(function($){$.fn.extend({draggable:function(options){var args=Array.prototype.slice.call(arguments,1);return this.each(function(){if(typeof options=="string"){var drag=$.data(this,"ui-draggable");drag[options].apply(drag,args);}else if(!$.data(this,"ui-draggable"))

new $.ui.draggable(this,options);});}});$.ui.draggable=function(element,options){var self=this;this.element=$(element);$.data(element,"ui-draggable",this);this.element.addClass("ui-draggable");this.options=$.extend({},options);var o=this.options;$.extend(o,{helper:o.ghosting==true?'clone':(o.helper||'original'),handle:o.handle?($(o.handle,element)[0]?$(o.handle,element):this.element):this.element,appendTo:o.appendTo||'parent'});$(element).bind("setData.draggable",function(event,key,value){self.options[key]=value;}).bind("getData.draggable",function(event,key){return self.options[key];});$(o.handle).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){return!(e.target.className.indexOf("ui-resizable-handle")!=-1||this.disabled);}});if(o.helper=='original'&&(this.element.css('position')=='static'||this.element.css('position')==''))

this.element.css('position','relative');};$.extend($.ui.draggable.prototype,{plugins:{},ui:function(e){return{helper:this.helper,position:this.position,absolutePosition:this.positionAbs,instance:this,options:this.options};},propagate:function(n,e){$.ui.plugin.call(this,n,[e,this.ui()]);return this.element.triggerHandler(n=="drag"?n:"drag"+n,[e,this.ui()],this.options[n]);},destroy:function(){this.handle.removeMouseInteraction();this.element.removeClass("ui-draggable ui-draggable-disabled").removeData("ui-draggable").unbind(".draggable");},enable:function(){this.element.removeClass("ui-draggable-disabled");this.disabled=false;},disable:function(){this.element.addClass("ui-draggable-disabled");this.disabled=true;},recallOffset:function(e){var elementPosition={left:this.elementOffset.left-this.offsetParentOffset.left,top:this.elementOffset.top-this.offsetParentOffset.top};var r=this.helper.css('position')=='relative';this.originalPosition={left:(r?parseInt(this.helper.css('left'),10)||0:elementPosition.left+(this.offsetParent[0]==document.body?0:this.offsetParent[0].scrollLeft)),top:(r?parseInt(this.helper.css('top'),10)||0:elementPosition.top+(this.offsetParent[0]==document.body?0:this.offsetParent[0].scrollTop))};this.offset={left:this._pageX-this.originalPosition.left,top:this._pageY-this.originalPosition.top};},start:function(e){var o=this.options;if($.ui.ddmanager)$.ui.ddmanager.current=this;this.helper=typeof o.helper=='function'?$(o.helper.apply(this.element[0],[e])):(o.helper=='clone'?this.element.clone().appendTo((o.appendTo=='parent'?this.element[0].parentNode:o.appendTo)):this.element);if(this.helper[0]!=this.element[0])this.helper.css('position','absolute');if(!this.helper.parents('body').length)this.helper.appendTo((o.appendTo=='parent'?this.element[0].parentNode:o.appendTo));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 $("body");})(this.helper[0].parentNode);this.elementOffset=this.element.offset();this.offsetParentOffset=this.offsetParent.offset();var elementPosition={left:this.elementOffset.left-this.offsetParentOffset.left,top:this.elementOffset.top-this.offsetParentOffset.top};this._pageX=e.pageX;this._pageY=e.pageY;this.clickOffset={left:e.pageX-this.elementOffset.left,top:e.pageY-this.elementOffset.top};var r=this.helper.css('position')=='relative';this.originalPosition={left:(r?parseInt(this.helper.css('left'),10)||0:elementPosition.left+(this.offsetParent[0]==document.body?0:this.offsetParent[0].scrollLeft)),top:(r?parseInt(this.helper.css('top'),10)||0:elementPosition.top+(this.offsetParent[0]==document.body?0:this.offsetParent[0].scrollTop))};if(this.element.css('position')=='fixed'){this.originalPosition.top-=this.offsetParent[0]==document.body?$(document).scrollTop():this.offsetParent[0].scrollTop;this.originalPosition.left-=this.offsetParent[0]==document.body?$(document).scrollLeft():this.offsetParent[0].scrollLeft;}

this.offset={left:e.pageX-this.originalPosition.left,top:e.pageY-this.originalPosition.top};this.propagate("start",e);this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()};if($.ui.ddmanager&&!o.dropBehaviour)$.ui.ddmanager.prepareOffsets(this,e);if(o.cursorAt){if(o.cursorAt.top!=undefined||o.cursorAt.bottom!=undefined){this.offset.top-=this.clickOffset.top-(o.cursorAt.top!=undefined?o.cursorAt.top:(this.helperProportions.height-o.cursorAt.bottom));this.clickOffset.top=(o.cursorAt.top!=undefined?o.cursorAt.top:(this.helperProportions.height-o.cursorAt.bottom));}

if(o.cursorAt.left!=undefined||o.cursorAt.right!=undefined){this.offset.left-=this.clickOffset.left-(o.cursorAt.left!=undefined?o.cursorAt.left:(this.helperProportions.width-o.cursorAt.right));this.clickOffset.left=(o.cursorAt.left!=undefined?o.cursorAt.left:(this.helperProportions.width-o.cursorAt.right));}}

return false;},clear:function(){if($.ui.ddmanager)$.ui.ddmanager.current=null;this.helper=null;},stop:function(e){if($.ui.ddmanager&&!this.options.dropBehaviour)

$.ui.ddmanager.drop(this,e);this.propagate("stop",e);if(this.cancelHelperRemoval)return false;if(this.options.helper!='original')this.helper.remove();this.clear();return false;},drag:function(e){this.position={top:e.pageY-this.offset.top,left:e.pageX-this.offset.left};this.positionAbs={left:e.pageX-this.clickOffset.left,top:e.pageY-this.clickOffset.top};this.position=this.propagate("drag",e)||this.position;this.helper.css({left:this.position.left+'px',top:this.position.top+'px'});if($.ui.ddmanager)$.ui.ddmanager.drag(this,e);return false;}});})(jQuery);