var cssdropdown={
    disappeardelay: 5350, //set delay in miliseconds before menu disappears onmouseout
    
//No need to edit beyond here////////////////////////
    dropmenuobj: null, ie: document.all, firefox: document.getElementById&&!document.all,
    
    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;
    },
    
    showhide:function(obj, e, visible, hidden){
	if (this.ie || this.firefox)
	    this.dropmenuobj.style.left=this.dropmenuobj.style.top="-500px"
		    if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
			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)  //move menu to the left?
			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){ //move up?
		edgeoffset=this.dropmenuobj.contentmeasure+obj.offsetHeight
			if ((this.dropmenuobj.y-topedge)<this.dropmenuobj.contentmeasure) //up no good either?
			    edgeoffset=this.dropmenuobj.y+obj.offsetHeight-topedge
		    }
		}
	return edgeoffset
    },
    
    dropit:function(obj, e, dropmenuID){
	if (this.dropmenuobj!=null) //hide previous menu
	    this.dropmenuobj.style.visibility="hidden"
			this.clearhidemenu()
			if (this.ie||this.firefox){
				obj.onmouseout=function(){cssdropdown.delayhidemenu()}
				this.dropmenuobj=document.getElementById(dropmenuID)
				this.dropmenuobj.onmouseover=function(){cssdropdown.clearhidemenu()}
				this.dropmenuobj.onmouseout=function(){cssdropdown.dynamichide(e)}
				//this.dropmenuobj.onclick=function(){cssdropdown.delayhidemenu()}
				this.showhide(this.dropmenuobj.style, e, "visible", "hidden")
				//this.dropmenuobj.x=this.getposOffset(obj, "left")
				this.dropmenuobj.x=0
				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"
			}
    },
    
    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'",this.disappeardelay)
    },
    
    clearhidemenu:function(){
	if (this.delayhide!="undefined")
	    clearTimeout(this.delayhide)
    }
}