;
+
+      var e = this.expression;
+
+      if (Prototype.Browser.WebKit &&
+       (e.include("-of-type") || e.include(":empty")))
+        return false;
+
+      if ((/(\[[\w-]*?:|:checked)/).test(e))
+        return false;
+
+      if (IS_DESCENDANT_SELECTOR_BUGGY) return false;
+
+      return true;
+    }
+
+  })(),
+
+  shouldUseSelectorsAPI: function() {
+    if (!Prototype.BrowserFeatures.SelectorsAPI) return false;
+
+    if (Selector.CASE_INSENSITIVE_CLASS_NAMES) return false;
+
+    if (!Selector._div) Selector._div = new Element('div');
+
+    try {
+      Selector._div.querySelector(this.expression);
+    } catch(e) {
       return false;
-
-    // XPath can't do namespaced attributes, nor can it read
-    // the "checked" property from DOM nodes
-    if ((/(\[[\w-]*?:|:checked)/).test(this.expression))
-      return false;
+    }
 
     return true;
@@ -2723 +3229 @@
 
   compileMatcher: function() {
-    if (this.shouldUseXPath())
-      return this.compileXPathMatcher();
-
     var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
-        c = Selector.criteria, le, p, m;
+        c = Selector.criteria, le, p, m, len = ps.length, name;
 
     if (Selector._cache[e]) {
@@ -2739 +3242 @@
     while (e && le != e && (/\S/).test(e)) {
       le = e;
-      for (var i in ps) {
-        p = ps[i];
+      for (var i = 0; i<len; i++) {
+        p = ps[i].re;
+        name = ps[i].name;
         if (m = e.match(p)) {
-          this.matcher.push(Object.isFunction(c[i]) ? c[i](m) :
-              new Template(c[i]).evaluate(m));
+          this.matcher.push(Object.isFunction(c[name]) ? c[name](m) :
+            new Template(c[name]).evaluate(m));
           e = e.replace(m[0], '');
           break;
@@ -2757 +3261 @@
   compileXPathMatcher: function() {
     var e = this.expression, ps = Selector.patterns,
-        x = Selector.xpath, le, m;
+        x = Selector.xpath, le, m, len = ps.length, name;
 
     if (Selector._cache[e]) {
@@ -2766 +3270 @@
     while (e && le != e && (/\S/).test(e)) {
       le = e;
-      for (var i in ps) {
-        if (m = e.match(ps[i])) {
-          this.matcher.push(Object.isFunction(x[i]) ? x[i](m) :
-            new Template(x[i]).evaluate(m));
+      for (var i = 0; i<len; i++) {
+        name = ps[i].name;
+        if (m = e.match(ps[i].re)) {
+          this.matcher.push(Object.isFunction(x[name]) ? x[name](m) :
+            new Template(x[name]).evaluate(m));
           e = e.replace(m[0], '');
           break;
@@ -2782 +3287 @@
   findElements: function(root) {
     root = root || document;
-    if (this.xpath) return document._getElementsByXPath(this.xpath, root);
-    return this.matcher(root);
+    var e = this.expression, results;
+
+    switch (this.mode) {
+      case 'selectorsAPI':
+        if (root !== document) {
+          var oldId = root.id, id = $(root).identify();
+          id = id.replace(/([\.:])/g, "\\$1");
+          e = "#" + id + " " + e;
+        }
+
+        results = $A(root.querySelectorAll(e)).map(Element.extend);
+        root.id = oldId;
+
+        return results;
+      case 'xpath':
+        return document._getElementsByXPath(this.xpath, root);
+      default:
+       return this.matcher(root);
+    }
   },
 
@@ -2790 +3312 @@
 
     var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
-    var le, p, m;
+    var le, p, m, len = ps.length, name;
 
     while (e && le !== e && (/\S/).test(e)) {
       le = e;
-      for (var i in ps) {
-        p = ps[i];
+      for (var i = 0; i<len; i++) {
+        p = ps[i].re;
+        name = ps[i].name;
         if (m = e.match(p)) {
-          // use the Selector.assertions methods unless the selector
-          // is too complex.
-          if (as[i]) {
-            this.tokens.push([i, Object.clone(m)]);
+          if (as[name]) {
+            this.tokens.push([name, Object.clone(m)]);
             e = e.replace(m[0], '');
           } else {
-            // reluctantly do a document-wide search
-            // and look for a match in the array
             return this.findElements(document).include(element);
           }
@@ -2830 +3349 @@
   }
 });
+
+if (Prototype.BrowserFeatures.SelectorsAPI &&
+ document.compatMode === 'BackCompat') {
+  Selector.CASE_INSENSITIVE_CLASS_NAMES = (function(){
+    var div = document.createElement('div'),
+     span = document.createElement('span');
+
+    div.id = "prototype_test_id";
+    span.className = 'Test';
+    div.appendChild(span);
+    var isIgnored = (div.querySelector('#prototype_test_id .test') !== null);
+    div = span = null;
+    return isIgnored;
+  })();
+}
 
 Object.extend(Selector, {
@@ -2874 +3408 @@
       'last-child':  '[not(following-sibling::*)]',
       'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
-      'empty':       "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]",
+      'empty':       "[count(*) = 0 and (count(text()) = 0)]",
       'checked':     "[@checked]",
-      'disabled':    "[@disabled]",
-      'enabled':     "[not(@disabled)]",
+      'disabled':    "[(@disabled) and (@type!='hidden')]",
+      'enabled':     "[not(@disabled) and (@type!='hidden')]",
       'not': function(m) {
         var e = m[6], p = Selector.patterns,
-            x = Selector.xpath, le, v;
+            x = Selector.xpath, le, v, len = p.length, name;
 
         var exclusion = [];
         while (e && le != e && (/\S/).test(e)) {
           le = e;
-          for (var i in p) {
-            if (m = e.match(p[i])) {
-              v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m);
+          for (var i = 0; i<len; i++) {
+            name = p[i].name
+            if (m = e.match(p[i].re)) {
+              v = Object.isFunction(x[name]) ? x[name](m) : new Template(x[name]).evaluate(m);
               exclusion.push("(" + v.substring(1, v.length - 1) + ")");
               e = e.replace(m[0], '');
@@ -2955 +3490 @@
   },
 
-  patterns: {
-    // combinators must be listed first
-    // (and descendant needs to be last combinator)
-    laterSibling: /^\s*~\s*/,
-    child:        /^\s*>\s*/,
-    adjacent:     /^\s*\+\s*/,
-    descendant:   /^\s/,
-
-    // selectors follow
-    tagName:      /^\s*(\*|[\w\-]+)(\b|$)?/,
-    id:           /^#([\w\-\*]+)(\b|$)/,
-    className:    /^\.([\w\-\*]+)(\b|$)/,
-    pseudo:
-/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,
-    attrPresence: /^\[([\w]+)\]/,
-    attr:         /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
-  },
-
-  // for Selector.match and Element#match
+  patterns: [
+    { name: 'laterSibling', re: /^\s*~\s*/ },
+    { name: 'child',        re: /^\s*>\s*/ },
+    { name: 'adjacent',     re: /^\s*\+\s*/ },
+    { name: 'descendant',   re: /^\s/ },
+
+    { name: 'tagName',      re: /^\s*(\*|[\w\-]+)(\b|$)?/ },
+    { name: 'id',           re: /^#([\w\-\*]+)(\b|$)/ },
+    { name: 'className',    re: /^\.([\w\-\*]+)(\b|$)/ },
+    { name: 'pseudo',       re: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/ },
+    { name: 'attrPresence', re: /^\[((?:[\w-]+:)?[\w-]+)\]/ },
+    { name: 'attr',         re: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ }
+  ],
+
   assertions: {
     tagName: function(element, matches) {
@@ -2998 +3528 @@
 
   handlers: {
-    // UTILITY FUNCTIONS
-    // joins two collections
     concat: function(a, b) {
       for (var i = 0, node; node = b[i]; i++)
@@ -3006 +3534 @@
     },
 
-    // marks an array of nodes for counting
     mark: function(nodes) {
       var _true = Prototype.emptyFunction;
@@ -3014 +3541 @@
     },
 
-    unmark: function(nodes) {
-      for (var i = 0, node; node = nodes[i]; i++)
-        node._countedByPrototype = undefined;
-      return nodes;
-    },
-
-    // mark each child node with its position (for nth calls)
-    // "ofType" flag indicates whether we're indexing for nth-of-type
-    // rather than nth-child
+    unmark: (function(){
+
+      var PROPERTIES_ATTRIBUTES_MAP = (function(){
+        var el = document.createElement('div'),
+            isBuggy = false,
+            propName = '_countedByPrototype',
+            value = 'x'
+        el[propName] = value;
+        isBuggy = (el.getAttribute(propName) === value);
+        el = null;
+        return isBuggy;
+      })();
+
+      return PROPERTIES_ATTRIBUTES_MAP ?
+        function(nodes) {
+          for (var i = 0, node; node = nodes[i]; i++)
+            node.removeAttribute('_countedByPrototype');
+          return nodes;
+        } :
+        function(nodes) {
+          for (var i = 0, node; node = nodes[i]; i++)
+            node._countedByPrototype = void 0;
+          return nodes;
+        }
+    })(),
+
     index: function(parentNode, reverse, ofType) {
       parentNode._countedByPrototype = Prototype.emptyFunction;
@@ -3036 +3580 @@
     },
 
-    // filters out duplicates and extends all nodes
     unique: function(nodes) {
       if (nodes.length == 0) return nodes;
       var results = [], n;
       for (var i = 0, l = nodes.length; i < l; i++)
-        if (!(n = nodes[i])._countedByPrototype) {
+        if (typeof (n = nodes[i])._countedByPrototype == 'undefined') {
           n._countedByPrototype = Prototype.emptyFunction;
           results.push(Element.extend(n));
@@ -3048 +3591 @@
     },
 
-    // COMBINATOR FUNCTIONS
     descendant: function(nodes) {
       var h = Selector.handlers;
@@ -3082 +3624 @@
     nextElementSibling: function(node) {
       while (node = node.nextSibling)
-              if (node.nodeType == 1) return node;
+        if (node.nodeType == 1) return node;
       return null;
     },
@@ -3092 +3634 @@
     },
 
-    // TOKEN FUNCTIONS
     tagName: function(nodes, root, tagName, combinator) {
       var uTagName = tagName.toUpperCase();
@@ -3098 +3639 @@
       if (nodes) {
         if (combinator) {
-          // fastlane for ordinary descendant combinators
           if (combinator == "descendant") {
             for (var i = 0, node; node = nodes[i]; i++)
@@ -3114 +3654 @@
     id: function(nodes, root, id, combinator) {
       var targetNode = $(id), h = Selector.handlers;
-      if (!targetNode) return [];
-      if (!nodes && root == document) return [targetNode];
+
+      if (root == document) {
+        if (!targetNode) return [];
+        if (!nodes) return [targetNode];
+      } else {
+        if (!root.sourceIndex || root.sourceIndex < 1) {
+          var nodes = root.getElementsByTagName('*');
+          for (var j = 0, node; node = nodes[j]; j++) {
+            if (node.id === id) return [node];
+          }
+        }
+      }
+
       if (nodes) {
         if (combinator) {
@@ -3227 +3778 @@
     },
 
-    // handles the an+b logic
     getIndices: function(a, b, total) {
       if (a == 0) return b > 0 ? [b] : [];
@@ -3236 +3786 @@
     },
 
-    // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
     nth: function(nodes, formula, root, reverse, ofType) {
       if (nodes.length == 0) return [];
@@ -3270 +3819 @@
     'empty': function(nodes, value, root) {
       for (var i = 0, results = [], node; node = nodes[i]; i++) {
-        // IE treats comments as element nodes
-        if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue;
+        if (node.tagName == '!' || node.firstChild) continue;
         results.push(node);
       }
@@ -3289 +3837 @@
     'enabled': function(nodes, value, root) {
       for (var i = 0, results = [], node; node = nodes[i]; i++)
-        if (!node.disabled) results.push(node);
+        if (!node.disabled && (!node.type || node.type !== 'hidden'))
+          results.push(node);
       return results;
     },
@@ -3309 +3858 @@
     '=':  function(nv, v) { return nv == v; },
     '!=': function(nv, v) { return nv != v; },
-    '^=': function(nv, v) { return nv.startsWith(v); },
-    '$=': function(nv, v) { return nv.endsWith(v); },
-    '*=': function(nv, v) { return nv.include(v); },
+    '^=': function(nv, v) { return nv == v || nv && nv.startsWith(v); },
+    '$=': function(nv, v) { return nv == v || nv && nv.endsWith(v); },
+    '*=': function(nv, v) { return nv == v || nv && nv.include(v); },
     '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
-    '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); }
+    '|=': function(nv, v) { return ('-' + (nv || "").toUpperCase() +
+     '-').include('-' + (v || "").toUpperCase() + '-'); }
   },
 
@@ -3353 +3903 @@
 if (Prototype.Browser.IE) {
   Object.extend(Selector.handlers, {
-    // IE returns comment nodes on getElementsByTagName("*").
-    // Filter them out.
     concat: function(a, b) {
       for (var i = 0, node; node = b[i]; i++)
         if (node.tagName !== "!") a.push(node);
       return a;
-    },
-
-    // IE improperly serializes _countedByPrototype in (inner|outer)HTML.
-    unmark: function(nodes) {
-      for (var i = 0, node; node = nodes[i]; i++)
-        node.removeAttribute('_countedByPrototype');
-      return nodes;
     }
   });
@@ -3373 +3914 @@
   return Selector.findChildElements(document, $A(arguments));
 }
+
 var Form = {
   reset: function(form) {
-    $(form).reset();
+    form = $(form);
+    form.reset();
     return form;
   },
@@ -3387 +3930 @@
       if (!element.disabled && element.name) {
         key = element.name; value = $(element).getValue();
-        if (value != null && (element.type != 'submit' || (!submitted &&
+        if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
             submit !== false && (!submit || key == submit) && (submitted = true)))) {
           if (key in result) {
-            // a key is already present; construct an array of values
             if (!Object.isArray(result[key])) result[key] = [result[key]];
             result[key].push(value);
@@ -3410 +3952 @@
 
   getElements: function(form) {
-    return $A($(form).getElementsByTagName('*')).inject([],
-      function(elements, child) {
-        if (Form.Element.Serializers[child.tagName.toLowerCase()])
-          elements.push(Element.extend(child));
-        return elements;
-      }
-    );
+    var elements = $(form).getElementsByTagName('*'),
+        element,
+        arr = [ ],
+        serializers = Form.Element.Serializers;
+    for (var i = 0; element = elements[i]; i++) {
+      arr.push(element);
+    }
+    return arr.inject([], function(elements, child) {
+      if (serializers[child.tagName.toLowerCase()])
+        elements.push(Element.extend(child));
+      return elements;
+    })
   },
 
@@ -3456 +4003 @@
 
     return firstByIndex ? firstByIndex : elements.find(function(element) {
-      return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
+      return /^(?:input|select|textarea)$/i.test(element.tagName);
     });
   },
@@ -3487 +4034 @@
 /*--------------------------------------------------------------------------*/
 
+
 Form.Element = {
   focus: function(element) {
@@ -3500 +4048 @@
 
 Form.Element.Methods = {
+
   serialize: function(element) {
     element = $(element);
@@ -3540 +4089 @@
       element.focus();
       if (element.select && (element.tagName.toLowerCase() != 'input' ||
-          !['button', 'reset', 'submit'].include(element.type)))
+          !(/^(?:button|reset|submit)$/i.test(element.type))))
         element.select();
     } catch (e) { }
@@ -3548 +4097 @@
   disable: function(element) {
     element = $(element);
-    element.blur();
     element.disabled = true;
     return element;
@@ -3563 +4111 @@
 
 var Field = Form.Element;
+
 var $F = Form.Element.Methods.getValue;
 
@@ -3588 +4137 @@
   },
 
-  select: function(element, index) {
-    if (Object.isUndefined(index))
+  select: function(element, value) {
+    if (Object.isUndefined(value))
       return this[element.type == 'select-one' ?
         'selectOne' : 'selectMany'](element);
     else {
-      var opt, value, single = !Object.isArray(index);
+      var opt, currentValue, single = !Object.isArray(value);
       for (var i = 0, length = element.length; i < length; i++) {
         opt = element.options[i];
-        value = this.optionValue(opt);
+        currentValue = this.optionValue(opt);
         if (single) {
-          if (value == index) {
+          if (currentValue == value) {
             opt.selected = true;
             return;
           }
         }
-        else opt.selected = index.include(value);
+        else opt.selected = value.include(currentValue);
       }
     }
@@ -3625 +4174 @@
 
   optionValue: function(opt) {
-    // extend element because hasAttribute may not be native
     return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
   }
@@ -3631 +4179 @@
 
 /*--------------------------------------------------------------------------*/
+
 
 Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
@@ -3713 +4262 @@
   }
 });
-if (!window.Event) var Event = { };
-
-Object.extend(Event, {
-  KEY_BACKSPACE: 8,
-  KEY_TAB:       9,
-  KEY_RETURN:   13,
-  KEY_ESC:      27,
-  KEY_LEFT:     37,
-  KEY_UP:       38,
-  KEY_RIGHT:    39,
-  KEY_DOWN:     40,
-  KEY_DELETE:   46,
-  KEY_HOME:     36,
-  KEY_END:      35,
-  KEY_PAGEUP:   33,
-  KEY_PAGEDOWN: 34,
-  KEY_INSERT:   45,
-
-  cache: { },
-
-  relatedTarget: function(event) {
-    var element;
-    switch(event.type) {
-      case 'mouseover': element = event.fromElement; break;
-      case 'mouseout':  element = event.toElement;   break;
-      default: return null;
-    }
-    return Element.extend(element);
-  }
-});
-
-Event.Methods = (function() {
-  var isButton;
-
+(function() {
+
+  var Event = {
+    KEY_BACKSPACE: 8,
+    KEY_TAB:       9,
+    KEY_RETURN:   13,
+    KEY_ESC:      27,
+    KEY_LEFT:     37,
+    KEY_UP:       38,
+    KEY_RIGHT:    39,
+    KEY_DOWN:     40,
+    KEY_DELETE:   46,
+    KEY_HOME:     36,
+    KEY_END:      35,
+    KEY_PAGEUP:   33,
+    KEY_PAGEDOWN: 34,
+    KEY_INSERT:   45,
+
+    cache: {}
+  };
+
+  var docEl = document.documentElement;
+  var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED = 'onmouseenter' in docEl
+    && 'onmouseleave' in docEl;
+
+  var _isButton;
   if (Prototype.Browser.IE) {
     var buttonMap = { 0: 1, 1: 4, 2: 2 };
-    isButton = function(event, code) {
-      return event.button == buttonMap[code];
+    _isButton = function(event, code) {
+      return event.button === buttonMap[code];
     };
-
   } else if (Prototype.Browser.WebKit) {
-    isButton = function(event, code) {
+    _isButton = function(event, code) {
       switch (code) {
         case 0: return event.which == 1 && !event.metaKey;
@@ -3761 +4301 @@
       }
     };
-
   } else {
-    isButton = function(event, code) {
+    _isButton = function(event, code) {
       return event.which ? (event.which === code + 1) : (event.button === code);
     };
   }
 
-  return {
-    isLeftClick:   function(event) { return isButton(event, 0) },
-    isMiddleClick: function(event) { return isButton(event, 1) },
-    isRightClick:  function(event) { return isButton(event, 2) },
-
-    element: function(event) {
-      var node = Event.extend(event).target;
-      return Element.extend(node.nodeType == Node.TEXT_NODE ? node.parentNode : node);
-    },
-
-    findElement: function(event, expression) {
-      var element = Event.element(event);
-      if (!expression) return element;
-      var elements = [element].concat(element.ancestors());
-      return Selector.findElement(elements, expression, 0);
-    },
-
-    pointer: function(event) {
-      return {
-        x: event.pageX || (event.clientX +
-          (document.documentElement.scrollLeft || document.body.scrollLeft)),
-        y: event.pageY || (event.clientY +
-          (document.documentElement.scrollTop || document.body.scrollTop))
-      };
-    },
-
-    pointerX: function(event) { return Event.pointer(event).x },
-    pointerY: function(event) { return Event.pointer(event).y },
-
-    stop: function(event) {
-      Event.extend(event);
-      event.preventDefault();
-      event.stopPropagation();
-      event.stopped = true;
-    }
+  function isLeftClick(event)   { return _isButton(event, 0) }
+
+  function isMiddleClick(event) { return _isButton(event, 1) }
+
+  function isRightClick(event)  { return _isButton(event, 2) }
+
+  function element(event) {
+    event = Event.extend(event);
+
+    var node = event.target, type = event.type,
+     currentTarget = event.currentTarget;
+
+    if (currentTarget && currentTarget.tagName) {
+      if (type === 'load' || type === 'error' ||
+        (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
+          && currentTarget.type === 'radio'))
+            node = currentTarget;
+    }
+
+    if (node.nodeType == Node.TEXT_NODE)
+      node = node.parentNode;
+
+    return Element.extend(node);
+  }
+
+  function findElement(event, expression) {
+    var element = Event.element(event);
+    if (!expression) return element;
+    var elements = [element].concat(element.ancestors());
+    return Selector.findElement(elements, expression, 0);
+  }
+
+  function pointer(event) {
+    return { x: pointerX(event), y: pointerY(event) };
+  }
+
+  function pointerX(event) {
+    var docElement = document.documentElement,
+     body = document.body || { scrollLeft: 0 };
+
+    return event.pageX || (event.clientX +
+      (docElement.scrollLeft || body.scrollLeft) -
+      (docElement.clientLeft || 0));
+  }
+
+  function pointerY(event) {
+    var docElement = document.documentElement,
+     body = document.body || { scrollTop: 0 };
+
+    return  event.pageY || (event.clientY +
+       (docElement.scrollTop || body.scrollTop) -
+       (docElement.clientTop || 0));
+  }
+
+
+  function stop(event) {
+    Event.extend(event);
+    event.preventDefault();
+    event.stopPropagation();
+
+    event.stopped = true;
+  }
+
+  Event.Methods = {
+    isLeftClick: isLeftClick,
+    isMiddleClick: isMiddleClick,
+    isRightClick: isRightClick,
+
+    element: element,
+    findElement: findElement,
+
+    pointer: pointer,
+    pointerX: pointerX,
+    pointerY: pointerY,
+
+    stop: stop
   };
-})();
-
-Event.extend = (function() {
+
+
   var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
     m[name] = Event.Methods[name].methodize();
@@ -3813 +4392 @@
 
   if (Prototype.Browser.IE) {
+    function _relatedTarget(event) {
+      var element;
+      switch (event.type) {
+        case 'mouseover': element = event.fromElement; break;
+        case 'mouseout':  element = event.toElement;   break;
+        default: return null;
+      }
+      return Element.extend(element);
+    }
+
     Object.extend(methods, {
       stopPropagation: function() { this.cancelBubble = true },
       preventDefault:  function() { this.returnValue = false },
-      inspect: function() { return "[object Event]" }
+      inspect: function() { return '[object Event]' }
     });
 
-    return function(event) {
+    Event.extend = function(event, element) {
       if (!event) return false;
       if (event._extendedByPrototype) return event;
@@ -3825 +4414 @@
       event._extendedByPrototype = Prototype.emptyFunction;
       var pointer = Event.pointer(event);
+
       Object.extend(event, {
-        target: event.srcElement,
-        relatedTarget: Event.relatedTarget(event),
+        target: event.srcElement || element,
+        relatedTarget: _relatedTarget(event),
         pageX:  pointer.x,
         pageY:  pointer.y
       });
+
       return Object.extend(event, methods);
     };
-
   } else {
-    Event.prototype = Event.prototype || document.createEvent("HTMLEvents").__proto__;
+    Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__;
     Object.extend(Event.prototype, methods);
-    return Prototype.K;
-  }
+    Event.extend = Prototype.K;
+  }
+
+  function _createResponder(element, eventName, handler) {
+    var registry = Element.retrieve(element, 'prototype_event_registry');
+
+    if (Object.isUndefined(registry)) {
+      CACHE.push(element);
+      registry = Element.retrieve(element, 'prototype_event_registry', $H());
+    }
+
+    var respondersForEvent = registry.get(eventName);
+    if (Object.isUndefined(respondersForEvent)) {
+      respondersForEvent = [];
+      registry.set(eventName, respondersForEvent);
+    }
+
+    if (respondersForEvent.pluck('handler').include(handler)) return false;
+
+    var responder;
+    if (eventName.include(":")) {
+      responder = function(event) {
+        if (Object.isUndefined(event.eventName))
+          return false;
+
+        if (event.eventName !== eventName)
+          return false;
+
+        Event.extend(event, element);
+        handler.call(element, event);
+      };
+    } else {
+      if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED &&
+       (eventName === "mouseenter" || eventName === "mouseleave")) {
+        if (eventName === "mouseenter" || eventName === "mouseleave") {
+          responder = function(event) {
+            Event.extend(event, element);
+
+            var parent = event.relatedTarget;
+            while (parent && parent !== element) {
+              try { parent = parent.parentNode; }
+              catch(e) { parent = element; }
+            }
+
+            if (parent === element) return;
+
+            handler.call(element, event);
+          };
+        }
+      } else {
+        responder = function(event) {
+          Event.extend(event, element);
+          handler.call(element, event);
+        };
+      }
+    }
+
+    responder.handler = handler;
+    respondersForEvent.push(responder);
+    return responder;
+  }
+
+  function _destroyCache() {
+    for (var i = 0, length = CACHE.length; i < length; i++) {
+      Event.stopObserving(CACHE[i]);
+      CACHE[i] = null;
+    }
+  }
+
+  var CACHE = [];
+
+  if (Prototype.Browser.IE)
+    window.attachEvent('onunload', _destroyCache);
+
+  if (Prototype.Browser.WebKit)
+    window.addEventListener('unload', Prototype.emptyFunction, false);
+
+
+  var _getDOMEventName = Prototype.K;
+
+  if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED) {
+    _getDOMEventName = function(eventName) {
+      var translations = { mouseenter: "mouseover", mouseleave: "mouseout" };
+      return eventName in translations ? translations[eventName] : eventName;
+    };
+  }
+
+  function observe(element, eventName, handler) {
+    element = $(element);
+
+    var responder = _createResponder(element, eventName, handler);
+
+    if (!responder) return element;
+
+    if (eventName.include(':')) {
+      if (element.addEventListener)
+        element.addEventListener("dataavailable", responder, false);
+      else {
+        element.attachEvent("ondataavailable", responder);
+        element.attachEvent("onfilterchange", responder);
+      }
+    } else {
+      var actualEventName = _getDOMEventName(eventName);
+
+      if (element.addEventListener)
+        element.addEventListener(actualEventName, responder, false);
+      else
+        element.attachEvent("on" + actualEventName, responder);
+    }
+
+    return element;
+  }
+
+  function stopObserving(element, eventName, handler) {
+    element = $(element);
+
+    var registry = Element.retrieve(element, 'prototype_event_registry');
+
+    if (Object.isUndefined(registry)) return element;
+
+    if (eventName && !handler) {
+      var responders = registry.get(eventName);
+
+      if (Object.isUndefined(responders)) return element;
+
+      responders.each( function(r) {
+        Element.stopObserving(element, eventName, r.handler);
+      });
+      return element;
+    } else if (!eventName) {
+      registry.each( function(pair) {
+        var eventName = pair.key, responders = pair.value;
+
+        responders.each( function(r) {
+          Element.stopObserving(element, eventName, r.handler);
+        });
+      });
+      return element;
+    }
+
+    var responders = registry.get(eventName);
+
+    if (!responders) return;
+
+    var responder = responders.find( function(r) { return r.handler === handler; });
+    if (!responder) return element;
+
+    var actualEventName = _getDOMEventName(eventName);
+
+    if (eventName.include(':')) {
+      if (element.removeEventListener)
+        element.removeEventListener("dataavailable", responder, false);
+      else {
+        element.detachEvent("ondataavailable", responder);
+        element.detachEvent("onfilterchange",  responder);
+      }
+    } else {
+      if (element.removeEventListener)
+        element.removeEventListener(actualEventName, responder, false);
+      else
+        element.detachEvent('on' + actualEventName, responder);
+    }
+
+    registry.set(eventName, responders.without(responder));
+
+    return element;
+  }
+
+  function fire(element, eventName, memo, bubble) {
+    element = $(element);
+
+    if (Object.isUndefined(bubble))
+      bubble = true;
+
+    if (element == document && document.createEvent && !element.dispatchEvent)
+      element = document.documentElement;
+
+    var event;
+    if (document.createEvent) {
+      event = document.createEvent('HTMLEvents');
+      event.initEvent('dataavailable', true, true);
+    } else {
+      event = document.createEventObject();
+      event.eventType = bubble ? 'ondataavailable' : 'onfilterchange';
+    }
+
+    event.eventName = eventName;
+    event.memo = memo || { };
+
+    if (document.createEvent)
+      element.dispatchEvent(event);
+    else
+      element.fireEvent(event.eventType, event);
+
+    return Event.extend(event);
+  }
+
+
+  Object.extend(Event, Event.Methods);
+
+  Object.extend(Event, {
+    fire:          fire,
+    observe:       observe,
+    stopObserving: stopObserving
+  });
+
+  Element.addMethods({
+    fire:          fire,
+
+    observe:       observe,
+
+    stopObserving: stopObserving
+  });
+
+  Object.extend(document, {
+    fire:          fire.methodize(),
+
+    observe:       observe.methodize(),
+
+    stopObserving: stopObserving.methodize(),
+
+    loaded:        false
+  });
+
+  if (window.Event) Object.extend(window.Event, Event);
+  else window.Event = Event;
 })();
-
-Object.extend(Event, (function() {
-  var cache = Event.cache;
-
-  function getEventID(element) {
-    if (element._prototypeEventID) return element._prototypeEventID[0];
-    arguments.callee.id = arguments.callee.id || 1;
-    return element._prototypeEventID = [++arguments.callee.id];
-  }
-
-  function getDOMEventName(eventName) {
-    if (eventName && eventName.include(':')) return "dataavailable";
-    return eventName;
-  }
-
-  function getCacheForID(id) {
-    return cache[id] = cache[id] || { };
-  }
-
-  function getWrappersForEventName(id, eventName) {
-    var c = getCacheForID(id);
-    return c[eventName] = c[eventName] || [];
-  }
-
-  function createWrapper(element, eventName, handler) {
-    var id = getEventID(element);
-    var c = getWrappersForEventName(id, eventName);
-    if (c.pluck("handler").include(handler)) return false;
-
-    var wrapper = function(event) {
-      if (!Event || !Event.extend ||
-        (event.eventName && event.eventName != eventName))
-          return false;
-
-      Event.extend(event);
-      handler.call(element, event);
-    };
-
-    wrapper.handler = handler;
-    c.push(wrapper);
-    return wrapper;
-  }
-
-  function findWrapper(id, eventName, handler) {
-    var c = getWrappersForEventName(id, eventName);
-    return c.find(function(wrapper) { return wrapper.handler == handler });
-  }
-
-  function destroyWrapper(id, eventName, handler) {
-    var c = getCacheForID(id);
-    if (!c[eventName]) return false;
-    c[eventName] = c[eventName].without(findWrapper(id, eventName, handler));
-  }
-
-  function destroyCache() {
-    for (var id in cache)
-      for (var eventName in cache[id])
-        cache[id][eventName] = null;
-  }
-
-  if (window.attachEvent) {
-    window.attachEvent("onunload", destroyCache);
-  }
-
-  return {
-    observe: function(element, eventName, handler) {
-      element = $(element);
-      var name = getDOMEventName(eventName);
-
-      var wrapper = createWrapper(element, eventName, handler);
-      if (!wrapper) return element;
-
-      if (element.addEventListener) {
-        element.addEventListener(name, wrapper, false);
-      } else {
-        element.attachEvent("on" + name, wrapper);
-      }
-
-      return element;
-    },
-
-    stopObserving: function(element, eventName, handler) {
-      element = $(element);
-      var id = getEventID(element), name = getDOMEventName(eventName);
-
-      if (!handler && eventName) {
-        getWrappersForEventName(id, eventName).each(function(wrapper) {
-          element.stopObserving(eventName, wrapper.handler);
-        });
-        return element;
-
-      } else if (!eventName) {
-        Object.keys(getCacheForID(id)).each(function(eventName) {
-          element.stopObserving(eventName);
-        });
-        return element;
-      }
-
-      var wrapper = findWrapper(id, eventName, handler);
-      if (!wrapper) return element;
-
-      if (element.removeEventListener) {
-        element.removeEventListener(name, wrapper, false);
-      } else {
-        element.detachEvent("on" + name, wrapper);
-      }
-
-      destroyWrapper(id, eventName, handler);
-
-      return element;
-    },
-
-    fire: function(element, eventName, memo) {
-      element = $(element);
-      if (element == document && document.createEvent && !element.dispatchEvent)
-        element = document.documentElement;
-
-      var event;
-      if (document.createEvent) {
-        event = document.createEvent("HTMLEvents");
-        event.initEvent("dataavailable", true, true);
-      } else {
-        event = document.createEventObject();
-        event.eventType = "ondataavailable";
-      }
-
-      event.eventName = eventName;
-      event.memo = memo || { };
-
-      if (document.createEvent) {
-        element.dispatchEvent(event);
-      } else {
-        element.fireEvent(event.eventType, event);
-      }
-
-      return Event.extend(event);
-    }
-  };
-})());
-
-Object.extend(Event, Event.Methods);
-
-Element.addMethods({
-  fire:          Event.fire,
-  observe:       Event.observe,
-  stopObserving: Event.stopObserving
-});
-
-Object.extend(document, {
-  fire:          Element.Methods.fire.methodize(),
-  observe:       Element.Methods.observe.methodize(),
-  stopObserving: Element.Methods.stopObserving.methodize(),
-  loaded:        false
-});
 
 (function() {
   /* Support for the DOMContentLoaded event is based on work by Dan Webb,
-     Matthias Miller, Dean Edwards and John Resig. */
+     Matthias Miller, Dean Edwards, John Resig, and Diego Perini. */
 
   var timer;
@@ -4003 +4663 @@
   function fireContentLoadedEvent() {
     if (document.loaded) return;
-    if (timer) window.clearInterval(timer);
-    document.fire("dom:loaded");
+    if (timer) window.clearTimeout(timer);
     document.loaded = true;
+    document.fire('dom:loaded');
+  }
+
+  function checkReadyState() {
+    if (document.readyState === 'complete') {
+      document.stopObserving('readystatechange', checkReadyState);
+      fireContentLoadedEvent();
+    }
+  }
+
+  function pollDoScroll() {
+    try { document.documentElement.doScroll('left'); }
+    catch(e) {
+      timer = pollDoScroll.defer();
+      return;
+    }
+    fireContentLoadedEvent();
   }
 
   if (document.addEventListener) {
-    if (Prototype.Browser.WebKit) {
-      timer = window.setInterval(function() {
-        if (/loaded|complete/.test(document.readyState))
-          fireContentLoadedEvent();
-      }, 0);
-
-      Event.observe(window, "load", fireContentLoadedEvent);
-
-    } else {
-      document.addEventListener("DOMContentLoaded",
-        fireContentLoadedEvent, false);
-    }
-
+    document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false);
   } else {
-    document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
-    $("__onDOMContentLoaded").onreadystatechange = function() {
-      if (this.readyState == "complete") {
-        this.onreadystatechange = null;
-        fireContentLoadedEvent();
-      }
-    };
-  }
+    document.observe('readystatechange', checkReadyState);
+    if (window == top)
+      timer = pollDoScroll.defer();
+  }
+
+  Event.observe(window, 'load', fireContentLoadedEvent);
 })();
+
+Element.addMethods();
+
 /*------------------------------- DEPRECATED -------------------------------*/
 
@@ -4060 +4725 @@
 var $continue = new Error('"throw $continue" is deprecated, use "return" instead');
 
-// This should be moved to script.aculo.us; notice the deprecated methods
-// further below, that map to the newer Element methods.
 var Position = {
-  // set to true if needed, warning: firefox performance problems
-  // NOT neeeded for page scrolling, only if draggable contained in
-  // scrollable elements
   includeScrollOffsets: false,
 
-  // must be called before calling withinIncludingScrolloffset, every time the
-  // page is scrolled
   prepare: function() {
     this.deltaX =  window.pageXOffset
@@ -4081 +4739 @@
   },
 
-  // caches x/y coordinate pair to use with overlap
   within: function(element, x, y) {
     if (this.includeScrollOffsets)
@@ -4108 +4765 @@
   },
 
-  // within must be called directly before
   overlap: function(mode, element) {
     if (!mode) return 0;
@@ -4119 +4775 @@
   },
 
-  // Deprecation layer -- use newer Element methods now (1.5.2).
 
   cumulativeOffset: Element.Methods.cumulativeOffset,
@@ -4218 +4873 @@
 
 /*--------------------------------------------------------------------------*/
-
-Element.addMethods();