merge from 3.0 branch till 1475.

3 files changed, 1383 insertions, 1 deletions

diff --git a/framework/Web/Javascripts/js/compressed/containers.js b/framework/Web/Javascripts/js/compressed/containers.js
new file mode 100644
index 00000000..a57f08f8
--- /dev/null
+++ b/framework/Web/Javascripts/js/compressed/containers.js
@@ -0,0 +1,75 @@
+
+if(typeof Effect=='undefined')
+throw("dragdrop.js requires including script.aculo.us' effects.js library");var Droppables={drops:[],remove:function(element){this.drops=this.drops.reject(function(d){return d.element==$(element)});},add:function(element){element=$(element);var options=Object.extend({greedy:true,hoverclass:null,tree:false},arguments[1]||{});if(options.containment){options._containers=[];var containment=options.containment;if((typeof containment=='object')&&(containment.constructor==Array)){containment.each(function(c){options._containers.push($(c))});}else{options._containers.push($(containment));}}
+if(options.accept)options.accept=[options.accept].flatten();Element.makePositioned(element);options.element=element;this.drops.push(options);},findDeepestChild:function(drops){deepest=drops[0];for(i=1;i<drops.length;++i)
+if(Element.isParent(drops[i].element,deepest.element))
+deepest=drops[i];return deepest;},isContained:function(element,drop){var containmentNode;if(drop.tree){containmentNode=element.treeNode;}else{containmentNode=element.parentNode;}
+return drop._containers.detect(function(c){return containmentNode==c});},isAffected:function(point,element,drop){return((drop.element!=element)&&((!drop._containers)||this.isContained(element,drop))&&((!drop.accept)||(Element.classNames(element).detect(function(v){return drop.accept.include(v)})))&&Position.within(drop.element,point[0],point[1]));},deactivate:function(drop){if(drop.hoverclass)
+Element.removeClassName(drop.element,drop.hoverclass);this.last_active=null;},activate:function(drop){if(drop.hoverclass)
+Element.addClassName(drop.element,drop.hoverclass);this.last_active=drop;},show:function(point,element){if(!this.drops.length)return;var affected=[];if(this.last_active)this.deactivate(this.last_active);this.drops.each(function(drop){if(Droppables.isAffected(point,element,drop))
+affected.push(drop);});if(affected.length>0){drop=Droppables.findDeepestChild(affected);Position.within(drop.element,point[0],point[1]);if(drop.onHover)
+drop.onHover(element,drop.element,Position.overlap(drop.overlap,drop.element));Droppables.activate(drop);}},fire:function(event,element){if(!this.last_active)return;Position.prepare();if(this.isAffected([Event.pointerX(event),Event.pointerY(event)],element,this.last_active))
+if(this.last_active.onDrop)
+this.last_active.onDrop(element,this.last_active.element,event);},reset:function(){if(this.last_active)
+this.deactivate(this.last_active);}}
+var Draggables={drags:[],observers:[],register:function(draggable){if(this.drags.length==0){this.eventMouseUp=this.endDrag.bindAsEventListener(this);this.eventMouseMove=this.updateDrag.bindAsEventListener(this);this.eventKeypress=this.keyPress.bindAsEventListener(this);Event.observe(document,"mouseup",this.eventMouseUp);Event.observe(document,"mousemove",this.eventMouseMove);Event.observe(document,"keypress",this.eventKeypress);}
+this.drags.push(draggable);},unregister:function(draggable){this.drags=this.drags.reject(function(d){return d==draggable});if(this.drags.length==0){Event.stopObserving(document,"mouseup",this.eventMouseUp);Event.stopObserving(document,"mousemove",this.eventMouseMove);Event.stopObserving(document,"keypress",this.eventKeypress);}},activate:function(draggable){window.focus();this.activeDraggable=draggable;},deactivate:function(){this.activeDraggable=null;},updateDrag:function(event){if(!this.activeDraggable)return;var pointer=[Event.pointerX(event),Event.pointerY(event)];if(this._lastPointer&&(this._lastPointer.inspect()==pointer.inspect()))return;this._lastPointer=pointer;this.activeDraggable.updateDrag(event,pointer);},endDrag:function(event){if(!this.activeDraggable)return;this._lastPointer=null;this.activeDraggable.endDrag(event);this.activeDraggable=null;},keyPress:function(event){if(this.activeDraggable)
+this.activeDraggable.keyPress(event);},addObserver:function(observer){this.observers.push(observer);this._cacheObserverCallbacks();},removeObserver:function(element){this.observers=this.observers.reject(function(o){return o.element==element});this._cacheObserverCallbacks();},notify:function(eventName,draggable,event){if(this[eventName+'Count']>0)
+this.observers.each(function(o){if(o[eventName])o[eventName](eventName,draggable,event);});},_cacheObserverCallbacks:function(){['onStart','onEnd','onDrag'].each(function(eventName){Draggables[eventName+'Count']=Draggables.observers.select(function(o){return o[eventName];}).length;});}}
+var Draggable=Class.create();Draggable._revertCache={};Draggable._dragging={};Draggable.prototype={initialize:function(element){var options=Object.extend({handle:false,starteffect:function(element){element._opacity=Element.getOpacity(element);Draggable._dragging[element]=true;new Effect.Opacity(element,{duration:0.2,from:element._opacity,to:0.7});},reverteffect:function(element,top_offset,left_offset){var dur=Math.sqrt(Math.abs(top_offset^2)+Math.abs(left_offset^2))*0.02;Draggable._revertCache[element]=new Effect.Move(element,{x:-left_offset,y:-top_offset,duration:dur,queue:{scope:'_draggable',position:'end'}});},endeffect:function(element){var toOpacity=typeof element._opacity=='number'?element._opacity:1.0;new Effect.Opacity(element,{duration:0.2,from:0.7,to:toOpacity,queue:{scope:'_draggable',position:'end'},afterFinish:function(){Draggable._dragging[element]=false}});},zindex:1000,revert:false,scroll:false,scrollSensitivity:20,scrollSpeed:15,snap:false},arguments[1]||{});this.element=$(element);if(options.handle&&(typeof options.handle=='string')){var h=Element.childrenWithClassName(this.element,options.handle,true);if(h.length>0)this.handle=h[0];}
+if(!this.handle)this.handle=$(options.handle);if(!this.handle)this.handle=this.element;if(options.scroll&&!options.scroll.scrollTo&&!options.scroll.outerHTML)
+options.scroll=$(options.scroll);Element.makePositioned(this.element);this.delta=this.currentDelta();this.options=options;this.dragging=false;this.eventMouseDown=this.initDrag.bindAsEventListener(this);Event.observe(this.handle,"mousedown",this.eventMouseDown);Draggables.register(this);},destroy:function(){Event.stopObserving(this.handle,"mousedown",this.eventMouseDown);Draggables.unregister(this);},currentDelta:function(){return([parseInt(Element.getStyle(this.element,'left')||'0'),parseInt(Element.getStyle(this.element,'top')||'0')]);},initDrag:function(event){if(typeof Draggable._dragging[this.element]!=undefined&&Draggable._dragging[this.element])return;if(Event.isLeftClick(event)){var src=Event.element(event);if(src.tagName&&(src.tagName=='INPUT'||src.tagName=='SELECT'||src.tagName=='OPTION'||src.tagName=='BUTTON'||src.tagName=='TEXTAREA'))return;if(Draggable._revertCache[this.element]){Draggable._revertCache[this.element].cancel();Draggable._revertCache[this.element]=null;}
+var pointer=[Event.pointerX(event),Event.pointerY(event)];var pos=Position.cumulativeOffset(this.element);this.offset=[0,1].map(function(i){return(pointer[i]-pos[i])});Draggables.activate(this);Event.stop(event);}},startDrag:function(event){this.dragging=true;if(this.options.zindex){this.originalZ=parseInt(Element.getStyle(this.element,'z-index')||0);this.element.style.zIndex=this.options.zindex;}
+if(this.options.ghosting){this._clone=this.element.cloneNode(true);Position.absolutize(this.element);this.element.parentNode.insertBefore(this._clone,this.element);}
+if(this.options.scroll){if(this.options.scroll==window){var where=this._getWindowScroll(this.options.scroll);this.originalScrollLeft=where.left;this.originalScrollTop=where.top;}else{this.originalScrollLeft=this.options.scroll.scrollLeft;this.originalScrollTop=this.options.scroll.scrollTop;}}
+Draggables.notify('onStart',this,event);if(this.options.starteffect)this.options.starteffect(this.element);},updateDrag:function(event,pointer){if(!this.dragging)this.startDrag(event);Position.prepare();Droppables.show(pointer,this.element);Draggables.notify('onDrag',this,event);this.draw(pointer);if(this.options.change)this.options.change(this);if(this.options.scroll){this.stopScrolling();var p;if(this.options.scroll==window){with(this._getWindowScroll(this.options.scroll)){p=[left,top,left+width,top+height];}}else{p=Position.page(this.options.scroll);p[0]+=this.options.scroll.scrollLeft;p[1]+=this.options.scroll.scrollTop;p.push(p[0]+this.options.scroll.offsetWidth);p.push(p[1]+this.options.scroll.offsetHeight);}
+var speed=[0,0];if(pointer[0]<(p[0]+this.options.scrollSensitivity))speed[0]=pointer[0]-(p[0]+this.options.scrollSensitivity);if(pointer[1]<(p[1]+this.options.scrollSensitivity))speed[1]=pointer[1]-(p[1]+this.options.scrollSensitivity);if(pointer[0]>(p[2]-this.options.scrollSensitivity))speed[0]=pointer[0]-(p[2]-this.options.scrollSensitivity);if(pointer[1]>(p[3]-this.options.scrollSensitivity))speed[1]=pointer[1]-(p[3]-this.options.scrollSensitivity);this.startScrolling(speed);}
+if(navigator.appVersion.indexOf('AppleWebKit')>0)window.scrollBy(0,0);Event.stop(event);},finishDrag:function(event,success){this.dragging=false;if(this.options.ghosting){Position.relativize(this.element);Element.remove(this._clone);this._clone=null;}
+if(success)Droppables.fire(event,this.element);Draggables.notify('onEnd',this,event);var revert=this.options.revert;if(revert&&typeof revert=='function')revert=revert(this.element);var d=this.currentDelta();if(revert&&this.options.reverteffect){this.options.reverteffect(this.element,d[1]-this.delta[1],d[0]-this.delta[0]);}else{this.delta=d;}
+if(this.options.zindex)
+this.element.style.zIndex=this.originalZ;if(this.options.endeffect)
+this.options.endeffect(this.element);Draggables.deactivate(this);Droppables.reset();},keyPress:function(event){if(event.keyCode!=Event.KEY_ESC)return;this.finishDrag(event,false);Event.stop(event);},endDrag:function(event){if(!this.dragging)return;this.stopScrolling();this.finishDrag(event,true);Event.stop(event);},draw:function(point){var pos=Position.cumulativeOffset(this.element);var d=this.currentDelta();pos[0]-=d[0];pos[1]-=d[1];if(this.options.scroll&&(this.options.scroll!=window)){pos[0]-=this.options.scroll.scrollLeft-this.originalScrollLeft;pos[1]-=this.options.scroll.scrollTop-this.originalScrollTop;}
+var p=[0,1].map(function(i){return(point[i]-pos[i]-this.offset[i])}.bind(this));if(this.options.snap){if(typeof this.options.snap=='function'){p=this.options.snap(p[0],p[1],this);}else{if(this.options.snap instanceof Array){p=p.map(function(v,i){return Math.round(v/this.options.snap[i])*this.options.snap[i]}.bind(this))}else{p=p.map(function(v){return Math.round(v/this.options.snap)*this.options.snap}.bind(this))}}}
+var style=this.element.style;if((!this.options.constraint)||(this.options.constraint=='horizontal'))
+style.left=p[0]+"px";if((!this.options.constraint)||(this.options.constraint=='vertical'))
+style.top=p[1]+"px";if(style.visibility=="hidden")style.visibility="";},stopScrolling:function(){if(this.scrollInterval){clearInterval(this.scrollInterval);this.scrollInterval=null;Draggables._lastScrollPointer=null;}},startScrolling:function(speed){if(!(speed[0]||speed[1]))return;this.scrollSpeed=[speed[0]*this.options.scrollSpeed,speed[1]*this.options.scrollSpeed];this.lastScrolled=new Date();this.scrollInterval=setInterval(this.scroll.bind(this),10);},scroll:function(){var current=new Date();var delta=current-this.lastScrolled;this.lastScrolled=current;if(this.options.scroll==window){with(this._getWindowScroll(this.options.scroll)){if(this.scrollSpeed[0]||this.scrollSpeed[1]){var d=delta/1000;this.options.scroll.scrollTo(left+d*this.scrollSpeed[0],top+d*this.scrollSpeed[1]);}}}else{this.options.scroll.scrollLeft+=this.scrollSpeed[0]*delta/1000;this.options.scroll.scrollTop+=this.scrollSpeed[1]*delta/1000;}
+Position.prepare();Droppables.show(Draggables._lastPointer,this.element);Draggables.notify('onDrag',this);Draggables._lastScrollPointer=Draggables._lastScrollPointer||$A(Draggables._lastPointer);Draggables._lastScrollPointer[0]+=this.scrollSpeed[0]*delta/1000;Draggables._lastScrollPointer[1]+=this.scrollSpeed[1]*delta/1000;if(Draggables._lastScrollPointer[0]<0)
+Draggables._lastScrollPointer[0]=0;if(Draggables._lastScrollPointer[1]<0)
+Draggables._lastScrollPointer[1]=0;this.draw(Draggables._lastScrollPointer);if(this.options.change)this.options.change(this);},_getWindowScroll:function(w){var T,L,W,H;with(w.document){if(w.document.documentElement&&documentElement.scrollTop){T=documentElement.scrollTop;L=documentElement.scrollLeft;}else if(w.document.body){T=body.scrollTop;L=body.scrollLeft;}
+if(w.innerWidth){W=w.innerWidth;H=w.innerHeight;}else if(w.document.documentElement&&documentElement.clientWidth){W=documentElement.clientWidth;H=documentElement.clientHeight;}else{W=body.offsetWidth;H=body.offsetHeight}}
+return{top:T,left:L,width:W,height:H};}}
+var SortableObserver=Class.create();SortableObserver.prototype={initialize:function(element,observer){this.element=$(element);this.observer=observer;this.lastValue=Sortable.serialize(this.element);},onStart:function(){this.lastValue=Sortable.serialize(this.element);},onEnd:function(){Sortable.unmark();if(this.lastValue!=Sortable.serialize(this.element))
+this.observer(this.element)}}
+var Sortable={sortables:{},_findRootElement:function(element){while(element.tagName!="BODY"){if(element.id&&Sortable.sortables[element.id])return element;element=element.parentNode;}},options:function(element){element=Sortable._findRootElement($(element));if(!element)return;return Sortable.sortables[element.id];},destroy:function(element){var s=Sortable.options(element);if(s){Draggables.removeObserver(s.element);s.droppables.each(function(d){Droppables.remove(d)});s.draggables.invoke('destroy');delete Sortable.sortables[s.element.id];}},create:function(element){element=$(element);var options=Object.extend({element:element,tag:'li',dropOnEmpty:false,tree:false,treeTag:'ul',overlap:'vertical',constraint:'vertical',containment:element,handle:false,only:false,hoverclass:null,ghosting:false,scroll:false,scrollSensitivity:20,scrollSpeed:15,format:/^[^_]*_(.*)$/,onChange:Prototype.emptyFunction,onUpdate:Prototype.emptyFunction},arguments[1]||{});this.destroy(element);var options_for_draggable={revert:true,scroll:options.scroll,scrollSpeed:options.scrollSpeed,scrollSensitivity:options.scrollSensitivity,ghosting:options.ghosting,constraint:options.constraint,handle:options.handle};if(options.starteffect)
+options_for_draggable.starteffect=options.starteffect;if(options.reverteffect)
+options_for_draggable.reverteffect=options.reverteffect;else
+if(options.ghosting)options_for_draggable.reverteffect=function(element){element.style.top=0;element.style.left=0;};if(options.endeffect)
+options_for_draggable.endeffect=options.endeffect;if(options.zindex)
+options_for_draggable.zindex=options.zindex;var options_for_droppable={overlap:options.overlap,containment:options.containment,tree:options.tree,hoverclass:options.hoverclass,onHover:Sortable.onHover}
+var options_for_tree={onHover:Sortable.onEmptyHover,overlap:options.overlap,containment:options.containment,hoverclass:options.hoverclass}
+Element.cleanWhitespace(element);options.draggables=[];options.droppables=[];if(options.dropOnEmpty||options.tree){Droppables.add(element,options_for_tree);options.droppables.push(element);}
+(this.findElements(element,options)||[]).each(function(e){var handle=options.handle?Element.childrenWithClassName(e,options.handle)[0]:e;options.draggables.push(new Draggable(e,Object.extend(options_for_draggable,{handle:handle})));Droppables.add(e,options_for_droppable);if(options.tree)e.treeNode=element;options.droppables.push(e);});if(options.tree){(Sortable.findTreeElements(element,options)||[]).each(function(e){Droppables.add(e,options_for_tree);e.treeNode=element;options.droppables.push(e);});}
+this.sortables[element.id]=options;Draggables.addObserver(new SortableObserver(element,options.onUpdate));},findElements:function(element,options){return Element.findChildren(element,options.only,options.tree?true:false,options.tag);},findTreeElements:function(element,options){return Element.findChildren(element,options.only,options.tree?true:false,options.treeTag);},onHover:function(element,dropon,overlap){if(Element.isParent(dropon,element))return;if(overlap>.33&&overlap<.66&&Sortable.options(dropon).tree){return;}else if(overlap>0.5){Sortable.mark(dropon,'before');if(dropon.previousSibling!=element){var oldParentNode=element.parentNode;element.style.visibility="hidden";dropon.parentNode.insertBefore(element,dropon);if(dropon.parentNode!=oldParentNode)
+Sortable.options(oldParentNode).onChange(element);Sortable.options(dropon.parentNode).onChange(element);}}else{Sortable.mark(dropon,'after');var nextElement=dropon.nextSibling||null;if(nextElement!=element){var oldParentNode=element.parentNode;element.style.visibility="hidden";dropon.parentNode.insertBefore(element,nextElement);if(dropon.parentNode!=oldParentNode)
+Sortable.options(oldParentNode).onChange(element);Sortable.options(dropon.parentNode).onChange(element);}}},onEmptyHover:function(element,dropon,overlap){var oldParentNode=element.parentNode;var droponOptions=Sortable.options(dropon);if(!Element.isParent(dropon,element)){var index;var children=Sortable.findElements(dropon,{tag:droponOptions.tag,only:droponOptions.only});var child=null;if(children){var offset=Element.offsetSize(dropon,droponOptions.overlap)*(1.0-overlap);for(index=0;index<children.length;index+=1){if(offset-Element.offsetSize(children[index],droponOptions.overlap)>=0){offset-=Element.offsetSize(children[index],droponOptions.overlap);}else if(offset-(Element.offsetSize(children[index],droponOptions.overlap)/2)>=0){child=index+1<children.length?children[index+1]:null;break;}else{child=children[index];break;}}}
+dropon.insertBefore(element,child);Sortable.options(oldParentNode).onChange(element);droponOptions.onChange(element);}},unmark:function(){if(Sortable._marker)Element.hide(Sortable._marker);},mark:function(dropon,position){var sortable=Sortable.options(dropon.parentNode);if(sortable&&!sortable.ghosting)return;if(!Sortable._marker){Sortable._marker=$('dropmarker')||document.createElement('DIV');Element.hide(Sortable._marker);Element.addClassName(Sortable._marker,'dropmarker');Sortable._marker.style.position='absolute';document.getElementsByTagName("body").item(0).appendChild(Sortable._marker);}
+var offsets=Position.cumulativeOffset(dropon);Sortable._marker.style.left=offsets[0]+'px';Sortable._marker.style.top=offsets[1]+'px';if(position=='after')
+if(sortable.overlap=='horizontal')
+Sortable._marker.style.left=(offsets[0]+dropon.clientWidth)+'px';else
+Sortable._marker.style.top=(offsets[1]+dropon.clientHeight)+'px';Element.show(Sortable._marker);},_tree:function(element,options,parent){var children=Sortable.findElements(element,options)||[];for(var i=0;i<children.length;++i){var match=children[i].id.match(options.format);if(!match)continue;var child={id:encodeURIComponent(match?match[1]:null),element:element,parent:parent,children:new Array,position:parent.children.length,container:Sortable._findChildrenElement(children[i],options.treeTag.toUpperCase())}
+if(child.container)
+this._tree(child.container,options,child)
+parent.children.push(child);}
+return parent;},_findChildrenElement:function(element,containerTag){if(element&&element.hasChildNodes)
+for(var i=0;i<element.childNodes.length;++i)
+if(element.childNodes[i].tagName==containerTag)
+return element.childNodes[i];return null;},tree:function(element){element=$(element);var sortableOptions=this.options(element);var options=Object.extend({tag:sortableOptions.tag,treeTag:sortableOptions.treeTag,only:sortableOptions.only,name:element.id,format:sortableOptions.format},arguments[1]||{});var root={id:null,parent:null,children:new Array,container:element,position:0}
+return Sortable._tree(element,options,root);},_constructIndex:function(node){var index='';do{if(node.id)index='['+node.position+']'+index;}while((node=node.parent)!=null);return index;},sequence:function(element){element=$(element);var options=Object.extend(this.options(element),arguments[1]||{});return $(this.findElements(element,options)||[]).map(function(item){return item.id.match(options.format)?item.id.match(options.format)[1]:'';});},setSequence:function(element,new_sequence){element=$(element);var options=Object.extend(this.options(element),arguments[2]||{});var nodeMap={};this.findElements(element,options).each(function(n){if(n.id.match(options.format))
+nodeMap[n.id.match(options.format)[1]]=[n,n.parentNode];n.parentNode.removeChild(n);});new_sequence.each(function(ident){var n=nodeMap[ident];if(n){n[1].appendChild(n[0]);delete nodeMap[ident];}});},serialize:function(element){element=$(element);var options=Object.extend(Sortable.options(element),arguments[1]||{});var name=encodeURIComponent((arguments[1]&&arguments[1].name)?arguments[1].name:element.id);if(options.tree){return Sortable.tree(element,arguments[1]).children.map(function(item){return[name+Sortable._constructIndex(item)+"[id]="+
+encodeURIComponent(item.id)].concat(item.children.map(arguments.callee));}).flatten().join('&');}else{return Sortable.sequence(element,arguments[1]).map(function(item){return name+"[]="+encodeURIComponent(item);}).join('&');}}}
+Element.isParent=function(child,element){if(!child.parentNode||child==element)return false;if(child.parentNode==element)return true;return Element.isParent(child.parentNode,element);}
+Element.findChildren=function(element,only,recursive,tagName){if(!element.hasChildNodes())return null;tagName=tagName.toUpperCase();if(only)only=[only].flatten();var elements=[];$A(element.childNodes).each(function(e){if(e.tagName&&e.tagName.toUpperCase()==tagName&&(!only||(Element.classNames(e).detect(function(v){return only.include(v)}))))
+elements.push(e);if(recursive){var grandchildren=Element.findChildren(e,only,recursive,tagName);if(grandchildren)elements.push(grandchildren);}});return(elements.length>0?elements.flatten():[]);}
+Element.offsetSize=function(element,type){if(type=='vertical'||type=='height')
+return element.offsetHeight;else
+return element.offsetWidth;}
\ No newline at end of file
diff --git a/framework/Web/Javascripts/js/compressed/prado.js b/framework/Web/Javascripts/js/compressed/prado.js
index fbd2a9a2..9f8cdb19 100644
--- a/framework/Web/Javascripts/js/compressed/prado.js
+++ b/framework/Web/Javascripts/js/compressed/prado.js
@@ -19,4 +19,379 @@ var Base=function(){if(arguments.length){if(this==window){Base.prototype.extend.
 return this[source]=value;}else if(source){var _prototype={toSource:null};var _protected=["toString","valueOf"];if(Base._prototyping)_protected[2]="constructor";for(var i=0;(name=_protected[i]);i++){if(source[name]!=_prototype[name]){extend.call(this,name,source[name]);}}
 for(var name in source){if(!_prototype[name]){extend.call(this,name,source[name]);}}}
 return this;},base:function(){}};Base.extend=function(_instance,_static){var extend=Base.prototype.extend;if(!_instance)_instance={};Base._prototyping=true;var _prototype=new this;extend.call(_prototype,_instance);var constructor=_prototype.constructor;_prototype.constructor=this;delete Base._prototyping;var klass=function(){if(!Base._prototyping)constructor.apply(this,arguments);this.constructor=klass;};klass.prototype=_prototype;klass.extend=this.extend;klass.implement=this.implement;klass.toString=function(){return String(constructor);};extend.call(klass,_static);var object=constructor?klass:_prototype;if(object.init instanceof Function)object.init();return object;};Base.implement=function(_interface){if(_interface instanceof Function)_interface=_interface.prototype;this.prototype.extend(_interface);};Object.extend(String.prototype,{gsub:function(pattern,replacement){var result='',source=this,match;replacement=arguments.callee.prepareReplacement(replacement);while(source.length>0){if(match=source.match(pattern)){result+=source.slice(0,match.index);result+=(replacement(match)||'').toString();source=source.slice(match.index+match[0].length);}else{result+=source,source='';}}
-return result;},sub:function(pattern,replacement,count){replacement=this.gsub.prepareReplacement(replacement)
\ No newline at end of file
+return result;},sub:function(pattern,replacement,count){replacement=this.gsub.prepareReplacement(replacement);count=count===undefined?1:count;return this.gsub(pattern,function(match){if(--count<0)return match[0];return replacement(match);});},scan:function(pattern,iterator){this.gsub(pattern,iterator);return this;},truncate:function(length,truncation){length=length||30;truncation=truncation===undefined?'...':truncation;return this.length>length?this.slice(0,length-truncation.length)+truncation:this;},strip:function(){return this.replace(/^\s+/,'').replace(/\s+$/,'');},stripTags:function(){return this.replace(/<\/?[^>]+>/gi,'');},stripScripts:function(){return this.replace(new RegExp(Prototype.ScriptFragment,'img'),'');},extractScripts:function(){var matchAll=new RegExp(Prototype.ScriptFragment,'img');var matchOne=new RegExp(Prototype.ScriptFragment,'im');return(this.match(matchAll)||[]).map(function(scriptTag){return(scriptTag.match(matchOne)||['',''])[1];});},evalScripts:function(){return this.extractScripts().map(function(script){return eval(script)});},escapeHTML:function(){var div=document.createElement('div');var text=document.createTextNode(this);div.appendChild(text);return div.innerHTML;},unescapeHTML:function(){var div=document.createElement('div');div.innerHTML=this.stripTags();return div.childNodes[0]?div.childNodes[0].nodeValue:'';},toQueryParams:function(){var pairs=this.match(/^\??(.*)$/)[1].split('&');return pairs.inject({},function(params,pairString){var pair=pairString.split('=');params[pair[0]]=pair[1];return params;});},toArray:function(){return this.split('');},camelize:function(){var oStringList=this.split('-');if(oStringList.length==1)return oStringList[0];var camelizedString=this.indexOf('-')==0?oStringList[0].charAt(0).toUpperCase()+oStringList[0].substring(1):oStringList[0];for(var i=1,len=oStringList.length;i<len;i++){var s=oStringList[i];camelizedString+=s.charAt(0).toUpperCase()+s.substring(1);}
+return camelizedString;},inspect:function(){return"'"+this.replace(/\\/g,'\\\\').replace(/'/g,'\\\'')+"'";}});String.prototype.gsub.prepareReplacement=function(replacement){if(typeof replacement=='function')return replacement;var template=new Template(replacement);return function(match){return template.evaluate(match)};}
+String.prototype.parseQuery=String.prototype.toQueryParams;var Template=Class.create();Template.Pattern=/(^|.|\r|\n)(#\{(.*?)\})/;Template.prototype={initialize:function(template,pattern){this.template=template.toString();this.pattern=pattern||Template.Pattern;},evaluate:function(object){return this.template.gsub(this.pattern,function(match){var before=match[1];if(before=='\\')return match[2];return before+(object[match[3]]||'').toString();});}}
+Object.extend(String.prototype,{pad:function(side,len,chr){if(!chr)chr=' ';var s=this;var left=side.toLowerCase()=='left';while(s.length<len)s=left?chr+s:s+chr;return s;},padLeft:function(len,chr){return this.pad('left',len,chr);},padRight:function(len,chr){return this.pad('right',len,chr);},zerofill:function(len){return this.padLeft(len,'0');},trim:function(){return this.replace(/^\s+|\s+$/g,'');},trimLeft:function(){return this.replace(/^\s+/,'');},trimRight:function(){return this.replace(/\s+$/,'');},toFunction:function()
+{var commands=this.split(/\./);var command=window;commands.each(function(action)
+{if(command[new String(action)])
+command=command[new String(action)];});if(typeof(command)=="function")
+return command;else
+{if(typeof Logger!="undefined")
+Logger.error("Missing function",this);throw new Error("Missing function '"+this+"'");}},toInteger:function()
+{var exp=/^\s*[-\+]?\d+\s*$/;if(this.match(exp)==null)
+return null;var num=parseInt(this,10);return(isNaN(num)?null:num);},toDouble:function(decimalchar)
+{if(this.length<=0)return null;decimalchar=decimalchar||".";var exp=new RegExp("^\\s*([-\\+])?(\\d+)?(\\"+decimalchar+"(\\d+))?\\s*$");var m=this.match(exp);if(m==null)
+return null;m[1]=m[1]||"";m[2]=m[2]||"0";m[4]=m[4]||"0";var cleanInput=m[1]+(m[2].length>0?m[2]:"0")+"."+m[4];var num=parseFloat(cleanInput);return(isNaN(num)?null:num);},toCurrency:function(groupchar,digits,decimalchar)
+{groupchar=groupchar||",";decimalchar=decimalchar||".";digits=typeof(digits)=="undefined"?2:digits;var exp=new RegExp("^\\s*([-\\+])?(((\\d+)\\"+groupchar+")*)(\\d+)"
++((digits>0)?"(\\"+decimalchar+"(\\d{1,"+digits+"}))?":"")
++"\\s*$");var m=this.match(exp);if(m==null)
+return null;var intermed=m[2]+m[5];var cleanInput=m[1]+intermed.replace(new RegExp("(\\"+groupchar+")","g"),"")
++((digits>0)?"."+m[7]:"");var num=parseFloat(cleanInput);return(isNaN(num)?null:num);},toDate:function(format)
+{return Date.SimpleParse(this,format);}});var $break=new Object();var $continue=new Object();var Enumerable={each:function(iterator){var index=0;try{this._each(function(value){try{iterator(value,index++);}catch(e){if(e!=$continue)throw e;}});}catch(e){if(e!=$break)throw e;}},all:function(iterator){var result=true;this.each(function(value,index){result=result&&!!(iterator||Prototype.K)(value,index);if(!result)throw $break;});return result;},any:function(iterator){var result=true;this.each(function(value,index){if(result=!!(iterator||Prototype.K)(value,index))
+throw $break;});return result;},collect:function(iterator){var results=[];this.each(function(value,index){results.push(iterator(value,index));});return results;},detect:function(iterator){var result;this.each(function(value,index){if(iterator(value,index)){result=value;throw $break;}});return result;},findAll:function(iterator){var results=[];this.each(function(value,index){if(iterator(value,index))
+results.push(value);});return results;},grep:function(pattern,iterator){var results=[];this.each(function(value,index){var stringValue=value.toString();if(stringValue.match(pattern))
+results.push((iterator||Prototype.K)(value,index));})
+return results;},include:function(object){var found=false;this.each(function(value){if(value==object){found=true;throw $break;}});return found;},inject:function(memo,iterator){this.each(function(value,index){memo=iterator(memo,value,index);});return memo;},invoke:function(method){var args=$A(arguments).slice(1);return this.collect(function(value){return value[method].apply(value,args);});},max:function(iterator){var result;this.each(function(value,index){value=(iterator||Prototype.K)(value,index);if(result==undefined||value>=result)
+result=value;});return result;},min:function(iterator){var result;this.each(function(value,index){value=(iterator||Prototype.K)(value,index);if(result==undefined||value<result)
+result=value;});return result;},partition:function(iterator){var trues=[],falses=[];this.each(function(value,index){((iterator||Prototype.K)(value,index)?trues:falses).push(value);});return[trues,falses];},pluck:function(property){var results=[];this.each(function(value,index){results.push(value[property]);});return results;},reject:function(iterator){var results=[];this.each(function(value,index){if(!iterator(value,index))
+results.push(value);});return results;},sortBy:function(iterator){return this.collect(function(value,index){return{value:value,criteria:iterator(value,index)};}).sort(function(left,right){var a=left.criteria,b=right.criteria;return a<b?-1:a>b?1:0;}).pluck('value');},toArray:function(){return this.collect(Prototype.K);},zip:function(){var iterator=Prototype.K,args=$A(arguments);if(typeof args.last()=='function')
+iterator=args.pop();var collections=[this].concat(args).map($A);return this.map(function(value,index){return iterator(collections.pluck(index));});},inspect:function(){return'#<Enumerable:'+this.toArray().inspect()+'>';}}
+Object.extend(Enumerable,{map:Enumerable.collect,find:Enumerable.detect,select:Enumerable.findAll,member:Enumerable.include,entries:Enumerable.toArray});var $A=Array.from=function(iterable){if(!iterable)return[];if(iterable.toArray){return iterable.toArray();}else{var results=[];for(var i=0;i<iterable.length;i++)
+results.push(iterable[i]);return results;}}
+Object.extend(Array.prototype,Enumerable);if(!Array.prototype._reverse)
+Array.prototype._reverse=Array.prototype.reverse;Object.extend(Array.prototype,{_each:function(iterator){for(var i=0;i<this.length;i++)
+iterator(this[i]);},clear:function(){this.length=0;return this;},first:function(){return this[0];},last:function(){return this[this.length-1];},compact:function(){return this.select(function(value){return value!=undefined||value!=null;});},flatten:function(){return this.inject([],function(array,value){return array.concat(value&&value.constructor==Array?value.flatten():[value]);});},without:function(){var values=$A(arguments);return this.select(function(value){return!values.include(value);});},indexOf:function(object){for(var i=0;i<this.length;i++)
+if(this[i]==object)return i;return-1;},reverse:function(inline){return(inline!==false?this:this.toArray())._reverse();},inspect:function(){return'['+this.map(Object.inspect).join(', ')+']';}});var Hash={_each:function(iterator){for(var key in this){var value=this[key];if(typeof value=='function')continue;var pair=[key,value];pair.key=key;pair.value=value;iterator(pair);}},keys:function(){return this.pluck('key');},values:function(){return this.pluck('value');},merge:function(hash){return $H(hash).inject($H(this),function(mergedHash,pair){mergedHash[pair.key]=pair.value;return mergedHash;});},toQueryString:function(){return this.map(function(pair)
+{if(typeof(pair[1])=='object'||typeof(pair[1])=='array')
+{return $A(pair[1]).collect(function(value)
+{return encodeURIComponent(pair[0])+'='+encodeURIComponent(value);}).join('&');}
+else
+return pair.map(encodeURIComponent).join('=');}).join('&');},inspect:function(){return'#<Hash:{'+this.map(function(pair){return pair.map(Object.inspect).join(': ');}).join(', ')+'}>';}}
+function $H(object){var hash=Object.extend({},object||{});Object.extend(hash,Enumerable);Object.extend(hash,Hash);return hash;}
+ObjectRange=Class.create();Object.extend(ObjectRange.prototype,Enumerable);Object.extend(ObjectRange.prototype,{initialize:function(start,end,exclusive){this.start=start;this.end=end;this.exclusive=exclusive;},_each:function(iterator){var value=this.start;do{iterator(value);value=value.succ();}while(this.include(value));},include:function(value){if(value<this.start)
+return false;if(this.exclusive)
+return value<this.end;return value<=this.end;}});var $R=function(start,end,exclusive){return new ObjectRange(start,end,exclusive);}
+function $(){var results=[],element;for(var i=0;i<arguments.length;i++){element=arguments[i];if(typeof element=='string')
+element=document.getElementById(element);results.push(Element.extend(element));}
+return results.length<2?results[0]:results;}
+document.getElementsByClassName=function(className,parentElement){var children=($(parentElement)||document.body).getElementsByTagName('*');return $A(children).inject([],function(elements,child){if(child.className.match(new RegExp("(^|\\s)"+className+"(\\s|$)")))
+elements.push(Element.extend(child));return elements;});}
+if(!window.Element)
+var Element=new Object();Element.extend=function(element){if(!element)return;if(_nativeExtensions)return element;if(!element._extended&&element.tagName&&element!=window){var methods=Element.Methods,cache=Element.extend.cache;for(property in methods){var value=methods[property];if(typeof value=='function')
+element[property]=cache.findOrStore(value);}}
+element._extended=true;return element;}
+Element.extend.cache={findOrStore:function(value){return this[value]=this[value]||function(){return value.apply(null,[this].concat($A(arguments)));}}}
+Element.Methods={visible:function(element){return $(element).style.display!='none';},toggle:function(){for(var i=0;i<arguments.length;i++){var element=$(arguments[i]);Element[Element.visible(element)?'hide':'show'](element);}},hide:function(){for(var i=0;i<arguments.length;i++){var element=$(arguments[i]);element.style.display='none';}},show:function(){for(var i=0;i<arguments.length;i++){var element=$(arguments[i]);element.style.display='';}},remove:function(element){element=$(element);element.parentNode.removeChild(element);},update:function(element,html){$(element).innerHTML=html.stripScripts();setTimeout(function(){html.evalScripts()},10);},replace:function(element,html){element=$(element);if(element.outerHTML){element.outerHTML=html.stripScripts();}else{var range=element.ownerDocument.createRange();range.selectNodeContents(element);element.parentNode.replaceChild(range.createContextualFragment(html.stripScripts()),element);}
+setTimeout(function(){html.evalScripts()},10);},getHeight:function(element){element=$(element);return element.offsetHeight;},classNames:function(element){return new Element.ClassNames(element);},hasClassName:function(element,className){if(!(element=$(element)))return;return Element.classNames(element).include(className);},addClassName:function(element,className){if(!(element=$(element)))return;return Element.classNames(element).add(className);},removeClassName:function(element,className){if(!(element=$(element)))return;return Element.classNames(element).remove(className);},cleanWhitespace:function(element){element=$(element);for(var i=0;i<element.childNodes.length;i++){var node=element.childNodes[i];if(node.nodeType==3&&!/\S/.test(node.nodeValue))
+Element.remove(node);}},empty:function(element){return $(element).innerHTML.match(/^\s*$/);},childOf:function(element,ancestor){element=$(element),ancestor=$(ancestor);while(element=element.parentNode)
+if(element==ancestor)return true;return false;},scrollTo:function(element){element=$(element);var x=element.x?element.x:element.offsetLeft,y=element.y?element.y:element.offsetTop;window.scrollTo(x,y);},getStyle:function(element,style){element=$(element);var value=element.style[style.camelize()];if(!value){if(document.defaultView&&document.defaultView.getComputedStyle){var css=document.defaultView.getComputedStyle(element,null);value=css?css.getPropertyValue(style):null;}else if(element.currentStyle){value=element.currentStyle[style.camelize()];}}
+if(window.opera&&['left','top','right','bottom'].include(style))
+if(Element.getStyle(element,'position')=='static')value='auto';return value=='auto'?null:value;},setStyle:function(element,style){element=$(element);for(var name in style)
+element.style[name.camelize()]=style[name];},getDimensions:function(element){element=$(element);if(Element.getStyle(element,'display')!='none')
+return{width:element.offsetWidth,height:element.offsetHeight};var els=element.style;var originalVisibility=els.visibility;var originalPosition=els.position;els.visibility='hidden';els.position='absolute';els.display='';var originalWidth=element.clientWidth;var originalHeight=element.clientHeight;els.display='none';els.position=originalPosition;els.visibility=originalVisibility;return{width:originalWidth,height:originalHeight};},makePositioned:function(element){element=$(element);var pos=Element.getStyle(element,'position');if(pos=='static'||!pos){element._madePositioned=true;element.style.position='relative';if(window.opera){element.style.top=0;element.style.left=0;}}},undoPositioned:function(element){element=$(element);if(element._madePositioned){element._madePositioned=undefined;element.style.position=element.style.top=element.style.left=element.style.bottom=element.style.right='';}},makeClipping:function(element){element=$(element);if(element._overflow)return;element._overflow=element.style.overflow;if((Element.getStyle(element,'overflow')||'visible')!='hidden')
+element.style.overflow='hidden';},undoClipping:function(element){element=$(element);if(element._overflow)return;element.style.overflow=element._overflow;element._overflow=undefined;}}
+Object.extend(Element,Element.Methods);var _nativeExtensions=false;if(!HTMLElement&&/Konqueror|Safari|KHTML/.test(navigator.userAgent)){var HTMLElement={}
+HTMLElement.prototype=document.createElement('div').__proto__;}
+Element.addMethods=function(methods){Object.extend(Element.Methods,methods||{});if(typeof HTMLElement!='undefined'){var methods=Element.Methods,cache=Element.extend.cache;for(property in methods){var value=methods[property];if(typeof value=='function')
+HTMLElement.prototype[property]=cache.findOrStore(value);}
+_nativeExtensions=true;}}
+Element.addMethods();var Toggle=new Object();Toggle.display=Element.toggle;Abstract.Insertion=function(adjacency){this.adjacency=adjacency;}
+Abstract.Insertion.prototype={initialize:function(element,content){this.element=$(element);this.content=content.stripScripts();if(this.adjacency&&this.element.insertAdjacentHTML){try{this.element.insertAdjacentHTML(this.adjacency,this.content);}catch(e){var tagName=this.element.tagName.toLowerCase();if(tagName=='tbody'||tagName=='tr'){this.insertContent(this.contentFromAnonymousTable());}else{throw e;}}}else{this.range=this.element.ownerDocument.createRange();if(this.initializeRange)this.initializeRange();this.insertContent([this.range.createContextualFragment(this.content)]);}
+setTimeout(function(){content.evalScripts()},10);},contentFromAnonymousTable:function(){var div=document.createElement('div');div.innerHTML='<table><tbody>'+this.content+'</tbody></table>';return $A(div.childNodes[0].childNodes[0].childNodes);}}
+var Insertion=new Object();Insertion.Before=Class.create();Insertion.Before.prototype=Object.extend(new Abstract.Insertion('beforeBegin'),{initializeRange:function(){this.range.setStartBefore(this.element);},insertContent:function(fragments){fragments.each((function(fragment){this.element.parentNode.insertBefore(fragment,this.element);}).bind(this));}});Insertion.Top=Class.create();Insertion.Top.prototype=Object.extend(new Abstract.Insertion('afterBegin'),{initializeRange:function(){this.range.selectNodeContents(this.element);this.range.collapse(true);},insertContent:function(fragments){fragments.reverse(false).each((function(fragment){this.element.insertBefore(fragment,this.element.firstChild);}).bind(this));}});Insertion.Bottom=Class.create();Insertion.Bottom.prototype=Object.extend(new Abstract.Insertion('beforeEnd'),{initializeRange:function(){this.range.selectNodeContents(this.element);this.range.collapse(this.element);},insertContent:function(fragments){fragments.each((function(fragment){this.element.appendChild(fragment);}).bind(this));}});Insertion.After=Class.create();Insertion.After.prototype=Object.extend(new Abstract.Insertion('afterEnd'),{initializeRange:function(){this.range.setStartAfter(this.element);},insertContent:function(fragments){fragments.each((function(fragment){this.element.parentNode.insertBefore(fragment,this.element.nextSibling);}).bind(this));}});Element.ClassNames=Class.create();Element.ClassNames.prototype={initialize:function(element){this.element=$(element);},_each:function(iterator){this.element.className.split(/\s+/).select(function(name){return name.length>0;})._each(iterator);},set:function(className){this.element.className=className;},add:function(classNameToAdd){if(this.include(classNameToAdd))return;this.set(this.toArray().concat(classNameToAdd).join(' '));},remove:function(classNameToRemove){if(!this.include(classNameToRemove))return;this.set(this.select(function(className){return className!=classNameToRemove;}).join(' '));},toString:function(){return this.toArray().join(' ');}}
+Object.extend(Element.ClassNames.prototype,Enumerable);var Field={clear:function(){for(var i=0;i<arguments.length;i++)
+$(arguments[i]).value='';},focus:function(element){$(element).focus();},present:function(){for(var i=0;i<arguments.length;i++)
+if($(arguments[i]).value=='')return false;return true;},select:function(element){$(element).select();},activate:function(element){element=$(element);element.focus();if(element.select)
+element.select();}}
+var Form={serialize:function(form){var elements=Form.getElements($(form));var queryComponents=new Array();for(var i=0;i<elements.length;i++){var queryComponent=Form.Element.serialize(elements[i]);if(queryComponent)
+queryComponents.push(queryComponent);}
+return queryComponents.join('&');},getElements:function(form){form=$(form);var elements=new Array();for(var tagName in Form.Element.Serializers){var tagElements=form.getElementsByTagName(tagName);for(var j=0;j<tagElements.length;j++)
+elements.push(tagElements[j]);}
+return elements;},getInputs:function(form,typeName,name){form=$(form);var inputs=form.getElementsByTagName('input');if(!typeName&&!name)
+return inputs;var matchingInputs=new Array();for(var i=0;i<inputs.length;i++){var input=inputs[i];if((typeName&&input.type!=typeName)||(name&&input.name!=name))
+continue;matchingInputs.push(input);}
+return matchingInputs;},disable:function(form){var elements=Form.getElements(form);for(var i=0;i<elements.length;i++){var element=elements[i];element.blur();element.disabled='true';}},enable:function(form){var elements=Form.getElements(form);for(var i=0;i<elements.length;i++){var element=elements[i];element.disabled='';}},findFirstElement:function(form){return Form.getElements(form).find(function(element){return element.type!='hidden'&&!element.disabled&&['input','select','textarea'].include(element.tagName.toLowerCase());});},focusFirstElement:function(form){Field.activate(Form.findFirstElement(form));},reset:function(form){$(form).reset();}}
+Form.Element={serialize:function(element){element=$(element);var method=element.tagName.toLowerCase();var parameter=Form.Element.Serializers[method](element);if(parameter){var key=encodeURIComponent(parameter[0]);if(key.length==0)return;if(parameter[1].constructor!=Array)
+parameter[1]=[parameter[1]];return parameter[1].map(function(value){return key+'='+encodeURIComponent(value);}).join('&');}},getValue:function(element){element=$(element);var method=element.tagName.toLowerCase();var parameter=Form.Element.Serializers[method](element);if(parameter)
+return parameter[1];}}
+Form.Element.Serializers={input:function(element){if(typeof(element.type)=="undefined")
+return false;switch(element.type.toLowerCase()){case'submit':case'hidden':case'password':case'text':return Form.Element.Serializers.textarea(element);case'checkbox':case'radio':return Form.Element.Serializers.inputSelector(element);}
+return false;},inputSelector:function(element){if(element.checked)
+return[element.name,element.value];},textarea:function(element){return[element.name,element.value];},select:function(element){return Form.Element.Serializers[element.type=='select-one'?'selectOne':'selectMany'](element);},selectOne:function(element){var value='',opt,index=element.selectedIndex;if(index>=0){opt=element.options[index];value=opt.value||opt.text;}
+return[element.name,value];},selectMany:function(element){var value=[];for(var i=0;i<element.length;i++){var opt=element.options[i];if(opt.selected)
+value.push(opt.value||opt.text);}
+return[element.name,value];}}
+var $F=Form.Element.getValue;Abstract.TimedObserver=function(){}
+Abstract.TimedObserver.prototype={initialize:function(element,frequency,callback){this.frequency=frequency;this.element=$(element);this.callback=callback;this.lastValue=this.getValue();this.registerCallback();},registerCallback:function(){setInterval(this.onTimerEvent.bind(this),this.frequency*1000);},onTimerEvent:function(){var value=this.getValue();if(this.lastValue!=value){this.callback(this.element,value);this.lastValue=value;}}}
+Form.Element.Observer=Class.create();Form.Element.Observer.prototype=Object.extend(new Abstract.TimedObserver(),{getValue:function(){return Form.Element.getValue(this.element);}});Form.Observer=Class.create();Form.Observer.prototype=Object.extend(new Abstract.TimedObserver(),{getValue:function(){return Form.serialize(this.element);}});Abstract.EventObserver=function(){}
+Abstract.EventObserver.prototype={initialize:function(element,callback){this.element=$(element);this.callback=callback;this.lastValue=this.getValue();if(this.element.tagName.toLowerCase()=='form')
+this.registerFormCallbacks();else
+this.registerCallback(this.element);},onElementEvent:function(){var value=this.getValue();if(this.lastValue!=value){this.callback(this.element,value);this.lastValue=value;}},registerFormCallbacks:function(){var elements=Form.getElements(this.element);for(var i=0;i<elements.length;i++)
+this.registerCallback(elements[i]);},registerCallback:function(element){if(element.type){switch(element.type.toLowerCase()){case'checkbox':case'radio':Event.observe(element,'click',this.onElementEvent.bind(this));break;case'password':case'text':case'textarea':case'select-one':case'select-multiple':Event.observe(element,'change',this.onElementEvent.bind(this));break;}}}}
+Form.Element.EventObserver=Class.create();Form.Element.EventObserver.prototype=Object.extend(new Abstract.EventObserver(),{getValue:function(){return Form.Element.getValue(this.element);}});Form.EventObserver=Class.create();Form.EventObserver.prototype=Object.extend(new Abstract.EventObserver(),{getValue:function(){return Form.serialize(this.element);}});if(!window.Event){var Event=new Object();}
+Object.extend(Event,{KEY_BACKSPACE:8,KEY_TAB:9,KEY_RETURN:13,KEY_ESC:27,KEY_LEFT:37,KEY_UP:38,KEY_RIGHT:39,KEY_DOWN:40,KEY_DELETE:46,KEY_SPACEBAR:32,element:function(event){return event.target||event.srcElement;},isLeftClick:function(event){return(((event.which)&&(event.which==1))||((event.button)&&(event.button==1)));},pointerX:function(event){return event.pageX||(event.clientX+
+(document.documentElement.scrollLeft||document.body.scrollLeft));},pointerY:function(event){return event.pageY||(event.clientY+
+(document.documentElement.scrollTop||document.body.scrollTop));},stop:function(event){if(event.preventDefault){event.preventDefault();event.stopPropagation();}else{event.returnValue=false;event.cancelBubble=true;}},findElement:function(event,tagName){var element=Event.element(event);while(element.parentNode&&(!element.tagName||(element.tagName.toUpperCase()!=tagName.toUpperCase())))
+element=element.parentNode;return element;},observers:false,_observeAndCache:function(element,name,observer,useCapture){if(!this.observers)this.observers=[];if(element.addEventListener){this.observers.push([element,name,observer,useCapture]);element.addEventListener(name,observer,useCapture);}else if(element.attachEvent){this.observers.push([element,name,observer,useCapture]);element.attachEvent('on'+name,observer);}},unloadCache:function(){if(!Event.observers)return;for(var i=0;i<Event.observers.length;i++){Event.stopObserving.apply(this,Event.observers[i]);Event.observers[i][0]=null;}
+Event.observers=false;},observe:function(element,name,observer,useCapture){var element=$(element);useCapture=useCapture||false;if(name=='keypress'&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||element.attachEvent))
+name='keydown';this._observeAndCache(element,name,observer,useCapture);},stopObserving:function(element,name,observer,useCapture){var element=$(element);useCapture=useCapture||false;if(name=='keypress'&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||element.detachEvent))
+name='keydown';if(element.removeEventListener){element.removeEventListener(name,observer,useCapture);}else if(element.detachEvent){element.detachEvent('on'+name,observer);}}});if(navigator.appVersion.match(/\bMSIE\b/))
+Event.observe(window,'unload',Event.unloadCache,false);Object.extend(Event,{OnLoad:function(fn)
+{var w=document.addEventListener&&!window.addEventListener?document:window;Event.observe(w,'load',fn);},keyCode:function(e)
+{return e.keyCode!=null?e.keyCode:e.charCode},isHTMLEvent:function(type)
+{var events=['abort','blur','change','error','focus','load','reset','resize','scroll','select','submit','unload'];return events.include(type);},isMouseEvent:function(type)
+{var events=['click','mousedown','mousemove','mouseout','mouseover','mouseup'];return events.include(type);},fireEvent:function(element,type,canBubble)
+{canBubble=(typeof(canBubble)==undefined)?true:canBubble;element=$(element);if(type=="submit")
+return element.submit();if(document.createEvent)
+{if(Event.isHTMLEvent(type))
+{var event=document.createEvent('HTMLEvents');event.initEvent(type,canBubble,true);}
+else if(Event.isMouseEvent(type))
+{var event=document.createEvent('MouseEvents');if(event.initMouseEvent)
+{event.initMouseEvent(type,canBubble,true,document.defaultView,1,0,0,0,0,false,false,false,false,0,null);}
+else
+{event.initEvent(type,canBubble,true);}}
+element.dispatchEvent(event);}
+else if(document.createEventObject)
+{var evObj=document.createEventObject();element.fireEvent('on'+type,evObj);}
+else if(typeof(element['on'+type])=="function")
+element['on'+type]();}});var Position={includeScrollOffsets:false,prepare:function(){this.deltaX=window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft||0;this.deltaY=window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop||0;},realOffset:function(element){var valueT=0,valueL=0;do{valueT+=element.scrollTop||0;valueL+=element.scrollLeft||0;element=element.parentNode;}while(element);return[valueL,valueT];},cumulativeOffset:function(element){var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;element=element.offsetParent;}while(element);return[valueL,valueT];},positionedOffset:function(element){var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;element=element.offsetParent;if(element){p=Element.getStyle(element,'position');if(p=='relative'||p=='absolute')break;}}while(element);return[valueL,valueT];},offsetParent:function(element){if(element.offsetParent)return element.offsetParent;if(element==document.body)return element;while((element=element.parentNode)&&element!=document.body)
+if(Element.getStyle(element,'position')!='static')
+return element;return document.body;},within:function(element,x,y){if(this.includeScrollOffsets)
+return this.withinIncludingScrolloffsets(element,x,y);this.xcomp=x;this.ycomp=y;this.offset=this.cumulativeOffset(element);return(y>=this.offset[1]&&y<this.offset[1]+element.offsetHeight&&x>=this.offset[0]&&x<this.offset[0]+element.offsetWidth);},withinIncludingScrolloffsets:function(element,x,y){var offsetcache=this.realOffset(element);this.xcomp=x+offsetcache[0]-this.deltaX;this.ycomp=y+offsetcache[1]-this.deltaY;this.offset=this.cumulativeOffset(element);return(this.ycomp>=this.offset[1]&&this.ycomp<this.offset[1]+element.offsetHeight&&this.xcomp>=this.offset[0]&&this.xcomp<this.offset[0]+element.offsetWidth);},overlap:function(mode,element){if(!mode)return 0;if(mode=='vertical')
+return((this.offset[1]+element.offsetHeight)-this.ycomp)/element.offsetHeight;if(mode=='horizontal')
+return((this.offset[0]+element.offsetWidth)-this.xcomp)/element.offsetWidth;},clone:function(source,target){source=$(source);target=$(target);target.style.position='absolute';var offsets=this.cumulativeOffset(source);target.style.top=offsets[1]+'px';target.style.left=offsets[0]+'px';target.style.width=source.offsetWidth+'px';target.style.height=source.offsetHeight+'px';},page:function(forElement){var valueT=0,valueL=0;var element=forElement;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;if(element.offsetParent==document.body)
+if(Element.getStyle(element,'position')=='absolute')break;}while(element=element.offsetParent);element=forElement;do{valueT-=element.scrollTop||0;valueL-=element.scrollLeft||0;}while(element=element.parentNode);return[valueL,valueT];},clone:function(source,target){var options=Object.extend({setLeft:true,setTop:true,setWidth:true,setHeight:true,offsetTop:0,offsetLeft:0},arguments[2]||{})
+source=$(source);var p=Position.page(source);target=$(target);var delta=[0,0];var parent=null;if(Element.getStyle(target,'position')=='absolute'){parent=Position.offsetParent(target);delta=Position.page(parent);}
+if(parent==document.body){delta[0]-=document.body.offsetLeft;delta[1]-=document.body.offsetTop;}
+if(options.setLeft)target.style.left=(p[0]-delta[0]+options.offsetLeft)+'px';if(options.setTop)target.style.top=(p[1]-delta[1]+options.offsetTop)+'px';if(options.setWidth)target.style.width=source.offsetWidth+'px';if(options.setHeight)target.style.height=source.offsetHeight+'px';},absolutize:function(element){element=$(element);if(element.style.position=='absolute')return;Position.prepare();var offsets=Position.positionedOffset(element);var top=offsets[1];var left=offsets[0];var width=element.clientWidth;var height=element.clientHeight;element._originalLeft=left-parseFloat(element.style.left||0);element._originalTop=top-parseFloat(element.style.top||0);element._originalWidth=element.style.width;element._originalHeight=element.style.height;element.style.position='absolute';element.style.top=top+'px';;element.style.left=left+'px';;element.style.width=width+'px';;element.style.height=height+'px';;},relativize:function(element){element=$(element);if(element.style.position=='relative')return;Position.prepare();element.style.position='relative';var top=parseFloat(element.style.top||0)-(element._originalTop||0);var left=parseFloat(element.style.left||0)-(element._originalLeft||0);element.style.top=top+'px';element.style.left=left+'px';element.style.height=element._originalHeight;element.style.width=element._originalWidth;}}
+if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)){Position.cumulativeOffset=function(element){var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;if(element.offsetParent==document.body)
+if(Element.getStyle(element,'position')=='absolute')break;element=element.offsetParent;}while(element);return[valueL,valueT];}}
+var Selector=Class.create();Selector.prototype={initialize:function(expression){this.params={classNames:[]};this.expression=expression.toString().strip();this.parseExpression();this.compileMatcher();},parseExpression:function(){function abort(message){throw'Parse error in selector: '+message;}
+if(this.expression=='')abort('empty expression');var params=this.params,expr=this.expression,match,modifier,clause,rest;while(match=expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)){params.attributes=params.attributes||[];params.attributes.push({name:match[2],operator:match[3],value:match[4]||match[5]||''});expr=match[1];}
+if(expr=='*')return this.params.wildcard=true;while(match=expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)){modifier=match[1],clause=match[2],rest=match[3];switch(modifier){case'#':params.id=clause;break;case'.':params.classNames.push(clause);break;case'':case undefined:params.tagName=clause.toUpperCase();break;default:abort(expr.inspect());}
+expr=rest;}
+if(expr.length>0)abort(expr.inspect());},buildMatchExpression:function(){var params=this.params,conditions=[],clause;if(params.wildcard)
+conditions.push('true');if(clause=params.id)
+conditions.push('element.id == '+clause.inspect());if(clause=params.tagName)
+conditions.push('element.tagName.toUpperCase() == '+clause.inspect());if((clause=params.classNames).length>0)
+for(var i=0;i<clause.length;i++)
+conditions.push('Element.hasClassName(element, '+clause[i].inspect()+')');if(clause=params.attributes){clause.each(function(attribute){var value='element.getAttribute('+attribute.name.inspect()+')';var splitValueBy=function(delimiter){return value+' && '+value+'.split('+delimiter.inspect()+')';}
+switch(attribute.operator){case'=':conditions.push(value+' == '+attribute.value.inspect());break;case'~=':conditions.push(splitValueBy(' ')+'.include('+attribute.value.inspect()+')');break;case'|=':conditions.push(splitValueBy('-')+'.first().toUpperCase() == '+attribute.value.toUpperCase().inspect());break;case'!=':conditions.push(value+' != '+attribute.value.inspect());break;case'':case undefined:conditions.push(value+' != null');break;default:throw'Unknown operator '+attribute.operator+' in selector';}});}
+return conditions.join(' && ');},compileMatcher:function(){this.match=new Function('element','if (!element.tagName) return false; \
+      return '+this.buildMatchExpression());},findElements:function(scope){var element;if(element=$(this.params.id))
+if(this.match(element))
+if(!scope||Element.childOf(element,scope))
+return[element];scope=(scope||document).getElementsByTagName(this.params.tagName||'*');var results=[];for(var i=0;i<scope.length;i++)
+if(this.match(element=scope[i]))
+results.push(Element.extend(element));return results;},toString:function(){return this.expression;}}
+function $$(){return $A(arguments).map(function(expression){return expression.strip().split(/\s+/).inject([null],function(results,expr){var selector=new Selector(expr);return results.map(selector.findElements.bind(selector)).flatten();});}).flatten();}
+var Builder={NODEMAP:{AREA:'map',CAPTION:'table',COL:'table',COLGROUP:'table',LEGEND:'fieldset',OPTGROUP:'select',OPTION:'select',PARAM:'object',TBODY:'table',TD:'table',TFOOT:'table',TH:'table',THEAD:'table',TR:'table'},node:function(elementName){elementName=elementName.toUpperCase();var parentTag=this.NODEMAP[elementName]||'div';var parentElement=document.createElement(parentTag);try{parentElement.innerHTML="<"+elementName+"></"+elementName+">";}catch(e){}
+var element=parentElement.firstChild||null;if(element&&(element.tagName!=elementName))
+element=element.getElementsByTagName(elementName)[0];if(!element)element=document.createElement(elementName);if(!element)return;if(arguments[1])
+if(this._isStringOrNumber(arguments[1])||(arguments[1]instanceof Array)){this._children(element,arguments[1]);}else{var attrs=this._attributes(arguments[1]);if(attrs.length){try{parentElement.innerHTML="<"+elementName+" "+
+attrs+"></"+elementName+">";}catch(e){}
+element=parentElement.firstChild||null;if(!element){element=document.createElement(elementName);for(attr in arguments[1])
+element[attr=='class'?'className':attr]=arguments[1][attr];}
+if(element.tagName!=elementName)
+element=parentElement.getElementsByTagName(elementName)[0];}}
+if(arguments[2])
+this._children(element,arguments[2]);return element;},_text:function(text){return document.createTextNode(text);},_attributes:function(attributes){var attrs=[];for(attribute in attributes)
+attrs.push((attribute=='className'?'class':attribute)+'="'+attributes[attribute].toString().escapeHTML()+'"');return attrs.join(" ");},_children:function(element,children){if(typeof children=='object'){children.flatten().each(function(e){if(typeof e=='object')
+element.appendChild(e)
+else
+if(Builder._isStringOrNumber(e))
+element.appendChild(Builder._text(e));});}else
+if(Builder._isStringOrNumber(children))
+element.appendChild(Builder._text(children));},_isStringOrNumber:function(param){return(typeof param=='string'||typeof param=='number');}}
+Object.extend(Builder,{exportTags:function()
+{var tags=["BUTTON","TT","PRE","H1","H2","H3","BR","CANVAS","HR","LABEL","TEXTAREA","FORM","STRONG","SELECT","OPTION","OPTGROUP","LEGEND","FIELDSET","P","UL","OL","LI","TD","TR","THEAD","TBODY","TFOOT","TABLE","TH","INPUT","SPAN","A","DIV","IMG","CAPTION"];tags.each(function(tag)
+{window[tag]=function()
+{var args=$A(arguments);if(args.length==0)
+return Builder.node(tag,null);if(args.length==1)
+return Builder.node(tag,args[0]);if(args.length>1)
+return Builder.node(tag,args.shift(),args);};});}});Builder.exportTags();Object.extend(Date.prototype,{SimpleFormat:function(format,data)
+{data=data||{};var bits=new Array();bits['d']=this.getDate();bits['dd']=String(this.getDate()).zerofill(2);bits['M']=this.getMonth()+1;bits['MM']=String(this.getMonth()+1).zerofill(2);if(data.AbbreviatedMonthNames)
+bits['MMM']=data.AbbreviatedMonthNames[this.getMonth()];if(data.MonthNames)
+bits['MMMM']=data.MonthNames[this.getMonth()];var yearStr=""+this.getFullYear();yearStr=(yearStr.length==2)?'19'+yearStr:yearStr;bits['yyyy']=yearStr;bits['yy']=bits['yyyy'].toString().substr(2,2);var frm=new String(format);for(var sect in bits)
+{var reg=new RegExp("\\b"+sect+"\\b","g");frm=frm.replace(reg,bits[sect]);}
+return frm;},toISODate:function()
+{var y=this.getFullYear();var m=String(this.getMonth()+1).zerofill(2);var d=String(this.getDate()).zerofill(2);return String(y)+String(m)+String(d);}});Object.extend(Date,{SimpleParse:function(value,format)
+{val=String(value);format=String(format);if(val.length<=0)return null;if(format.length<=0)return new Date(value);var isInteger=function(val)
+{var digits="1234567890";for(var i=0;i<val.length;i++)
+{if(digits.indexOf(val.charAt(i))==-1){return false;}}
+return true;};var getInt=function(str,i,minlength,maxlength)
+{for(var x=maxlength;x>=minlength;x--)
+{var token=str.substring(i,i+x);if(token.length<minlength){return null;}
+if(isInteger(token)){return token;}}
+return null;};var i_val=0;var i_format=0;var c="";var token="";var token2="";var x,y;var now=new Date();var year=now.getFullYear();var month=now.getMonth()+1;var date=1;while(i_format<format.length)
+{c=format.charAt(i_format);token="";while((format.charAt(i_format)==c)&&(i_format<format.length))
+{token+=format.charAt(i_format++);}
+if(token=="yyyy"||token=="yy"||token=="y")
+{if(token=="yyyy"){x=4;y=4;}
+if(token=="yy"){x=2;y=2;}
+if(token=="y"){x=2;y=4;}
+year=getInt(val,i_val,x,y);if(year==null){return null;}
+i_val+=year.length;if(year.length==2)
+{if(year>70){year=1900+(year-0);}
+else{year=2000+(year-0);}}}
+else if(token=="MM"||token=="M")
+{month=getInt(val,i_val,token.length,2);if(month==null||(month<1)||(month>12)){return null;}
+i_val+=month.length;}
+else if(token=="dd"||token=="d")
+{date=getInt(val,i_val,token.length,2);if(date==null||(date<1)||(date>31)){return null;}
+i_val+=date.length;}
+else
+{if(val.substring(i_val,i_val+token.length)!=token){return null;}
+else{i_val+=token.length;}}}
+if(i_val!=val.length){return null;}
+if(month==2)
+{if(((year%4==0)&&(year%100!=0))||(year%400==0)){if(date>29){return null;}}
+else{if(date>28){return null;}}}
+if((month==4)||(month==6)||(month==9)||(month==11))
+{if(date>30){return null;}}
+var newdate=new Date(year,month-1,date,0,0,0);return newdate;}});var Prado={Version:'3.1',Browser:function()
+{var info={Version:"1.0"};var is_major=parseInt(navigator.appVersion);info.nver=is_major;info.ver=navigator.appVersion;info.agent=navigator.userAgent;info.dom=document.getElementById?1:0;info.opera=window.opera?1:0;info.ie5=(info.ver.indexOf("MSIE 5")>-1&&info.dom&&!info.opera)?1:0;info.ie6=(info.ver.indexOf("MSIE 6")>-1&&info.dom&&!info.opera)?1:0;info.ie4=(document.all&&!info.dom&&!info.opera)?1:0;info.ie=info.ie4||info.ie5||info.ie6;info.mac=info.agent.indexOf("Mac")>-1;info.ns6=(info.dom&&parseInt(info.ver)>=5)?1:0;info.ie3=(info.ver.indexOf("MSIE")&&(is_major<4));info.hotjava=(info.agent.toLowerCase().indexOf('hotjava')!=-1)?1:0;info.ns4=(document.layers&&!info.dom&&!info.hotjava)?1:0;info.bw=(info.ie6||info.ie5||info.ie4||info.ns4||info.ns6||info.opera);info.ver3=(info.hotjava||info.ie3);info.opera7=((info.agent.toLowerCase().indexOf('opera 7')>-1)||(info.agent.toLowerCase().indexOf('opera/7')>-1));info.operaOld=info.opera&&!info.opera7;return info;},ImportCss:function(doc,css_file)
+{if(Prado.Browser().ie)
+var styleSheet=doc.createStyleSheet(css_file);else
+{var elm=doc.createElement("link");elm.rel="stylesheet";elm.href=css_file;if(headArr=doc.getElementsByTagName("head"))
+headArr[0].appendChild(elm);}}};Prado.PostBack=function(event,options)
+{var form=$(options['FormID']);var canSubmit=true;if(options['CausesValidation']&&typeof(Prado.Validation)!="undefined")
+{if(!Prado.Validation.validate(options['FormID'],options['ValidationGroup'],$(options['ID'])))
+return Event.stop(event);}
+if(options['PostBackUrl']&&options['PostBackUrl'].length>0)
+form.action=options['PostBackUrl'];if(options['TrackFocus'])
+{var lastFocus=$('PRADO_LASTFOCUS');if(lastFocus)
+{var active=document.activeElement;if(active)
+lastFocus.value=active.id;else
+lastFocus.value=options['EventTarget'];}}
+$('PRADO_POSTBACK_TARGET').value=options['EventTarget'];$('PRADO_POSTBACK_PARAMETER').value=options['EventParameter'];Event.stop(event);Event.fireEvent(form,"submit");}
+Prado.Element={setValue:function(element,value)
+{var el=$(element);if(el&&typeof(el.value)!="undefined")
+el.value=value;},select:function(element,method,value,total)
+{var el=$(element);var selection=Prado.Element.Selection;if(typeof(selection[method])=="function")
+{control=selection.isSelectable(el)?[el]:selection.getListElements(element,total);selection[method](control,value);}},click:function(element)
+{var el=$(element);if(el)
+Event.fireEvent(el,'click');},setAttribute:function(element,attribute,value)
+{var el=$(element);if((attribute=="disabled"||attribute=="multiple")&&value==false)
+el.removeAttribute(attribute);else if(attribute.match(/^on/i))
+{try
+{eval("(func = function(event){"+value+"})");el[attribute]=func;}
+catch(e)
+{throw"Error in evaluating '"+value+"' for attribute "+attribute+" for element "+element.id;}}
+else
+el.setAttribute(attribute,value);},setOptions:function(element,options)
+{var el=$(element);if(el&&el.tagName.toLowerCase()=="select")
+{el.options.length=options.length;for(var i=0;i<options.length;i++)
+el.options[i]=new Option(options[i][0],options[i][1]);}},focus:function(element)
+{var obj=$(element);if(typeof(obj)!="undefined"&&typeof(obj.focus)!="undefined")
+setTimeout(function(){obj.focus();},100);return false;},replace:function(element,method,content,boundary)
+{if(boundary)
+{result=Prado.Element.extractContent(this.transport.responseText,boundary);if(result!=null)
+content=result;}
+if(typeof(element)=="string")
+{if($(element))
+method.toFunction().apply(this,[element,content]);}
+else
+{method.toFunction().apply(this,[content]);}},extractContent:function(text,boundary)
+{f=RegExp('(<!--'+boundary+'-->)([\\s\\S\\w\\W]*)(<!--//'+boundary+'-->)',"m");result=text.match(f);if(result&&result.length>=2)
+return result[2];else
+return null;},evaluateScript:function(content)
+{content.evalScripts();}}
+Prado.Element.Selection={isSelectable:function(el)
+{if(el&&el.type)
+{switch(el.type.toLowerCase())
+{case'checkbox':case'radio':case'select':case'select-multiple':case'select-one':return true;}}
+return false;},inputValue:function(el,value)
+{switch(el.type.toLowerCase())
+{case'checkbox':case'radio':return el.checked=value;}},selectValue:function(elements,value)
+{elements.each(function(el)
+{$A(el.options).each(function(option)
+{if(typeof(value)=="boolean")
+options.selected=value;else if(option.value==value)
+option.selected=true;});})},selectValues:function(elements,values)
+{selection=this;values.each(function(value)
+{selection.selectValue(elements,value);})},selectIndex:function(elements,index)
+{elements.each(function(el)
+{if(el.type.toLowerCase()=='select-one')
+el.selectedIndex=index;else
+{for(var i=0;i<el.length;i++)
+{if(i==index)
+el.options[i].selected=true;}}})},selectAll:function(elements)
+{elements.each(function(el)
+{if(el.type.toLowerCase()!='select-one')
+{$A(el.options).each(function(option)
+{option.selected=true;})}})},selectInvert:function(elements)
+{elements.each(function(el)
+{if(el.type.toLowerCase()!='select-one')
+{$A(el.options).each(function(option)
+{option.selected=!options.selected;})}})},selectIndices:function(elements,indices)
+{selection=this;indices.each(function(index)
+{selection.selectIndex(elements,index);})},selectClear:function(elements)
+{elements.each(function(el)
+{el.selectedIndex=-1;})},getListElements:function(element,total)
+{elements=new Array();for(i=0;i<total;i++)
+{el=$(element+"_c"+i);if(el)
+elements.push(el);}
+return elements;},checkValue:function(elements,value)
+{elements.each(function(el)
+{if(typeof(value)=="boolean")
+el.checked=value;else if(el.value==value)
+el.checked=true;});},checkValues:function(elements,values)
+{selection=this;values.each(function(value)
+{selection.checkValue(elements,value);})},checkIndex:function(elements,index)
+{for(var i=0;i<elements.length;i++)
+{if(i==index)
+elements[i].checked=true;}},checkIndices:function(elements,indices)
+{selection=this;indices.each(function(index)
+{selection.checkIndex(elements,index);})},checkClear:function(elements)
+{elements.each(function(el)
+{el.checked=false;});},checkAll:function(elements)
+{elements.each(function(el)
+{el.checked=true;})},checkInvert:function(elements)
+{elements.each(function(el)
+{el.checked!=el.checked;})}};Prado.Element.Insert={append:function(element,content)
+{new Insertion.Bottom(element,content);},prepend:function(element,content)
+{new Insertion.Top(element,content);},after:function(element,content)
+{new Insertion.After(element,content);},before:function(element,content)
+{new Insertion.Before(element,content);}}
+Prado.WebUI=Class.create();Prado.WebUI.PostBackControl=Class.create();Prado.WebUI.PostBackControl.prototype={_elementOnClick:null,initialize:function(options)
+{this.element=$(options.ID);if(this.onInit)
+this.onInit(options);},onInit:function(options)
+{if(typeof(this.element.onclick)=="function")
+{this._elementOnClick=this.element.onclick;this.element.onclick=null;}
+Event.observe(this.element,"click",this.elementClicked.bindEvent(this,options));},elementClicked:function(event,options)
+{var src=Event.element(event);var doPostBack=true;var onclicked=null;if(this._elementOnClick)
+{var onclicked=this._elementOnClick(event);if(typeof(onclicked)=="boolean")
+doPostBack=onclicked;}
+if(doPostBack)
+this.onPostBack(event,options);if(typeof(onclicked)=="boolean"&&!onclicked)
+Event.stop(event);},onPostBack:function(event,options)
+{Prado.PostBack(event,options);}};Prado.WebUI.TButton=Class.extend(Prado.WebUI.PostBackControl);Prado.WebUI.TLinkButton=Class.extend(Prado.WebUI.PostBackControl);Prado.WebUI.TCheckBox=Class.extend(Prado.WebUI.PostBackControl);Prado.WebUI.TBulletedList=Class.extend(Prado.WebUI.PostBackControl);Prado.WebUI.TImageMap=Class.extend(Prado.WebUI.PostBackControl);Prado.WebUI.TImageButton=Class.extend(Prado.WebUI.PostBackControl);Object.extend(Prado.WebUI.TImageButton.prototype,{hasXYInput:false,onPostBack:function(event,options)
+{if(!this.hasXYInput)
+{this.addXYInput(event,options);this.hasXYInput=true;}
+Prado.PostBack(event,options);},addXYInput:function(event,options)
+{imagePos=Position.cumulativeOffset(this.element);clickedPos=[event.clientX,event.clientY];x=clickedPos[0]-imagePos[0]+1;y=clickedPos[1]-imagePos[1]+1;x=x<0?0:x;y=y<0?0:y;id=options['EventTarget'];x_input=$(id+"_x");y_input=$(id+"_y");if(x_input)
+{x_input.value=x;}
+else
+{x_input=INPUT({type:'hidden',name:id+'_x','id':id+'_x',value:x});this.element.parentNode.appendChild(x_input);}
+if(y_input)
+{y_input.value=y;}
+else
+{y_input=INPUT({type:'hidden',name:id+'_y','id':id+'_y',value:y});this.element.parentNode.appendChild(y_input);}}});Prado.WebUI.TRadioButton=Class.extend(Prado.WebUI.PostBackControl);Prado.WebUI.TRadioButton.prototype.onRadioButtonInitialize=Prado.WebUI.TRadioButton.prototype.initialize;Object.extend(Prado.WebUI.TRadioButton.prototype,{initialize:function(options)
+{this.element=$(options['ID']);if(!this.element.checked)
+this.onRadioButtonInitialize(options);}});Prado.WebUI.TTextBox=Class.extend(Prado.WebUI.PostBackControl,{onInit:function(options)
+{if(options['TextMode']!='MultiLine')
+Event.observe(this.element,"keydown",this.handleReturnKey.bind(this));Event.observe(this.element,"change",Prado.PostBack.bindEvent(this,options));},handleReturnKey:function(e)
+{if(Event.keyCode(e)==Event.KEY_RETURN)
+{var target=Event.element(e);if(target)
+{Event.fireEvent(target,"change");Event.stop(e);}}}});Prado.WebUI.TListControl=Class.extend(Prado.WebUI.PostBackControl,{onInit:function(options)
+{Event.observe(this.element,"change",Prado.PostBack.bindEvent(this,options));}});Prado.WebUI.TListBox=Class.extend(Prado.WebUI.TListControl);Prado.WebUI.TDropDownList=Class.extend(Prado.WebUI.TListControl);Prado.WebUI.DefaultButton=Class.create();Prado.WebUI.DefaultButton.prototype={initialize:function(options)
+{this.options=options;this._event=this.triggerEvent.bindEvent(this);Event.observe(options['Panel'],'keydown',this._event);},triggerEvent:function(ev,target)
+{var enterPressed=Event.keyCode(ev)==Event.KEY_RETURN;var isTextArea=Event.element(ev).tagName.toLowerCase()=="textarea";if(enterPressed&&!isTextArea)
+{var defaultButton=$(this.options['Target']);if(defaultButton)
+{this.triggered=true;$('PRADO_POSTBACK_TARGET').value=this.options.EventTarget;Event.fireEvent(defaultButton,this.options['Event']);Event.stop(ev);}}}};Prado.WebUI.TTextHighlighter=Class.create();Prado.WebUI.TTextHighlighter.prototype={initialize:function(id)
+{if(!window.clipboardData)return;var options={href:'javascript:;/'+'/copy code to clipboard',onclick:'Prado.WebUI.TTextHighlighter.copy(this)',onmouseover:'Prado.WebUI.TTextHighlighter.hover(this)',onmouseout:'Prado.WebUI.TTextHighlighter.out(this)'}
+var div=DIV({className:'copycode'},A(options,'Copy Code'));document.write(DIV(null,div).innerHTML);}};Object.extend(Prado.WebUI.TTextHighlighter,{copy:function(obj)
+{var parent=obj.parentNode.parentNode.parentNode;var text='';for(var i=0;i<parent.childNodes.length;i++)
+{var node=parent.childNodes[i];if(node.innerText)
+text+=node.innerText=='Copy Code'?'':node.innerText;else
+text+=node.nodeValue;}
+if(text.length>0)
+window.clipboardData.setData("Text",text);},hover:function(obj)
+{obj.parentNode.className="copycode copycode_hover";},out:function(obj)
+{obj.parentNode.className="copycode";}});Prado.WebUI.TCheckBoxList=Base.extend({constructor:function(options)
+{for(var i=0;i<options.ItemCount;i++)
+{var checkBoxOptions=Object.extend({ID:options.ListID+"_c"+i,EventTarget:options.ListID+"$c"+i},options);new Prado.WebUI.TCheckBox(checkBoxOptions);}}});Prado.WebUI.TRadioButtonList=Base.extend({constructor:function(options)
+{for(var i=0;i<options.ItemCount;i++)
+{var radioButtonOptions=Object.extend({ID:options.ListID+"_c"+i,EventTarget:options.ListID+"$c"+i},options);new Prado.WebUI.TRadioButton(radioButtonOptions);}}});
\ No newline at end of file
diff --git a/framework/Web/Javascripts/js/debug/containers.js b/framework/Web/Javascripts/js/debug/containers.js
new file mode 100644
index 00000000..7216e503
--- /dev/null
+++ b/framework/Web/Javascripts/js/debug/containers.js
@@ -0,0 +1,932 @@
+// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
+//           (c) 2005 Sammi Williams (http://www.oriontransfer.co.nz, sammi@oriontransfer.co.nz)
+// 
+// See scriptaculous.js for full license.
+
+/*--------------------------------------------------------------------------*/
+
+if(typeof Effect == 'undefined')
+  throw("dragdrop.js requires including script.aculo.us' effects.js library");
+
+var Droppables = {
+  drops: [],
+
+  remove: function(element) {
+    this.drops = this.drops.reject(function(d) { return d.element==$(element) });
+  },
+
+  add: function(element) {
+    element = $(element);
+    var options = Object.extend({
+      greedy:     true,
+      hoverclass: null,
+      tree:       false
+    }, arguments[1] || {});
+
+    // cache containers
+    if(options.containment) {
+      options._containers = [];
+      var containment = options.containment;
+      if((typeof containment == 'object') && 
+        (containment.constructor == Array)) {
+        containment.each( function(c) { options._containers.push($(c)) });
+      } else {
+        options._containers.push($(containment));
+      }
+    }
+    
+    if(options.accept) options.accept = [options.accept].flatten();
+
+    Element.makePositioned(element); // fix IE
+    options.element = element;
+
+    this.drops.push(options);
+  },
+  
+  findDeepestChild: function(drops) {
+    deepest = drops[0];
+      
+    for (i = 1; i < drops.length; ++i)
+      if (Element.isParent(drops[i].element, deepest.element))
+        deepest = drops[i];
+    
+    return deepest;
+  },
+
+  isContained: function(element, drop) {
+    var containmentNode;
+    if(drop.tree) {
+      containmentNode = element.treeNode; 
+    } else {
+      containmentNode = element.parentNode;
+    }
+    return drop._containers.detect(function(c) { return containmentNode == c });
+  },
+  
+  isAffected: function(point, element, drop) {
+    return (
+      (drop.element!=element) &&
+      ((!drop._containers) ||
+        this.isContained(element, drop)) &&
+      ((!drop.accept) ||
+        (Element.classNames(element).detect( 
+          function(v) { return drop.accept.include(v) } ) )) &&
+      Position.within(drop.element, point[0], point[1]) );
+  },
+
+  deactivate: function(drop) {
+    if(drop.hoverclass)
+      Element.removeClassName(drop.element, drop.hoverclass);
+    this.last_active = null;
+  },
+
+  activate: function(drop) {
+    if(drop.hoverclass)
+      Element.addClassName(drop.element, drop.hoverclass);
+    this.last_active = drop;
+  },
+
+  show: function(point, element) {
+    if(!this.drops.length) return;
+    var affected = [];
+    
+    if(this.last_active) this.deactivate(this.last_active);
+    this.drops.each( function(drop) {
+      if(Droppables.isAffected(point, element, drop))
+        affected.push(drop);
+    });
+        
+    if(affected.length>0) {
+      drop = Droppables.findDeepestChild(affected);
+      Position.within(drop.element, point[0], point[1]);
+      if(drop.onHover)
+        drop.onHover(element, drop.element, Position.overlap(drop.overlap, drop.element));
+      
+      Droppables.activate(drop);
+    }
+  },
+
+  fire: function(event, element) {
+    if(!this.last_active) return;
+    Position.prepare();
+
+    if (this.isAffected([Event.pointerX(event), Event.pointerY(event)], element, this.last_active))
+      if (this.last_active.onDrop) 
+        this.last_active.onDrop(element, this.last_active.element, event);
+  },
+
+  reset: function() {
+    if(this.last_active)
+      this.deactivate(this.last_active);
+  }
+}
+
+var Draggables = {
+  drags: [],
+  observers: [],
+  
+  register: function(draggable) {
+    if(this.drags.length == 0) {
+      this.eventMouseUp   = this.endDrag.bindAsEventListener(this);
+      this.eventMouseMove = this.updateDrag.bindAsEventListener(this);
+      this.eventKeypress  = this.keyPress.bindAsEventListener(this);
+      
+      Event.observe(document, "mouseup", this.eventMouseUp);
+      Event.observe(document, "mousemove", this.eventMouseMove);
+      Event.observe(document, "keypress", this.eventKeypress);
+    }
+    this.drags.push(draggable);
+  },
+  
+  unregister: function(draggable) {
+    this.drags = this.drags.reject(function(d) { return d==draggable });
+    if(this.drags.length == 0) {
+      Event.stopObserving(document, "mouseup", this.eventMouseUp);
+      Event.stopObserving(document, "mousemove", this.eventMouseMove);
+      Event.stopObserving(document, "keypress", this.eventKeypress);
+    }
+  },
+  
+  activate: function(draggable) {
+    window.focus(); // allows keypress events if window isn't currently focused, fails for Safari
+    this.activeDraggable = draggable;
+  },
+  
+  deactivate: function() {
+    this.activeDraggable = null;
+  },
+  
+  updateDrag: function(event) {
+    if(!this.activeDraggable) return;
+    var pointer = [Event.pointerX(event), Event.pointerY(event)];
+    // Mozilla-based browsers fire successive mousemove events with
+    // the same coordinates, prevent needless redrawing (moz bug?)
+    if(this._lastPointer && (this._lastPointer.inspect() == pointer.inspect())) return;
+    this._lastPointer = pointer;
+    this.activeDraggable.updateDrag(event, pointer);
+  },
+  
+  endDrag: function(event) {
+    if(!this.activeDraggable) return;
+    this._lastPointer = null;
+    this.activeDraggable.endDrag(event);
+    this.activeDraggable = null;
+  },
+  
+  keyPress: function(event) {
+    if(this.activeDraggable)
+      this.activeDraggable.keyPress(event);
+  },
+  
+  addObserver: function(observer) {
+    this.observers.push(observer);
+    this._cacheObserverCallbacks();
+  },
+  
+  removeObserver: function(element) {  // element instead of observer fixes mem leaks
+    this.observers = this.observers.reject( function(o) { return o.element==element });
+    this._cacheObserverCallbacks();
+  },
+  
+  notify: function(eventName, draggable, event) {  // 'onStart', 'onEnd', 'onDrag'
+    if(this[eventName+'Count'] > 0)
+      this.observers.each( function(o) {
+        if(o[eventName]) o[eventName](eventName, draggable, event);
+      });
+  },
+  
+  _cacheObserverCallbacks: function() {
+    ['onStart','onEnd','onDrag'].each( function(eventName) {
+      Draggables[eventName+'Count'] = Draggables.observers.select(
+        function(o) { return o[eventName]; }
+      ).length;
+    });
+  }
+}
+
+/*--------------------------------------------------------------------------*/
+
+var Draggable = Class.create();
+Draggable._revertCache = {};
+Draggable._dragging    = {};
+
+Draggable.prototype = {
+  initialize: function(element) {
+    var options = Object.extend({
+      handle: false,
+      starteffect: function(element) {
+        element._opacity = Element.getOpacity(element);
+        Draggable._dragging[element] = true;
+        new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7}); 
+      },
+      reverteffect: function(element, top_offset, left_offset) {
+        var dur = Math.sqrt(Math.abs(top_offset^2)+Math.abs(left_offset^2))*0.02;
+        Draggable._revertCache[element] =
+          new Effect.Move(element, { x: -left_offset, y: -top_offset, duration: dur,
+            queue: {scope:'_draggable', position:'end'}
+          });
+      },
+      endeffect: function(element) {
+        var toOpacity = typeof element._opacity == 'number' ? element._opacity : 1.0;
+        new Effect.Opacity(element, {duration:0.2, from:0.7, to:toOpacity, 
+          queue: {scope:'_draggable', position:'end'},
+          afterFinish: function(){ Draggable._dragging[element] = false }
+        }); 
+      },
+      zindex: 1000,
+      revert: false,
+      scroll: false,
+      scrollSensitivity: 20,
+      scrollSpeed: 15,
+      snap: false   // false, or xy or [x,y] or function(x,y){ return [x,y] }
+    }, arguments[1] || {});
+
+    this.element = $(element);
+    
+    if(options.handle && (typeof options.handle == 'string')) {
+      var h = Element.childrenWithClassName(this.element, options.handle, true);
+      if(h.length>0) this.handle = h[0];
+    }
+    if(!this.handle) this.handle = $(options.handle);
+    if(!this.handle) this.handle = this.element;
+    
+    if(options.scroll && !options.scroll.scrollTo && !options.scroll.outerHTML)
+      options.scroll = $(options.scroll);
+
+    Element.makePositioned(this.element); // fix IE    
+
+    this.delta    = this.currentDelta();
+    this.options  = options;
+    this.dragging = false;   
+
+    this.eventMouseDown = this.initDrag.bindAsEventListener(this);
+    Event.observe(this.handle, "mousedown", this.eventMouseDown);
+    
+    Draggables.register(this);
+  },
+  
+  destroy: function() {
+    Event.stopObserving(this.handle, "mousedown", this.eventMouseDown);
+    Draggables.unregister(this);
+  },
+  
+  currentDelta: function() {
+    return([
+      parseInt(Element.getStyle(this.element,'left') || '0'),
+      parseInt(Element.getStyle(this.element,'top') || '0')]);
+  },
+  
+  initDrag: function(event) {
+    if(typeof Draggable._dragging[this.element] != undefined &&
+      Draggable._dragging[this.element]) return;
+    if(Event.isLeftClick(event)) {    
+      // abort on form elements, fixes a Firefox issue
+      var src = Event.element(event);
+      if(src.tagName && (
+        src.tagName=='INPUT' ||
+        src.tagName=='SELECT' ||
+        src.tagName=='OPTION' ||
+        src.tagName=='BUTTON' ||
+        src.tagName=='TEXTAREA')) return;
+        
+      if(Draggable._revertCache[this.element]) {
+        Draggable._revertCache[this.element].cancel();
+        Draggable._revertCache[this.element] = null;
+      }
+      
+      var pointer = [Event.pointerX(event), Event.pointerY(event)];
+      var pos     = Position.cumulativeOffset(this.element);
+      this.offset = [0,1].map( function(i) { return (pointer[i] - pos[i]) });
+      
+      Draggables.activate(this);
+      Event.stop(event);
+    }
+  },
+  
+  startDrag: function(event) {
+    this.dragging = true;
+    
+    if(this.options.zindex) {
+      this.originalZ = parseInt(Element.getStyle(this.element,'z-index') || 0);
+      this.element.style.zIndex = this.options.zindex;
+    }
+    
+    if(this.options.ghosting) {
+      this._clone = this.element.cloneNode(true);
+      Position.absolutize(this.element);
+      this.element.parentNode.insertBefore(this._clone, this.element);
+    }
+    
+    if(this.options.scroll) {
+      if (this.options.scroll == window) {
+        var where = this._getWindowScroll(this.options.scroll);
+        this.originalScrollLeft = where.left;
+        this.originalScrollTop = where.top;
+      } else {
+        this.originalScrollLeft = this.options.scroll.scrollLeft;
+        this.originalScrollTop = this.options.scroll.scrollTop;
+      }
+    }
+    
+    Draggables.notify('onStart', this, event);
+    if(this.options.starteffect) this.options.starteffect(this.element);
+  },
+  
+  updateDrag: function(event, pointer) {
+    if(!this.dragging) this.startDrag(event);
+    Position.prepare();
+    Droppables.show(pointer, this.element);
+    Draggables.notify('onDrag', this, event);
+    this.draw(pointer);
+    if(this.options.change) this.options.change(this);
+    
+    if(this.options.scroll) {
+      this.stopScrolling();
+      
+      var p;
+      if (this.options.scroll == window) {
+        with(this._getWindowScroll(this.options.scroll)) { p = [ left, top, left+width, top+height ]; }
+      } else {
+        p = Position.page(this.options.scroll);
+        p[0] += this.options.scroll.scrollLeft;
+        p[1] += this.options.scroll.scrollTop;
+        p.push(p[0]+this.options.scroll.offsetWidth);
+        p.push(p[1]+this.options.scroll.offsetHeight);
+      }
+      var speed = [0,0];
+      if(pointer[0] < (p[0]+this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[0]+this.options.scrollSensitivity);
+      if(pointer[1] < (p[1]+this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[1]+this.options.scrollSensitivity);
+      if(pointer[0] > (p[2]-this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[2]-this.options.scrollSensitivity);
+      if(pointer[1] > (p[3]-this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[3]-this.options.scrollSensitivity);
+      this.startScrolling(speed);
+    }
+    
+    // fix AppleWebKit rendering
+    if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);
+    
+    Event.stop(event);
+  },
+  
+  finishDrag: function(event, success) {
+    this.dragging = false;
+
+    if(this.options.ghosting) {
+      Position.relativize(this.element);
+      Element.remove(this._clone);
+      this._clone = null;
+    }
+
+    if(success) Droppables.fire(event, this.element);
+    Draggables.notify('onEnd', this, event);
+
+    var revert = this.options.revert;
+    if(revert && typeof revert == 'function') revert = revert(this.element);
+    
+    var d = this.currentDelta();
+    if(revert && this.options.reverteffect) {
+      this.options.reverteffect(this.element, 
+        d[1]-this.delta[1], d[0]-this.delta[0]);
+    } else {
+      this.delta = d;
+    }
+
+    if(this.options.zindex)
+      this.element.style.zIndex = this.originalZ;
+
+    if(this.options.endeffect) 
+      this.options.endeffect(this.element);
+
+    Draggables.deactivate(this);
+    Droppables.reset();
+  },
+  
+  keyPress: function(event) {
+    if(event.keyCode!=Event.KEY_ESC) return;
+    this.finishDrag(event, false);
+    Event.stop(event);
+  },
+  
+  endDrag: function(event) {
+    if(!this.dragging) return;
+    this.stopScrolling();
+    this.finishDrag(event, true);
+    Event.stop(event);
+  },
+  
+  draw: function(point) {
+    var pos = Position.cumulativeOffset(this.element);
+    var d = this.currentDelta();
+    pos[0] -= d[0]; pos[1] -= d[1];
+    
+    if(this.options.scroll && (this.options.scroll != window)) {
+      pos[0] -= this.options.scroll.scrollLeft-this.originalScrollLeft;
+      pos[1] -= this.options.scroll.scrollTop-this.originalScrollTop;
+    }
+    
+    var p = [0,1].map(function(i){ 
+      return (point[i]-pos[i]-this.offset[i]) 
+    }.bind(this));
+    
+    if(this.options.snap) {
+      if(typeof this.options.snap == 'function') {
+        p = this.options.snap(p[0],p[1],this);
+      } else {
+      if(this.options.snap instanceof Array) {
+        p = p.map( function(v, i) {
+          return Math.round(v/this.options.snap[i])*this.options.snap[i] }.bind(this))
+      } else {
+        p = p.map( function(v) {
+          return Math.round(v/this.options.snap)*this.options.snap }.bind(this))
+      }
+    }}
+    
+    var style = this.element.style;
+    if((!this.options.constraint) || (this.options.constraint=='horizontal'))
+      style.left = p[0] + "px";
+    if((!this.options.constraint) || (this.options.constraint=='vertical'))
+      style.top  = p[1] + "px";
+    if(style.visibility=="hidden") style.visibility = ""; // fix gecko rendering
+  },
+  
+  stopScrolling: function() {
+    if(this.scrollInterval) {
+      clearInterval(this.scrollInterval);
+      this.scrollInterval = null;
+      Draggables._lastScrollPointer = null;
+    }
+  },
+  
+  startScrolling: function(speed) {
+    if(!(speed[0] || speed[1])) return;
+    this.scrollSpeed = [speed[0]*this.options.scrollSpeed,speed[1]*this.options.scrollSpeed];
+    this.lastScrolled = new Date();
+    this.scrollInterval = setInterval(this.scroll.bind(this), 10);
+  },
+  
+  scroll: function() {
+    var current = new Date();
+    var delta = current - this.lastScrolled;
+    this.lastScrolled = current;
+    if(this.options.scroll == window) {
+      with (this._getWindowScroll(this.options.scroll)) {
+        if (this.scrollSpeed[0] || this.scrollSpeed[1]) {
+          var d = delta / 1000;
+          this.options.scroll.scrollTo( left + d*this.scrollSpeed[0], top + d*this.scrollSpeed[1] );
+        }
+      }
+    } else {
+      this.options.scroll.scrollLeft += this.scrollSpeed[0] * delta / 1000;
+      this.options.scroll.scrollTop  += this.scrollSpeed[1] * delta / 1000;
+    }
+    
+    Position.prepare();
+    Droppables.show(Draggables._lastPointer, this.element);
+    Draggables.notify('onDrag', this);
+    Draggables._lastScrollPointer = Draggables._lastScrollPointer || $A(Draggables._lastPointer);
+    Draggables._lastScrollPointer[0] += this.scrollSpeed[0] * delta / 1000;
+    Draggables._lastScrollPointer[1] += this.scrollSpeed[1] * delta / 1000;
+    if (Draggables._lastScrollPointer[0] < 0)
+      Draggables._lastScrollPointer[0] = 0;
+    if (Draggables._lastScrollPointer[1] < 0)
+      Draggables._lastScrollPointer[1] = 0;
+    this.draw(Draggables._lastScrollPointer);
+    
+    if(this.options.change) this.options.change(this);
+  },
+  
+  _getWindowScroll: function(w) {
+    var T, L, W, H;
+    with (w.document) {
+      if (w.document.documentElement && documentElement.scrollTop) {
+        T = documentElement.scrollTop;
+        L = documentElement.scrollLeft;
+      } else if (w.document.body) {
+        T = body.scrollTop;
+        L = body.scrollLeft;
+      }
+      if (w.innerWidth) {
+        W = w.innerWidth;
+        H = w.innerHeight;
+      } else if (w.document.documentElement && documentElement.clientWidth) {
+        W = documentElement.clientWidth;
+        H = documentElement.clientHeight;
+      } else {
+        W = body.offsetWidth;
+        H = body.offsetHeight
+      }
+    }
+    return { top: T, left: L, width: W, height: H };
+  }
+}
+
+/*--------------------------------------------------------------------------*/
+
+var SortableObserver = Class.create();
+SortableObserver.prototype = {
+  initialize: function(element, observer) {
+    this.element   = $(element);
+    this.observer  = observer;
+    this.lastValue = Sortable.serialize(this.element);
+  },
+  
+  onStart: function() {
+    this.lastValue = Sortable.serialize(this.element);
+  },
+  
+  onEnd: function() {
+    Sortable.unmark();
+    if(this.lastValue != Sortable.serialize(this.element))
+      this.observer(this.element)
+  }
+}
+
+var Sortable = {
+  sortables: {},
+  
+  _findRootElement: function(element) {
+    while (element.tagName != "BODY") {  
+      if(element.id && Sortable.sortables[element.id]) return element;
+      element = element.parentNode;
+    }
+  },
+
+  options: function(element) {
+    element = Sortable._findRootElement($(element));
+    if(!element) return;
+    return Sortable.sortables[element.id];
+  },
+  
+  destroy: function(element){
+    var s = Sortable.options(element);
+    
+    if(s) {
+      Draggables.removeObserver(s.element);
+      s.droppables.each(function(d){ Droppables.remove(d) });
+      s.draggables.invoke('destroy');
+      
+      delete Sortable.sortables[s.element.id];
+    }
+  },
+
+  create: function(element) {
+    element = $(element);
+    var options = Object.extend({ 
+      element:     element,
+      tag:         'li',       // assumes li children, override with tag: 'tagname'
+      dropOnEmpty: false,
+      tree:        false,
+      treeTag:     'ul',
+      overlap:     'vertical', // one of 'vertical', 'horizontal'
+      constraint:  'vertical', // one of 'vertical', 'horizontal', false
+      containment: element,    // also takes array of elements (or id's); or false
+      handle:      false,      // or a CSS class
+      only:        false,
+      hoverclass:  null,
+      ghosting:    false,
+      scroll:      false,
+      scrollSensitivity: 20,
+      scrollSpeed: 15,
+      format:      /^[^_]*_(.*)$/,
+      onChange:    Prototype.emptyFunction,
+      onUpdate:    Prototype.emptyFunction
+    }, arguments[1] || {});
+
+    // clear any old sortable with same element
+    this.destroy(element);
+
+    // build options for the draggables
+    var options_for_draggable = {
+      revert:      true,
+      scroll:      options.scroll,
+      scrollSpeed: options.scrollSpeed,
+      scrollSensitivity: options.scrollSensitivity,
+      ghosting:    options.ghosting,
+      constraint:  options.constraint,
+      handle:      options.handle };
+
+    if(options.starteffect)
+      options_for_draggable.starteffect = options.starteffect;
+
+    if(options.reverteffect)
+      options_for_draggable.reverteffect = options.reverteffect;
+    else
+      if(options.ghosting) options_for_draggable.reverteffect = function(element) {
+        element.style.top  = 0;
+        element.style.left = 0;
+      };
+
+    if(options.endeffect)
+      options_for_draggable.endeffect = options.endeffect;
+
+    if(options.zindex)
+      options_for_draggable.zindex = options.zindex;
+
+    // build options for the droppables  
+    var options_for_droppable = {
+      overlap:     options.overlap,
+      containment: options.containment,
+      tree:        options.tree,
+      hoverclass:  options.hoverclass,
+      onHover:     Sortable.onHover
+      //greedy:      !options.dropOnEmpty
+    }
+    
+    var options_for_tree = {
+      onHover:      Sortable.onEmptyHover,
+      overlap:      options.overlap,
+      containment:  options.containment,
+      hoverclass:   options.hoverclass
+    }
+
+    // fix for gecko engine
+    Element.cleanWhitespace(element); 
+
+    options.draggables = [];
+    options.droppables = [];
+
+    // drop on empty handling
+    if(options.dropOnEmpty || options.tree) {
+      Droppables.add(element, options_for_tree);
+      options.droppables.push(element);
+    }
+
+    (this.findElements(element, options) || []).each( function(e) {
+      // handles are per-draggable
+      var handle = options.handle ? 
+        Element.childrenWithClassName(e, options.handle)[0] : e;    
+      options.draggables.push(
+        new Draggable(e, Object.extend(options_for_draggable, { handle: handle })));
+      Droppables.add(e, options_for_droppable);
+      if(options.tree) e.treeNode = element;
+      options.droppables.push(e);      
+    });
+    
+    if(options.tree) {
+      (Sortable.findTreeElements(element, options) || []).each( function(e) {
+        Droppables.add(e, options_for_tree);
+        e.treeNode = element;
+        options.droppables.push(e);
+      });
+    }
+
+    // keep reference
+    this.sortables[element.id] = options;
+
+    // for onupdate
+    Draggables.addObserver(new SortableObserver(element, options.onUpdate));
+
+  },
+
+  // return all suitable-for-sortable elements in a guaranteed order
+  findElements: function(element, options) {
+    return Element.findChildren(
+      element, options.only, options.tree ? true : false, options.tag);
+  },
+  
+  findTreeElements: function(element, options) {
+    return Element.findChildren(
+      element, options.only, options.tree ? true : false, options.treeTag);
+  },
+
+  onHover: function(element, dropon, overlap) {
+    if(Element.isParent(dropon, element)) return;
+
+    if(overlap > .33 && overlap < .66 && Sortable.options(dropon).tree) {
+      return;
+    } else if(overlap>0.5) {
+      Sortable.mark(dropon, 'before');
+      if(dropon.previousSibling != element) {
+        var oldParentNode = element.parentNode;
+        element.style.visibility = "hidden"; // fix gecko rendering
+        dropon.parentNode.insertBefore(element, dropon);
+        if(dropon.parentNode!=oldParentNode) 
+          Sortable.options(oldParentNode).onChange(element);
+        Sortable.options(dropon.parentNode).onChange(element);
+      }
+    } else {
+      Sortable.mark(dropon, 'after');
+      var nextElement = dropon.nextSibling || null;
+      if(nextElement != element) {
+        var oldParentNode = element.parentNode;
+        element.style.visibility = "hidden"; // fix gecko rendering
+        dropon.parentNode.insertBefore(element, nextElement);
+        if(dropon.parentNode!=oldParentNode) 
+          Sortable.options(oldParentNode).onChange(element);
+        Sortable.options(dropon.parentNode).onChange(element);
+      }
+    }
+  },
+  
+  onEmptyHover: function(element, dropon, overlap) {
+    var oldParentNode = element.parentNode;
+    var droponOptions = Sortable.options(dropon);
+        
+    if(!Element.isParent(dropon, element)) {
+      var index;
+      
+      var children = Sortable.findElements(dropon, {tag: droponOptions.tag, only: droponOptions.only});
+      var child = null;
+            
+      if(children) {
+        var offset = Element.offsetSize(dropon, droponOptions.overlap) * (1.0 - overlap);
+        
+        for (index = 0; index < children.length; index += 1) {
+          if (offset - Element.offsetSize (children[index], droponOptions.overlap) >= 0) {
+            offset -= Element.offsetSize (children[index], droponOptions.overlap);
+          } else if (offset - (Element.offsetSize (children[index], droponOptions.overlap) / 2) >= 0) {
+            child = index + 1 < children.length ? children[index + 1] : null;
+            break;
+          } else {
+            child = children[index];
+            break;
+          }
+        }
+      }
+      
+      dropon.insertBefore(element, child);
+      
+      Sortable.options(oldParentNode).onChange(element);
+      droponOptions.onChange(element);
+    }
+  },
+
+  unmark: function() {
+    if(Sortable._marker) Element.hide(Sortable._marker);
+  },
+
+  mark: function(dropon, position) {
+    // mark on ghosting only
+    var sortable = Sortable.options(dropon.parentNode);
+    if(sortable && !sortable.ghosting) return; 
+
+    if(!Sortable._marker) {
+      Sortable._marker = $('dropmarker') || document.createElement('DIV');
+      Element.hide(Sortable._marker);
+      Element.addClassName(Sortable._marker, 'dropmarker');
+      Sortable._marker.style.position = 'absolute';
+      document.getElementsByTagName("body").item(0).appendChild(Sortable._marker);
+    }    
+    var offsets = Position.cumulativeOffset(dropon);
+    Sortable._marker.style.left = offsets[0] + 'px';
+    Sortable._marker.style.top = offsets[1] + 'px';
+    
+    if(position=='after')
+      if(sortable.overlap == 'horizontal') 
+        Sortable._marker.style.left = (offsets[0]+dropon.clientWidth) + 'px';
+      else
+        Sortable._marker.style.top = (offsets[1]+dropon.clientHeight) + 'px';
+    
+    Element.show(Sortable._marker);
+  },
+  
+  _tree: function(element, options, parent) {
+    var children = Sortable.findElements(element, options) || [];
+  
+    for (var i = 0; i < children.length; ++i) {
+      var match = children[i].id.match(options.format);
+
+      if (!match) continue;
+      
+      var child = {
+        id: encodeURIComponent(match ? match[1] : null),
+        element: element,
+        parent: parent,
+        children: new Array,
+        position: parent.children.length,
+        container: Sortable._findChildrenElement(children[i], options.treeTag.toUpperCase())
+      }
+      
+      /* Get the element containing the children and recurse over it */
+      if (child.container)
+        this._tree(child.container, options, child)
+      
+      parent.children.push (child);
+    }
+
+    return parent; 
+  },
+
+  /* Finds the first element of the given tag type within a parent element.
+    Used for finding the first LI[ST] within a L[IST]I[TEM].*/
+  _findChildrenElement: function (element, containerTag) {
+    if (element && element.hasChildNodes)
+      for (var i = 0; i < element.childNodes.length; ++i)
+        if (element.childNodes[i].tagName == containerTag)
+          return element.childNodes[i];
+  
+    return null;
+  },
+
+  tree: function(element) {
+    element = $(element);
+    var sortableOptions = this.options(element);
+    var options = Object.extend({
+      tag: sortableOptions.tag,
+      treeTag: sortableOptions.treeTag,
+      only: sortableOptions.only,
+      name: element.id,
+      format: sortableOptions.format
+    }, arguments[1] || {});
+    
+    var root = {
+      id: null,
+      parent: null,
+      children: new Array,
+      container: element,
+      position: 0
+    }
+    
+    return Sortable._tree (element, options, root);
+  },
+
+  /* Construct a [i] index for a particular node */
+  _constructIndex: function(node) {
+    var index = '';
+    do {
+      if (node.id) index = '[' + node.position + ']' + index;
+    } while ((node = node.parent) != null);
+    return index;
+  },
+
+  sequence: function(element) {
+    element = $(element);
+    var options = Object.extend(this.options(element), arguments[1] || {});
+    
+    return $(this.findElements(element, options) || []).map( function(item) {
+      return item.id.match(options.format) ? item.id.match(options.format)[1] : '';
+    });
+  },
+
+  setSequence: function(element, new_sequence) {
+    element = $(element);
+    var options = Object.extend(this.options(element), arguments[2] || {});
+    
+    var nodeMap = {};
+    this.findElements(element, options).each( function(n) {
+        if (n.id.match(options.format))
+            nodeMap[n.id.match(options.format)[1]] = [n, n.parentNode];
+        n.parentNode.removeChild(n);
+    });
+   
+    new_sequence.each(function(ident) {
+      var n = nodeMap[ident];
+      if (n) {
+        n[1].appendChild(n[0]);
+        delete nodeMap[ident];
+      }
+    });
+  },
+  
+  serialize: function(element) {
+    element = $(element);
+    var options = Object.extend(Sortable.options(element), arguments[1] || {});
+    var name = encodeURIComponent(
+      (arguments[1] && arguments[1].name) ? arguments[1].name : element.id);
+    
+    if (options.tree) {
+      return Sortable.tree(element, arguments[1]).children.map( function (item) {
+        return [name + Sortable._constructIndex(item) + "[id]=" + 
+                encodeURIComponent(item.id)].concat(item.children.map(arguments.callee));
+      }).flatten().join('&');
+    } else {
+      return Sortable.sequence(element, arguments[1]).map( function(item) {
+        return name + "[]=" + encodeURIComponent(item);
+      }).join('&');
+    }
+  }
+}
+
+/* Returns true if child is contained within element */
+Element.isParent = function(child, element) {
+  if (!child.parentNode || child == element) return false;
+
+  if (child.parentNode == element) return true;
+
+  return Element.isParent(child.parentNode, element);
+}
+
+Element.findChildren = function(element, only, recursive, tagName) {    
+  if(!element.hasChildNodes()) return null;
+  tagName = tagName.toUpperCase();
+  if(only) only = [only].flatten();
+  var elements = [];
+  $A(element.childNodes).each( function(e) {
+    if(e.tagName && e.tagName.toUpperCase()==tagName &&
+      (!only || (Element.classNames(e).detect(function(v) { return only.include(v) }))))
+        elements.push(e);
+    if(recursive) {
+      var grandchildren = Element.findChildren(e, only, recursive, tagName);
+      if(grandchildren) elements.push(grandchildren);
+    }
+  });
+
+  return (elements.length>0 ? elements.flatten() : []);
+}
+
+Element.offsetSize = function (element, type) {
+  if (type == 'vertical' || type == 'height')
+    return element.offsetHeight;
+  else
+    return element.offsetWidth;
+}
+