if(window.Node&&Node.prototype&&!Node.prototype.contains){Node.prototype.contains=function(arg){return!!(this.compareDocumentPosition(arg)&16);};}(function($){$.extend($.expr[':'],{sortable:"(' '+a.className+' ').indexOf(' ui-sortable ')"});$.fn.extend({sortable:function(options){if(options=="serialize")
return $.data(this,"ui-sortable").serialize();return this.each(function(){if(typeof options=="string"){var sort=$.data(this,"ui-sortable");sort[options].apply(sort,args);}else if(!$.data(this,"ui-sortable"))
new $.ui.sortable(this,options);});}});$.ui.sortable=function(element,options){var self=this;this.element=$(element);$.data(element,"ui-sortable",this);this.element.addClass("ui-sortable");this.options=$.extend({},options);var o=this.options;$.extend(o,{items:this.options.items||'> *',zIndex:this.options.zIndex||1000,startCondition:function(){return!self.disabled;}});$(element).bind("setData.sortable",function(event,key,value){self.options[key]=value;}).bind("getData.sortable",function(event,key){return self.options[key];});this.refresh();this.floating=/left|right/.test(this.items[0].item.css('float'));if(!/(relative|absolute|fixed)/.test(this.element.css('position')))this.element.css('position','relative');this.offset=this.element.offset({border:false});this.element.mouseInteraction({executor:this,delay:o.delay,distance:o.distance||0,dragPrevention:o.prevention?o.prevention.toLowerCase().split(','):['input','textarea','button','select','option'],start:this.start,stop:this.stop,drag:this.drag,condition:function(e){if(this.disabled)return false;var currentItem=null,nodes=$(e.target).parents().andSelf().each(function(){if($.data(this,'ui-sortable-item'))currentItem=$(this);});if(currentItem){this.currentItem=currentItem;return true;}else return false;}});};$.extend($.ui.sortable.prototype,{plugins:{},ui:function(){return{helper:this.helper,placeholder:this.placeholder||$([]),position:this.position,absolutePosition:this.positionAbs,instance:this,options:this.options};},propagate:function(n,e){$.ui.plugin.call(this,n,[e,this.ui()]);this.element.triggerHandler(n=="sort"?n:"sort"+n,[e,this.ui()],this.options[n]);},serialize:function(o){var items=$(this.options.items,this.element);var str='';o=o||{};$(this.options.items,this.element).each(function(){var res=(this.getAttribute(o.attribute||'id')||'').match(o.expression||/(.+)[-=_](.+)/);if(res)str+=res[1]+'[]='+res[2];});return str;},intersectsWith:function(item){var x1=this.positionAbs.left,x2=x1+this.helperProportions.width,y1=this.positionAbs.top,y2=y1+this.helperProportions.height;var l=item.left,r=l+item.width,t=item.top,b=t+item.height;return(l<x1+(this.helperProportions.width/2)&&x2-(this.helperProportions.width/2)<r&&t<y1+(this.helperProportions.height/2)&&y2-(this.helperProportions.height/2)<b);},refresh:function(){
this.items=[];var items=this.items;var queries=[$(this.options.items,this.element)];if(this.options.connectWith){for(var i=this.options.connectWith.length-1;i>=0;i--){var inst=$.data($(this.options.connectWith[i])[0],'ui-sortable');if(inst&&!inst.disabled)queries.push($(inst.options.items,inst.element));};}
for(var i=queries.length-1;i>=0;i--){queries[i].each(function(){$.data(this,'ui-sortable-item',true);items.push({item:$(this),width:0,height:0,left:0,top:0});});};},refreshPositions:function(fast){for(var i=this.items.length-1;i>=0;i--){if(!fast)this.items[i].width=this.items[i].item.outerWidth();if(!fast)this.items[i].height=this.items[i].item.outerHeight();var p=this.items[i].item.offset();this.items[i].left=p.left;this.items[i].top=p.top;};},destroy:function(){this.element
.removeClass("ui-sortable ui-sortable-disabled")
.removeData("ui-sortable")
.unbind(".sortable")
.removeMouseInteraction();for(var i=this.items.length-1;i>=0;i--)
this.items[i].item.removeData("ui-sortable-item");},enable:function(){this.element.removeClass("ui-sortable-disabled");this.disabled=false;},disable:function(){this.element.addClass("ui-sortable-disabled");this.disabled=true;},createPlaceholder:function(){this.placeholderElement=this.options.placeholderElement?$(this.options.placeholderElement,this.currentItem):this.currentItem;this.placeholder=$('<div></div>')
.addClass(this.options.placeholder)
.appendTo('body')
.css({position:'absolute'})
.css(this.placeholderElement.offset())
.css({width:this.placeholderElement.outerWidth(),height:this.placeholderElement.outerHeight()});},recallOffset:function(e){var elementPosition={left:this.elementOffset.left-this.offsetParentOffset.left,top:this.elementOffset.top-this.offsetParentOffset.top};var r=this.helper.css('position')=='relative';this.originalPosition={left:(r?parseInt(this.helper.css('left'))||0:elementPosition.left+(this.offsetParent[0]==document.body?0:this.offsetParent[0].scrollLeft)),top:(r?parseInt(this.helper.css('top'))||0:elementPosition.top+(this.offsetParent[0]==document.body?0:this.offsetParent[0].scrollTop))};this.offset={left:this._pageX-this.originalPosition.left+(parseInt(this.currentItem.css('marginLeft'))||0),top:this._pageY-this.originalPosition.top+(parseInt(this.currentItem.css('marginTop'))||0)};},start:function(e){var o=this.options;this.refresh();this.refreshPositions();this.helper=typeof o.helper=='function'?$(o.helper.apply(this.element[0],[e,this.currentItem])):this.currentItem.clone();this.helper.appendTo(this.currentItem[0].parentNode).css('position','absolute').css('float','none').css('clear','both');this.offsetParent=(function(cp){while(cp){if(cp.style&&(/(absolute|relative|fixed)/).test($.css(cp,'position')))return $(cp);cp=cp.parentNode?cp.parentNode:null;};return $("body");})(this.helper[0].parentNode);this.elementOffset=this.currentItem.offset();this.offsetParentOffset=this.offsetParent.offset();var elementPosition={left:this.elementOffset.left-this.offsetParentOffset.left,top:this.elementOffset.top-this.offsetParentOffset.top};this._pageX=e.pageX;this._pageY=e.pageY;this.clickOffset={left:e.pageX-this.elementOffset.left,top:e.pageY-this.elementOffset.top};var r=this.helper.css('position')=='relative';this.originalPosition={left:(r?parseInt(this.helper.css('left'))||0:elementPosition.left+(this.offsetParent[0]==document.body?0:this.offsetParent[0].scrollLeft)),top:(r?parseInt(this.helper.css('top'))||0:elementPosition.top+(this.offsetParent[0]==document.body?0:this.offsetParent[0].scrollTop))};this.offset={left:e.pageX-this.originalPosition.left+(parseInt(this.currentItem.css('marginLeft'))||0),top:e.pageY-this.originalPosition.top+(parseInt(this.currentItem.css('marginTop'))||0)};this.position={top:e.pageY-this.offset.top,left:e.pageX-this.offset.left};this.positionAbs={left:e.pageX-this.clickOffset.left,top:e.pageY-this.clickOffset.top};this.positionDOM=this.currentItem.prev()[0];if(o.placeholder)this.createPlaceholder();this.propagate("start",e);this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()};$(this.currentItem).css('visibility','hidden');return false;},stop:function(e){this.propagate("stop",e);if(this.positionDOM!=this.currentItem.prev()[0])this.propagate("update",e);if(this.cancelHelperRemoval)return false;$(this.currentItem).css('visibility','visible');if(this.placeholder)this.placeholder.remove();this.helper.remove();return false;},drag:function(e){this.direction=(this.floating&&this.positionAbs.left>e.pageX-this.clickOffset.left)||(this.positionAbs.top>e.pageY-this.clickOffset.top)?'down':'up';this.position={top:e.pageY-this.offset.top,left:e.pageX-this.offset.left};this.positionAbs={left:e.pageX-this.clickOffset.left,top:e.pageY-this.clickOffset.top};for(var i=this.items.length-1;i>=0;i--){if(this.intersectsWith(this.items[i])&&this.items[i].item[0]!=this.currentItem[0]&&(this.options.tree?!this.currentItem[0].contains(this.items[i].item[0]):true)){this.items[i].item[this.direction=='down'?'before':'after'](this.currentItem);this.refreshPositions(true);if(this.placeholderElement)this.placeholder.css(this.placeholderElement.offset());this.propagate("change",e);break;}}
this.propagate("sort",e);this.helper.css({left:this.position.left+'px',top:this.position.top+'px'});return false;}});})(jQuery);