dropdown.util.Dom=function(){var ua=navigator.userAgent.toLowerCase();
var id_counter=0;
return{get:function(el){if(typeof el!='string'&&!(el instanceof Array)){return el;
}if(typeof el=='string'){return document.getElementById(el);
}else{var collection=[];
for(var i=0,len=el.length;
i<len;
++i){collection[collection.length]=this.get(el[i]);
}return collection;
}return null;
},getStyle:function(el,property){var f=function(el,self){var value=null;
var dv=document.defaultView;
if(property=='opacity'&&el.filters){value=1;
try{value=el.filters.item('DXImageTransform.Microsoft.Alpha').opacity/100;
}catch(e){try{value=el.filters.item('alpha').opacity/100;
}catch(e){}}}else if(el.style[property]){value=el.style[property];
}else if(el.currentStyle&&el.currentStyle[property]){value=el.currentStyle[property];
}else if(dv&&dv.getComputedStyle){var converted='';
for(var i=0,len=property.length;
i<len;
++i){if(property.charAt(i)==property.charAt(i).toUpperCase()){converted=converted+'-'+property.charAt(i).toLowerCase();
}else{converted=converted+property.charAt(i);
}}if(dv.getComputedStyle(el,'')&&dv.getComputedStyle(el,'').getPropertyValue(converted)){value=dv.getComputedStyle(el,'').getPropertyValue(converted);
}}return value;
};
return this.batch(el,f,this);
},setStyle:function(el,property,val){var f=function(el,self){switch(property){case'opacity':if(el.filters){el.style.filter='alpha(opacity='+val*100+')';
if(!el.currentStyle.hasLayout){el.style.zoom=1;
}}else{el.style.opacity=val;
el.style['-moz-opacity']=val;
el.style['-khtml-opacity']=val;
}break;
default:el.style[property]=val;
}};
this.batch(el,f,this);
},getXY:function(el){var f=function(el,self){if(el.parentNode===null||self.getStyle(el,'display')=='none'){return false;
}var parent=null;
var pos=[];
var box;
if(el.getBoundingClientRect){box=el.getBoundingClientRect();
Math.max(document.documentElement.scrollTop,document.body.scrollTop);
var scrollTop=Math.max(document.documentElement.scrollTop,document.body.scrollTop);
var scrollLeft=Math.max(document.documentElement.scrollLeft,document.body.scrollLeft);
return[box.left+scrollLeft,box.top+scrollTop];
}else if(document.getBoxObjectFor){box=document.getBoxObjectFor(el);
pos=[box.x,box.y];
}else{pos=[el.offsetLeft,el.offsetTop];
parent=el.offsetParent;
if(parent!=el){while(parent){pos[0]+=parent.offsetLeft;
pos[1]+=parent.offsetTop;
parent=parent.offsetParent;
}}if(ua.indexOf('opera')!=-1||(ua.indexOf('safari')!=-1&&self.getStyle(el,'position')=='absolute')){pos[0]-=document.body.offsetLeft;
pos[1]-=document.body.offsetTop;
}}if(el.parentNode){parent=el.parentNode;
}else{parent=null;
}while(parent&&parent.tagName!='BODY'&&parent.tagName!='HTML'){pos[0]-=parent.scrollLeft;
pos[1]-=parent.scrollTop;
if(parent.parentNode){parent=parent.parentNode;
}else{parent=null;
}}return pos;
};
return this.batch(el,f,this);
},getX:function(el){return this.getXY(el)[0];
},getY:function(el){return this.getXY(el)[1];
},setXY:function(el,pos,noRetry){var f=function(el,self){var style_pos=self.getStyle(el,'position');
if(style_pos=='static'){self.setStyle(el,'position','relative');
style_pos='relative';
}var pageXY=dropdown.util.Dom.getXY(el);
if(pageXY===false){return false;
}var delta=[parseInt(dropdown.util.Dom.getStyle(el,'left'),10),parseInt(dropdown.util.Dom.getStyle(el,'top'),10)];
if(isNaN(delta[0])){delta[0]=(style_pos=='relative')?0:el.offsetLeft;
}if(isNaN(delta[1])){delta[1]=(style_pos=='relative')?0:el.offsetTop;
}if(pos[0]!==null){el.style.left=pos[0]-pageXY[0]+delta[0]+'px';
}if(pos[1]!==null){el.style.top=pos[1]-pageXY[1]+delta[1]+'px';
}var newXY=self.getXY(el);
if(!noRetry&&(newXY[0]!=pos[0]||newXY[1]!=pos[1])){var retry=function(){dropdown.util.Dom.setXY(el,pos,true);
};
setTimeout(retry,0);
}};
this.batch(el,f,this);
},setX:function(el,x){this.setXY(el,[x,null]);
},setY:function(el,y){this.setXY(el,[null,y]);
},getRegion:function(el){var f=function(el,self){return new dropdown.util.Region.getRegion(el);
};
return this.batch(el,f,this);
},getClientWidth:function(){return(document.documentElement.offsetWidth||document.body.offsetWidth);
},getClientHeight:function(){return(self.innerHeight||document.documentElement.clientHeight||document.body.clientHeight);
},getElementsByClassName:function(className,tag,root){var re=new RegExp('(?:^|\\s+)'+className+'(?:\\s+|$)');
var method=function(el){return re.test(el['className']);
};
return this.getElementsBy(method,tag,root);
},hasClass:function(el,className){var f=function(el,self){var re=new RegExp('(?:^|\\s+)'+className+'(?:\\s+|$)');
return re.test(el['className']);
};
return this.batch(el,f,this);
},addClass:function(el,className){var f=function(el,self){if(self.hasClass(el,className)){return;
}el['className']=[el['className'],className].join(' ');
};
this.batch(el,f,this);
},removeClass:function(el,className){var f=function(el,self){if(!self.hasClass(el,className)){return;
}var re=new RegExp('(?:^|\\s+)'+className+'(?:\\s+|$)','g');
var c=el['className'];
el['className']=c.replace(re,' ');
};
this.batch(el,f,this);
},replaceClass:function(el,oldClassName,newClassName){var f=function(el,self){self.removeClass(el,oldClassName);
self.addClass(el,newClassName);
};
this.batch(el,f,this);
},generateId:function(el,prefix){prefix=prefix||'yui-gen';
var f=function(el,self){el=el||{};
if(!el.id){el.id=prefix+id_counter++;
}return el.id;
};
return this.batch(el,f,this);
},isAncestor:function(haystack,needle){haystack=this.get(haystack);
if(!haystack||!needle){return false;
}var f=function(needle,self){if(haystack.contains&&ua.indexOf('safari')<0){return haystack.contains(needle);
}else if(haystack.compareDocumentPosition){return!!(haystack.compareDocumentPosition(needle)&16);
}else{var parent=needle.parentNode;
while(parent){if(parent==haystack){return true;
}else if(parent.tagName=='HTML'){return false;
}parent=parent.parentNode;
}return false;
}};
return this.batch(needle,f,this);
},inDocument:function(el){var f=function(el,self){return self.isAncestor(document.documentElement,el);
};
return this.batch(el,f,this);
},getElementsBy:function(method,tag,root){tag=tag||'*';
root=this.get(root)||document;
var nodes=[];
var elements=root.getElementsByTagName(tag);
for(var i=0,len=elements.length;i<len;++i){if(method(elements[i])){nodes[nodes.length]=elements[i];
}}return nodes;
},batch:function(el,method,o){el=this.get(el);
if(!el||!el.length){return method(el,o);
}var collection=[];
for(var i=0,len=el.length;i<len;++i){collection[collection.length]=method(el[i],o);
}return collection;
}};
}();
dropdown.util.Region=function(t,r,b,l){this.top=t;
this.right=r;
this.bottom=b;
this.left=l;
};
dropdown.util.Region.prototype.contains=function(region){return(region.left>=this.left&&region.right<=this.right&&region.top>=this.top&&region.bottom<=this.bottom);
};
dropdown.util.Region.prototype.getArea=function(){return((this.bottom-this.top)*(this.right-this.left));
};
dropdown.util.Region.prototype.intersect=function(region){var t=Math.max(this.top,region.top);
var r=Math.min(this.right,region.right);
var b=Math.min(this.bottom,region.bottom);
var l=Math.max(this.left,region.left);
if(b>=t&&r>=l){return new dropdown.util.Region(t,r,b,l);
}else{return null;
}};
dropdown.util.Region.prototype.union=function(region){var t=Math.min(this.top,region.top);
var r=Math.max(this.right,region.right);
var b=Math.max(this.bottom,region.bottom);
var l=Math.min(this.left,region.left);
return new dropdown.util.Region(t,r,b,l);
};
dropdown.util.Region.prototype.toString=function(){return("Region {"+"  t: "+this.top+", r: "+this.right+", b: "+this.bottom+", l: "+this.left+"}");
};
dropdown.util.Region.getRegion=function(el){var p=dropdown.util.Dom.getXY(el);
var t=p[1];
var r=p[0]+el.offsetWidth;
var b=p[1]+el.offsetHeight;
var l=p[0];
return new dropdown.util.Region(t,r,b,l);
};
dropdown.util.Point=function(x,y){this.x=x;
this.y=y;
this.top=y;
this.right=x;
this.bottom=y;
this.left=x;
};
dropdown.util.Point.prototype=new dropdown.util.Region();