var cssdropdown={
	disappeardelay: 250,
	disablemenuclick: true,
	enableswipe: 1,
	enableiframeshim: 1,
	num: 0,
	dropmenuobj: null, ie: document.all, firefox: document.getElementById&&!document.all, swipetimer: undefined, bottomclip:0,
	getposOffset:function(what, offsettype){
		var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
		var parentEl=what.offsetParent;
		while (parentEl!=null){
			totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
			parentEl=parentEl.offsetParent;
		}
		return totaloffset;
	},
	swipeeffect:function(){
		if (this.bottomclip<parseInt(this.dropmenuobj.offsetHeight)){
			this.bottomclip+=10+(this.bottomclip/10)
			this.dropmenuobj.style.clip="rect(0 auto "+this.bottomclip+"px 0)"
		} else
			return
		this.swipetimer=setTimeout("cssdropdown.swipeeffect()", 10)
	},
	showhide:function(obj, e){
		if (this.ie || this.firefox)
			this.dropmenuobj.style.left=this.dropmenuobj.style.top="-500px"
		if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover"){
			if (this.enableswipe==1){
				if (typeof this.swipetimer!="undefined")
					clearTimeout(this.swipetimer)
				obj.clip="rect(0 auto 0 0)" 
				this.bottomclip=0
				this.swipeeffect()
			}
			obj.visibility="visible"
		} else 
			if (e.type=="click")
				obj.visibility="hidden"
	},
	iecompattest:function(){
		return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
	},
	clearbrowseredge:function(obj, whichedge){
		var edgeoffset=0
		if (whichedge=="rightedge"){
			var windowedge=this.ie && !window.opera? this.iecompattest().scrollLeft+this.iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
			this.dropmenuobj.contentmeasure=this.dropmenuobj.offsetWidth
			if (windowedge-this.dropmenuobj.x < this.dropmenuobj.contentmeasure) 
			edgeoffset=this.dropmenuobj.contentmeasure-obj.offsetWidth
		} else{
			var topedge=this.ie && !window.opera? this.iecompattest().scrollTop : window.pageYOffset
			var windowedge=this.ie && !window.opera? this.iecompattest().scrollTop+this.iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
			this.dropmenuobj.contentmeasure=this.dropmenuobj.offsetHeight
			if (windowedge-this.dropmenuobj.y < this.dropmenuobj.contentmeasure){ 
				edgeoffset=this.dropmenuobj.contentmeasure+obj.offsetHeight
				if ((this.dropmenuobj.y-topedge)<this.dropmenuobj.contentmeasure) 
					edgeoffset=this.dropmenuobj.y+obj.offsetHeight-topedge
			}
		}
		return edgeoffset
	},
	dropit:function(obj, e, dropmenuID){
		if (this.dropmenuobj!=null) 
			this.dropmenuobj.style.visibility="hidden" 
		this.clearhidemenu()
		if (this.ie||this.firefox){
			obj.onmouseout=function(){cssdropdown.delayhidemenu()}
			obj.onclick=function(){return !cssdropdown.disablemenuclick} 
			this.dropmenuobj=document.getElementById(dropmenuID)
			this.dropmenuobj.onmouseover=function(){cssdropdown.clearhidemenu()}
			this.dropmenuobj.onmouseout=function(e){cssdropdown.dynamichide(e)}
			this.dropmenuobj.onclick=function(){cssdropdown.delayhidemenu()}
			this.showhide(this.dropmenuobj.style, e)
			this.dropmenuobj.x=this.getposOffset(obj, "left")
			this.dropmenuobj.y=this.getposOffset(obj, "top")
			this.dropmenuobj.style.left=this.dropmenuobj.x-this.clearbrowseredge(obj, "rightedge")+"px"
			this.dropmenuobj.style.top=this.dropmenuobj.y-this.clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+1+"px"
			this.positionshim() 
		}
	},
	positionshim:function(){
		if (this.enableiframeshim && typeof this.shimobject!="undefined"){
			if (this.dropmenuobj.style.visibility=="visible"){
				this.shimobject.style.width=this.dropmenuobj.offsetWidth+"px"
				this.shimobject.style.height=this.dropmenuobj.offsetHeight+"px"
				this.shimobject.style.left=this.dropmenuobj.style.left
				this.shimobject.style.top=this.dropmenuobj.style.top
			}
			this.shimobject.style.display=(this.dropmenuobj.style.visibility=="visible")? "block" : "none"
		}
	},
	hideshim:function(){
		if (this.enableiframeshim && typeof this.shimobject!="undefined")
			this.shimobject.style.display='none'
	},
	contains_firefox:function(a, b) {
		while (b.parentNode)
			if ((b = b.parentNode) == a)
				return true;
		return false;
	},
	dynamichide:function(e){
		var evtobj=window.event? window.event : e
		if (this.ie&&!this.dropmenuobj.contains(evtobj.toElement))
			this.delayhidemenu()
		else 
		if (this.firefox&&e.currentTarget!= evtobj.relatedTarget&& !this.contains_firefox(evtobj.currentTarget, evtobj.relatedTarget))
			this.delayhidemenu()
	},
	delayhidemenu:function(){
		this.delayhide=setTimeout("cssdropdown.dropmenuobj.style.visibility='hidden'; cssdropdown.hideshim()",this.disappeardelay)
	},
	clearhidemenu:function(){
		if (this.delayhide!="undefined")
			clearTimeout(this.delayhide)
	},
	startchrome:function(){
		for (var ids=0; ids<arguments.length; ids++){
			var menuitems=document.getElementById(arguments[ids]).getElementsByTagName("a")
			for (var i=0; i<menuitems.length; i++){
				if (menuitems[i].getAttribute("rel")){
					var relvalue=menuitems[i].getAttribute("rel")
					menuitems[i].onmouseover=function(e){
						var event=typeof e!="undefined"? e : window.event
						cssdropdown.dropit(this,event,this.getAttribute("rel"))
					}
				}
			}
		}
	},
	weblink:function() {
		if(document.getElementById("chromemenu123")) {
			cssdropdown.startchrome("chromemenu123");
		} else
		if(this.num < 10000) {
			setTimeout('cssdropdown.weblink()', 1000);
			this.num += 1000;
		}
	}
}