/*!
 * jQuery UI Draggable 1.13.1
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */
(function(factory){"use strict";if(typeof define==="function"&&define.amd){define(["jquery","./mouse","../data","../plugin","../safe-active-element","../safe-blur","../scroll-parent","../version","../widget"],factory);}else{factory(jQuery);}})(function($){"use strict";$.widget("ui.draggable",$.ui.mouse,{version:"1.13.1",widgetEventPrefix:"drag",options:{addClasses:true,appendTo:"parent",axis:false,connectToSortable:false,containment:false,cursor:"auto",cursorAt:false,grid:false,handle:false,helper:"original",iframeFix:false,opacity:false,refreshPositions:false,revert:false,revertDuration:500,scope:"default",scroll:true,scrollSensitivity:20,scrollSpeed:20,snap:false,snapMode:"both",snapTolerance:20,stack:false,zIndex:false,drag:null,start:null,stop:null},_create:function(){if(this.options.helper==="original"){this._setPositionRelative();}
if(this.options.addClasses){this._addClass("ui-draggable");}
this._setHandleClassName();this._mouseInit();},_setOption:function(key,value){this._super(key,value);if(key==="handle"){this._removeHandleClassName();this._setHandleClassName();}},_destroy:function(){if((this.helper||this.element).is(".ui-draggable-dragging")){this.destroyOnClear=true;return;}
this._removeHandleClassName();this._mouseDestroy();},_mouseCapture:function(event){var o=this.options;if(this.helper||o.disabled||$(event.target).closest(".ui-resizable-handle").length>0){return false;}
this.handle=this._getHandle(event);if(!this.handle){return false;}
this._blurActiveElement(event);this._blockFrames(o.iframeFix===true?"iframe":o.iframeFix);return true;},_blockFrames:function(selector){this.iframeBlocks=this.document.find(selector).map(function(){var iframe=$(this);return $("<div>").css("position","absolute").appendTo(iframe.parent()).outerWidth(iframe.outerWidth()).outerHeight(iframe.outerHeight()).offset(iframe.offset())[0];});},_unblockFrames:function(){if(this.iframeBlocks){this.iframeBlocks.remove();delete this.iframeBlocks;}},_blurActiveElement:function(event){var activeElement=$.ui.safeActiveElement(this.document[0]),target=$(event.target);if(target.closest(activeElement).length){return;}
$.ui.safeBlur(activeElement);},_mouseStart:function(event){var o=this.options;this.helper=this._createHelper(event);this._addClass(this.helper,"ui-draggable-dragging");this._cacheHelperProportions();if($.ui.ddmanager){$.ui.ddmanager.current=this;}
this._cacheMargins();this.cssPosition=this.helper.css("position");this.scrollParent=this.helper.scrollParent(true);this.offsetParent=this.helper.offsetParent();this.hasFixedAncestor=this.helper.parents().filter(function(){return $(this).css("position")==="fixed";}).length>0;this.positionAbs=this.element.offset();this._refreshOffsets(event);this.originalPosition=this.position=this._generatePosition(event,false);this.originalPageX=event.pageX;this.originalPageY=event.pageY;if(o.cursorAt){this._adjustOffsetFromHelper(o.cursorAt);}
this._setContainment();if(this._trigger("start",event)===false){this._clear();return false;}
this._cacheHelperProportions();if($.ui.ddmanager&&!o.dropBehaviour){$.ui.ddmanager.prepareOffsets(this,event);}
this._mouseDrag(event,true);if($.ui.ddmanager){$.ui.ddmanager.dragStart(this,event);}
return true;},_refreshOffsets:function(event){this.offset={top:this.positionAbs.top-this.margins.top,left:this.positionAbs.left-this.margins.left,scroll:false,parent:this._getParentOffset(),relative:this._getRelativeOffset()};this.offset.click={left:event.pageX-this.offset.left,top:event.pageY-this.offset.top};},_mouseDrag:function(event,noPropagation){if(this.hasFixedAncestor){this.offset.parent=this._getParentOffset();}
this.position=this._generatePosition(event,true);this.positionAbs=this._convertPositionTo("absolute");if(!noPropagation){var ui=this._uiHash();if(this._trigger("drag",event,ui)===false){this._mouseUp(new $.Event("mouseup",event));return false;}
this.position=ui.position;}
this.helper[0].style.left=this.position.left+"px";this.helper[0].style.top=this.position.top+"px";if($.ui.ddmanager){$.ui.ddmanager.drag(this,event);}
return false;},_mouseStop:function(event){var that=this,dropped=false;if($.ui.ddmanager&&!this.options.dropBehaviour){dropped=$.ui.ddmanager.drop(this,event);}
if(this.dropped){dropped=this.dropped;this.dropped=false;}
if((this.options.revert==="invalid"&&!dropped)||(this.options.revert==="valid"&&dropped)||this.options.revert===true||(typeof this.options.revert==="function"&&this.options.revert.call(this.element,dropped))){$(this.helper).animate(this.originalPosition,parseInt(this.options.revertDuration,10),function(){if(that._trigger("stop",event)!==false){that._clear();}});}else{if(this._trigger("stop",event)!==false){this._clear();}}
return false;},_mouseUp:function(event){this._unblockFrames();if($.ui.ddmanager){$.ui.ddmanager.dragStop(this,event);}
if(this.handleElement.is(event.target)){this.element.trigger("focus");}
return $.ui.mouse.prototype._mouseUp.call(this,event);},cancel:function(){if(this.helper.is(".ui-draggable-dragging")){this._mouseUp(new $.Event("mouseup",{target:this.element[0]}));}else{this._clear();}
return this;},_getHandle:function(event){return this.options.handle?!!$(event.target).closest(this.element.find(this.options.handle)).length:true;},_setHandleClassName:function(){this.handleElement=this.options.handle?this.element.find(this.options.handle):this.element;this._addClass(this.handleElement,"ui-draggable-handle");},_removeHandleClassName:function(){this._removeClass(this.handleElement,"ui-draggable-handle");},_createHelper:function(event){var o=this.options,helperIsFunction=typeof o.helper==="function",helper=helperIsFunction?$(o.helper.apply(this.element[0],[event])):(o.helper==="clone"?this.element.clone().removeAttr("id"):this.element);if(!helper.parents("body").length){helper.appendTo((o.appendTo==="parent"?this.element[0].parentNode:o.appendTo));}
if(helperIsFunction&&helper[0]===this.element[0]){this._setPositionRelative();}
if(helper[0]!==this.element[0]&&!(/(fixed|absolute)/).test(helper.css("position"))){helper.css("position","absolute");}
return helper;},_setPositionRelative:function(){if(!(/^(?:r|a|f)/).test(this.element.css("position"))){this.element[0].style.position="relative";}},_adjustOffsetFromHelper:function(obj){if(typeof obj==="string"){obj=obj.split(" ");}
if(Array.isArray(obj)){obj={left:+obj[0],top:+obj[1]||0};}
if("left"in obj){this.offset.click.left=obj.left+this.margins.left;}
if("right"in obj){this.offset.click.left=this.helperProportions.width-obj.right+this.margins.left;}
if("top"in obj){this.offset.click.top=obj.top+this.margins.top;}
if("bottom"in obj){this.offset.click.top=this.helperProportions.height-obj.bottom+this.margins.top;}},_isRootNode:function(element){return(/(html|body)/i).test(element.tagName)||element===this.document[0];},_getParentOffset:function(){var po=this.offsetParent.offset(),document=this.document[0];if(this.cssPosition==="absolute"&&this.scrollParent[0]!==document&&$.contains(this.scrollParent[0],this.offsetParent[0])){po.left+=this.scrollParent.scrollLeft();po.top+=this.scrollParent.scrollTop();}
if(this._isRootNode(this.offsetParent[0])){po={top:0,left:0};}
return{top:po.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:po.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)};},_getRelativeOffset:function(){if(this.cssPosition!=="relative"){return{top:0,left:0};}
var p=this.element.position(),scrollIsRootNode=this._isRootNode(this.scrollParent[0]);return{top:p.top-(parseInt(this.helper.css("top"),10)||0)+
(!scrollIsRootNode?this.scrollParent.scrollTop():0),left:p.left-(parseInt(this.helper.css("left"),10)||0)+
(!scrollIsRootNode?this.scrollParent.scrollLeft():0)};},_cacheMargins:function(){this.margins={left:(parseInt(this.element.css("marginLeft"),10)||0),top:(parseInt(this.element.css("marginTop"),10)||0),right:(parseInt(this.element.css("marginRight"),10)||0),bottom:(parseInt(this.element.css("marginBottom"),10)||0)};},_cacheHelperProportions:function(){this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()};},_setContainment:function(){var isUserScrollable,c,ce,o=this.options,document=this.document[0];this.relativeContainer=null;if(!o.containment){this.containment=null;return;}
if(o.containment==="window"){this.containment=[$(window).scrollLeft()-this.offset.relative.left-this.offset.parent.left,$(window).scrollTop()-this.offset.relative.top-this.offset.parent.top,$(window).scrollLeft()+$(window).width()-
this.helperProportions.width-this.margins.left,$(window).scrollTop()+
($(window).height()||document.body.parentNode.scrollHeight)-
this.helperProportions.height-this.margins.top];return;}
if(o.containment==="document"){this.containment=[0,0,$(document).width()-this.helperProportions.width-this.margins.left,($(document).height()||document.body.parentNode.scrollHeight)-
this.helperProportions.height-this.margins.top];return;}
if(o.containment.constructor===Array){this.containment=o.containment;return;}
if(o.containment==="parent"){o.containment=this.helper[0].parentNode;}
c=$(o.containment);ce=c[0];if(!ce){return;}
isUserScrollable=/(scroll|auto)/.test(c.css("overflow"));this.containment=[(parseInt(c.css("borderLeftWidth"),10)||0)+
(parseInt(c.css("paddingLeft"),10)||0),(parseInt(c.css("borderTopWidth"),10)||0)+
(parseInt(c.css("paddingTop"),10)||0),(isUserScrollable?Math.max(ce.scrollWidth,ce.offsetWidth):ce.offsetWidth)-
(parseInt(c.css("borderRightWidth"),10)||0)-
(parseInt(c.css("paddingRight"),10)||0)-
this.helperProportions.width-
this.margins.left-
this.margins.right,(isUserScrollable?Math.max(ce.scrollHeight,ce.offsetHeight):ce.offsetHeight)-
(parseInt(c.css("borderBottomWidth"),10)||0)-
(parseInt(c.css("paddingBottom"),10)||0)-
this.helperProportions.height-
this.margins.top-
this.margins.bottom];this.relativeContainer=c;},_convertPositionTo:function(d,pos){if(!pos){pos=this.position;}
var mod=d==="absolute"?1:-1,scrollIsRootNode=this._isRootNode(this.scrollParent[0]);return{top:(pos.top+
this.offset.relative.top*mod+
this.offset.parent.top*mod-
((this.cssPosition==="fixed"?-this.offset.scroll.top:(scrollIsRootNode?0:this.offset.scroll.top))*mod)),left:(pos.left+
this.offset.relative.left*mod+
this.offset.parent.left*mod-
((this.cssPosition==="fixed"?-this.offset.scroll.left:(scrollIsRootNode?0:this.offset.scroll.left))*mod))};},_generatePosition:function(event,constrainPosition){var containment,co,top,left,o=this.options,scrollIsRootNode=this._isRootNode(this.scrollParent[0]),pageX=event.pageX,pageY=event.pageY;if(!scrollIsRootNode||!this.offset.scroll){this.offset.scroll={top:this.scrollParent.scrollTop(),left:this.scrollParent.scrollLeft()};}
if(constrainPosition){if(this.containment){if(this.relativeContainer){co=this.relativeContainer.offset();containment=[this.containment[0]+co.left,this.containment[1]+co.top,this.containment[2]+co.left,this.containment[3]+co.top];}else{containment=this.containment;}
if(event.pageX-this.offset.click.left<containment[0]){pageX=containment[0]+this.offset.click.left;}
if(event.pageY-this.offset.click.top<containment[1]){pageY=containment[1]+this.offset.click.top;}
if(event.pageX-this.offset.click.left>containment[2]){pageX=containment[2]+this.offset.click.left;}
if(event.pageY-this.offset.click.top>containment[3]){pageY=containment[3]+this.offset.click.top;}}
if(o.grid){top=o.grid[1]?this.originalPageY+Math.round((pageY-
this.originalPageY)/ o.grid[1])*o.grid[1]:this.originalPageY;pageY=containment?((top-this.offset.click.top>=containment[1]||top-this.offset.click.top>containment[3])?top:((top-this.offset.click.top>=containment[1])?top-o.grid[1]:top+o.grid[1])):top;left=o.grid[0]?this.originalPageX+
Math.round((pageX-this.originalPageX)/ o.grid[0])*o.grid[0]:this.originalPageX;pageX=containment?((left-this.offset.click.left>=containment[0]||left-this.offset.click.left>containment[2])?left:((left-this.offset.click.left>=containment[0])?left-o.grid[0]:left+o.grid[0])):left;}
if(o.axis==="y"){pageX=this.originalPageX;}
if(o.axis==="x"){pageY=this.originalPageY;}}
return{top:(pageY-
this.offset.click.top-
this.offset.relative.top-
this.offset.parent.top+
(this.cssPosition==="fixed"?-this.offset.scroll.top:(scrollIsRootNode?0:this.offset.scroll.top))),left:(pageX-
this.offset.click.left-
this.offset.relative.left-
this.offset.parent.left+
(this.cssPosition==="fixed"?-this.offset.scroll.left:(scrollIsRootNode?0:this.offset.scroll.left)))};},_clear:function(){this._removeClass(this.helper,"ui-draggable-dragging");if(this.helper[0]!==this.element[0]&&!this.cancelHelperRemoval){this.helper.remove();}
this.helper=null;this.cancelHelperRemoval=false;if(this.destroyOnClear){this.destroy();}},_trigger:function(type,event,ui){ui=ui||this._uiHash();$.ui.plugin.call(this,type,[event,ui,this],true);if(/^(drag|start|stop)/.test(type)){this.positionAbs=this._convertPositionTo("absolute");ui.offset=this.positionAbs;}
return $.Widget.prototype._trigger.call(this,type,event,ui);},plugins:{},_uiHash:function(){return{helper:this.helper,position:this.position,originalPosition:this.originalPosition,offset:this.positionAbs};}});$.ui.plugin.add("draggable","connectToSortable",{start:function(event,ui,draggable){var uiSortable=$.extend({},ui,{item:draggable.element});draggable.sortables=[];$(draggable.options.connectToSortable).each(function(){var sortable=$(this).sortable("instance");if(sortable&&!sortable.options.disabled){draggable.sortables.push(sortable);sortable.refreshPositions();sortable._trigger("activate",event,uiSortable);}});},stop:function(event,ui,draggable){var uiSortable=$.extend({},ui,{item:draggable.element});draggable.cancelHelperRemoval=false;$.each(draggable.sortables,function(){var sortable=this;if(sortable.isOver){sortable.isOver=0;draggable.cancelHelperRemoval=true;sortable.cancelHelperRemoval=false;sortable._storedCSS={position:sortable.placeholder.css("position"),top:sortable.placeholder.css("top"),left:sortable.placeholder.css("left")};sortable._mouseStop(event);sortable.options.helper=sortable.options._helper;}else{sortable.cancelHelperRemoval=true;sortable._trigger("deactivate",event,uiSortable);}});},drag:function(event,ui,draggable){$.each(draggable.sortables,function(){var innermostIntersecting=false,sortable=this;sortable.positionAbs=draggable.positionAbs;sortable.helperProportions=draggable.helperProportions;sortable.offset.click=draggable.offset.click;if(sortable._intersectsWith(sortable.containerCache)){innermostIntersecting=true;$.each(draggable.sortables,function(){this.positionAbs=draggable.positionAbs;this.helperProportions=draggable.helperProportions;this.offset.click=draggable.offset.click;if(this!==sortable&&this._intersectsWith(this.containerCache)&&$.contains(sortable.element[0],this.element[0])){innermostIntersecting=false;}
return innermostIntersecting;});}
if(innermostIntersecting){if(!sortable.isOver){sortable.isOver=1;draggable._parent=ui.helper.parent();sortable.currentItem=ui.helper.appendTo(sortable.element).data("ui-sortable-item",true);sortable.options._helper=sortable.options.helper;sortable.options.helper=function(){return ui.helper[0];};event.target=sortable.currentItem[0];sortable._mouseCapture(event,true);sortable._mouseStart(event,true,true);sortable.offset.click.top=draggable.offset.click.top;sortable.offset.click.left=draggable.offset.click.left;sortable.offset.parent.left-=draggable.offset.parent.left-
sortable.offset.parent.left;sortable.offset.parent.top-=draggable.offset.parent.top-
sortable.offset.parent.top;draggable._trigger("toSortable",event);draggable.dropped=sortable.element;$.each(draggable.sortables,function(){this.refreshPositions();});draggable.currentItem=draggable.element;sortable.fromOutside=draggable;}
if(sortable.currentItem){sortable._mouseDrag(event);ui.position=sortable.position;}}else{if(sortable.isOver){sortable.isOver=0;sortable.cancelHelperRemoval=true;sortable.options._revert=sortable.options.revert;sortable.options.revert=false;sortable._trigger("out",event,sortable._uiHash(sortable));sortable._mouseStop(event,true);sortable.options.revert=sortable.options._revert;sortable.options.helper=sortable.options._helper;if(sortable.placeholder){sortable.placeholder.remove();}
ui.helper.appendTo(draggable._parent);draggable._refreshOffsets(event);ui.position=draggable._generatePosition(event,true);draggable._trigger("fromSortable",event);draggable.dropped=false;$.each(draggable.sortables,function(){this.refreshPositions();});}}});}});$.ui.plugin.add("draggable","cursor",{start:function(event,ui,instance){var t=$("body"),o=instance.options;if(t.css("cursor")){o._cursor=t.css("cursor");}
t.css("cursor",o.cursor);},stop:function(event,ui,instance){var o=instance.options;if(o._cursor){$("body").css("cursor",o._cursor);}}});$.ui.plugin.add("draggable","opacity",{start:function(event,ui,instance){var t=$(ui.helper),o=instance.options;if(t.css("opacity")){o._opacity=t.css("opacity");}
t.css("opacity",o.opacity);},stop:function(event,ui,instance){var o=instance.options;if(o._opacity){$(ui.helper).css("opacity",o._opacity);}}});$.ui.plugin.add("draggable","scroll",{start:function(event,ui,i){if(!i.scrollParentNotHidden){i.scrollParentNotHidden=i.helper.scrollParent(false);}
if(i.scrollParentNotHidden[0]!==i.document[0]&&i.scrollParentNotHidden[0].tagName!=="HTML"){i.overflowOffset=i.scrollParentNotHidden.offset();}},drag:function(event,ui,i){var o=i.options,scrolled=false,scrollParent=i.scrollParentNotHidden[0],document=i.document[0];if(scrollParent!==document&&scrollParent.tagName!=="HTML"){if(!o.axis||o.axis!=="x"){if((i.overflowOffset.top+scrollParent.offsetHeight)-event.pageY<o.scrollSensitivity){scrollParent.scrollTop=scrolled=scrollParent.scrollTop+o.scrollSpeed;}else if(event.pageY-i.overflowOffset.top<o.scrollSensitivity){scrollParent.scrollTop=scrolled=scrollParent.scrollTop-o.scrollSpeed;}}
if(!o.axis||o.axis!=="y"){if((i.overflowOffset.left+scrollParent.offsetWidth)-event.pageX<o.scrollSensitivity){scrollParent.scrollLeft=scrolled=scrollParent.scrollLeft+o.scrollSpeed;}else if(event.pageX-i.overflowOffset.left<o.scrollSensitivity){scrollParent.scrollLeft=scrolled=scrollParent.scrollLeft-o.scrollSpeed;}}}else{if(!o.axis||o.axis!=="x"){if(event.pageY-$(document).scrollTop()<o.scrollSensitivity){scrolled=$(document).scrollTop($(document).scrollTop()-o.scrollSpeed);}else if($(window).height()-(event.pageY-$(document).scrollTop())<o.scrollSensitivity){scrolled=$(document).scrollTop($(document).scrollTop()+o.scrollSpeed);}}
if(!o.axis||o.axis!=="y"){if(event.pageX-$(document).scrollLeft()<o.scrollSensitivity){scrolled=$(document).scrollLeft($(document).scrollLeft()-o.scrollSpeed);}else if($(window).width()-(event.pageX-$(document).scrollLeft())<o.scrollSensitivity){scrolled=$(document).scrollLeft($(document).scrollLeft()+o.scrollSpeed);}}}
if(scrolled!==false&&$.ui.ddmanager&&!o.dropBehaviour){$.ui.ddmanager.prepareOffsets(i,event);}}});$.ui.plugin.add("draggable","snap",{start:function(event,ui,i){var o=i.options;i.snapElements=[];$(o.snap.constructor!==String?(o.snap.items||":data(ui-draggable)"):o.snap).each(function(){var $t=$(this),$o=$t.offset();if(this!==i.element[0]){i.snapElements.push({item:this,width:$t.outerWidth(),height:$t.outerHeight(),top:$o.top,left:$o.left});}});},drag:function(event,ui,inst){var ts,bs,ls,rs,l,r,t,b,i,first,o=inst.options,d=o.snapTolerance,x1=ui.offset.left,x2=x1+inst.helperProportions.width,y1=ui.offset.top,y2=y1+inst.helperProportions.height;for(i=inst.snapElements.length-1;i>=0;i--){l=inst.snapElements[i].left-inst.margins.left;r=l+inst.snapElements[i].width;t=inst.snapElements[i].top-inst.margins.top;b=t+inst.snapElements[i].height;if(x2<l-d||x1>r+d||y2<t-d||y1>b+d||!$.contains(inst.snapElements[i].item.ownerDocument,inst.snapElements[i].item)){if(inst.snapElements[i].snapping){if(inst.options.snap.release){inst.options.snap.release.call(inst.element,event,$.extend(inst._uiHash(),{snapItem:inst.snapElements[i].item}));}}
inst.snapElements[i].snapping=false;continue;}
if(o.snapMode!=="inner"){ts=Math.abs(t-y2)<=d;bs=Math.abs(b-y1)<=d;ls=Math.abs(l-x2)<=d;rs=Math.abs(r-x1)<=d;if(ts){ui.position.top=inst._convertPositionTo("relative",{top:t-inst.helperProportions.height,left:0}).top;}
if(bs){ui.position.top=inst._convertPositionTo("relative",{top:b,left:0}).top;}
if(ls){ui.position.left=inst._convertPositionTo("relative",{top:0,left:l-inst.helperProportions.width}).left;}
if(rs){ui.position.left=inst._convertPositionTo("relative",{top:0,left:r}).left;}}
first=(ts||bs||ls||rs);if(o.snapMode!=="outer"){ts=Math.abs(t-y1)<=d;bs=Math.abs(b-y2)<=d;ls=Math.abs(l-x1)<=d;rs=Math.abs(r-x2)<=d;if(ts){ui.position.top=inst._convertPositionTo("relative",{top:t,left:0}).top;}
if(bs){ui.position.top=inst._convertPositionTo("relative",{top:b-inst.helperProportions.height,left:0}).top;}
if(ls){ui.position.left=inst._convertPositionTo("relative",{top:0,left:l}).left;}
if(rs){ui.position.left=inst._convertPositionTo("relative",{top:0,left:r-inst.helperProportions.width}).left;}}
if(!inst.snapElements[i].snapping&&(ts||bs||ls||rs||first)){if(inst.options.snap.snap){inst.options.snap.snap.call(inst.element,event,$.extend(inst._uiHash(),{snapItem:inst.snapElements[i].item}));}}
inst.snapElements[i].snapping=(ts||bs||ls||rs||first);}}});$.ui.plugin.add("draggable","stack",{start:function(event,ui,instance){var min,o=instance.options,group=$.makeArray($(o.stack)).sort(function(a,b){return(parseInt($(a).css("zIndex"),10)||0)-
(parseInt($(b).css("zIndex"),10)||0);});if(!group.length){return;}
min=parseInt($(group[0]).css("zIndex"),10)||0;$(group).each(function(i){$(this).css("zIndex",min+i);});this.css("zIndex",(min+group.length));}});$.ui.plugin.add("draggable","zIndex",{start:function(event,ui,instance){var t=$(ui.helper),o=instance.options;if(t.css("zIndex")){o._zIndex=t.css("zIndex");}
t.css("zIndex",o.zIndex);},stop:function(event,ui,instance){var o=instance.options;if(o._zIndex){$(ui.helper).css("zIndex",o._zIndex);}}});return $.ui.draggable;});