if(window.Node&&Node.prototype&&!Node.prototype.contains){Node.prototype.contains=function(a){return !!(this.compareDocumentPosition(a)&16)
}
}(function($){$.extend($.expr[":"],{sortable:"(' '+a.className+' ').indexOf(' ui-sortable ')"});
$.fn.sortable=function(o){return this.each(function(){new $.ui.sortable(this,o)
})
};
var methods="destroy,enable,disable,refresh".split(",");
for(var i=0;
i<methods.length;
i++){var cur=methods[i],f;
eval('f = function() { var a = arguments; return this.each(function() { if(jQuery(this).is(".ui-sortable")) jQuery.data(this, "ui-sortable")["'+cur+'"](a); }); }');
$.fn["sortable"+cur.substr(0,1).toUpperCase()+cur.substr(1)]=f
}$.fn.sortableInstance=function(){if($(this[0]).is(".ui-sortable")){return $.data(this[0],"ui-sortable")
}return false
};
$.ui.sortable=function(el,o){this.element=el;
this.set=[];
var options={};
var self=this;
$.data(this.element,"ui-sortable",this);
$(el).addClass("ui-sortable");
$.extend(options,o);
$.extend(options,{items:options.items||"> li",smooth:options.smooth!=undefined?options.smooth:true,helper:"clone",containment:options.containment?(options.containment=="sortable"?el:options.containment):null,zIndex:options.zIndex||1000,_start:function(h,p,c,t,e){self.start.apply(t,[self,e])
},_beforeStop:function(h,p,c,t,e){self.stop.apply(t,[self,e])
},_drag:function(h,p,c,t,e){self.drag.apply(t,[self,e])
},startCondition:function(){return !self.disabled
}});
var items=$(options.items,el);
options.floating=/left|right/.test(items.css("float"));
if($(el).css("position")=="static"){$(el).css("position","relative")
}options.offset=$(el).offset({border:false});
items.each(function(){new $.ui.mouseInteraction(this,options)
});
items.each(function(){self.set.push([this,null])
});
this.options=options
};
$.extend($.ui.sortable.prototype,{plugins:{},currentTarget:null,lastTarget:null,prepareCallbackObj:function(self,that){if(!self.pos){self.pos=[0,0]
}return{helper:self.helper,position:{left:self.pos[0],top:self.pos[1]},offset:self.options.cursorAt,draggable:self,current:that,options:self.options}
},refresh:function(){var self=this;
var items=$(this.options.items,this.element);
var unique=[];
items.each(function(){old=false;
for(var i=0;
i<self.set.length;
i++){if(self.set[i][0]==this){old=true
}}if(!old){unique.push(this)
}});
for(var i=0;
i<unique.length;
i++){new $.ui.mouseInteraction(unique[i],self.options)
}this.set=[];
items.each(function(){self.set.push([this,null])
})
},destroy:function(){$(this.element).removeClass("ui-sortable").removeClass("ui-sortable-disabled");
$(this.options.items,this.element).mouseInteractionDestroy()
},enable:function(){$(this.element).removeClass("ui-sortable-disabled");
this.disabled=false
},disable:function(){$(this.element).addClass("ui-sortable-disabled");
this.disabled=true
},start:function(that,e){var o=this.options;
if(o.hoverClass){that.helper=$('<div class="'+o.hoverClass+'"></div>').appendTo("body").css({height:this.element.offsetHeight+"px",width:this.element.offsetWidth+"px",position:"absolute"})
}if(o.zIndex){if($(this.helper).css("zIndex")){o.ozIndex=$(this.helper).css("zIndex")
}$(this.helper).css("zIndex",o.zIndex)
}that.firstSibling=$(this.element).prev()[0];
$(this.element).triggerHandler("sortstart",[e,that.prepareCallbackObj(this)],o.start);
$(this.element).css("visibility","hidden");
return false
},stop:function(that,e){var o=this.options;
var self=this;
o.beQuietAtEnd=true;
if(o.smooth){var os=$(this.element).offset();
$(this.helper).animate({left:os.left-o.po.left,top:os.top-o.po.top},500,stopIt)
}else{stopIt()
}function stopIt(){$(self.element).css("visibility","visible");
if(that.helper){that.helper.remove()
}if(self.helper!=self.element){$(self.helper).remove()
}if(o.ozIndex){$(self.helper).css("zIndex",o.ozIndex)
}if($(self.element).prev()[0]!=that.firstSibling){$(self.element).triggerHandler("sortupdate",[e,that.prepareCallbackObj(self,that)],o.update)
}$(self.element).triggerHandler("sortstop",[e,that.prepareCallbackObj(self,that)],o.stop)
}return false
},drag:function(that,e){var o=this.options;
this.pos=[this.pos[0]-(o.cursorAt.left?o.cursorAt.left:0),this.pos[1]-(o.cursorAt.top?o.cursorAt.top:0)];
var nv=$(this.element).triggerHandler("sort",[e,that.prepareCallbackObj(this)],o.sort);
var nl=(nv&&nv.left)?nv.left:this.pos[0];
var nt=(nv&&nv.top)?nv.top:this.pos[1];
var m=that.set;
var p=this.pos[1];
for(var i=0;
i<m.length;
i++){var ci=$(m[i][0]);
var cio=m[i][0];
if(this.element.contains(cio)){continue
}var cO=ci.offset();
cO={top:cO.top,left:cO.left};
var mb=function(e){if(true||o.lba!=cio){ci.before(e);
o.lba=cio
}};
var ma=function(e){if(true||o.laa!=cio){ci.after(e);
o.laa=cio
}};
if(o.floating){var overlap=((cO.left-(this.pos[0]+(this.options.po?this.options.po.left:0)))/this.helper.offsetWidth);
if(!(cO.top<this.pos[1]+(this.options.po?this.options.po.top:0)+cio.offsetHeight/2&&cO.top+cio.offsetHeight>this.pos[1]+(this.options.po?this.options.po.top:0)+cio.offsetHeight/2)){continue
}}else{var overlap=((cO.top-(this.pos[1]+(this.options.po?this.options.po.top:0)))/this.helper.offsetHeight);
if(!(cO.left<this.pos[0]+(this.options.po?this.options.po.left:0)+cio.offsetWidth/2&&cO.left+cio.offsetWidth>this.pos[0]+(this.options.po?this.options.po.left:0)+cio.offsetWidth/2)){continue
}}if(overlap>=0&&overlap<=0.5){ci.prev().length?ma(this.element):mb(this.element);
break
}if(overlap<0&&overlap>-0.5){ci.next()[0]==this.element?mb(this.element):ma(this.element);
break
}}if($(this.element).prev()[0]!=that.lastSibling){$(this.element).triggerHandler("sortchange",[e,that.prepareCallbackObj(this,that)],this.options.change);
that.lastSibling=$(this.element).prev()[0]
}if(that.helper){var to=$(this.element).offset();
that.helper.css({top:to.top+"px",left:to.left+"px"})
}$(this.helper).css("left",nl+"px").css("top",nt+"px");
return false
}})
})(jQuery);