var menuwidth='120px' //default menu width
var menubgcolor='#FFFFFF'  //menu bgcolor
var disappeardelay=300  //menu disappear speed onMouseout (in miliseconds)
var hidemenu_onclick="no" //hide menu when user clicks within menu?

var ie4=document.all
var ns6=document.getElementById&&!document.all

var _global=this;

function getposOffset(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;
}


function showhide(obj, e, visible, hidden, menuwidth,menuheight, custom_bgcolor){
	if (ie4||ns6)
		dropmenuobj.style.left=dropmenuobj.style.top="-500px"
	if (menuwidth!=""){
		dropmenuobj.widthobj=dropmenuobj.style
		dropmenuobj.widthobj.width=menuwidth
	}
	if (menuheight!=""){
		dropmenuobj.widthobj=dropmenuobj.style
		dropmenuobj.widthobj.height=menuheight
	}
	if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
		obj.visibility=visible
	else if (e.type=="click")
		obj.visibility=hidden
}

function iecompattest(){
	return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function clearbrowseredge(obj, whichedge){
	var edgeoffset=0
	if (whichedge=="rightedge"){
		var windowedge=ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
		dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
		if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
			edgeoffset=dropmenuobj.contentmeasure-obj.offsetWidth
	}
	else{
		var topedge=ie4 && !window.opera? iecompattest().scrollTop : window.pageYOffset
		var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
		dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
		if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure){ //move up?
			edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
			if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either?
				edgeoffset=dropmenuobj.y+obj.offsetHeight-topedge
		}
	}
	return edgeoffset;
}

function dropdownmenu(obj, e, menucontents, menuwidth,menuheight,custom_bgcolor,adj_left,adj_top){
	if (window.event)
		event.cancelBubble=true
	else
		if (e.stopPropagation) e.stopPropagation();
			if (typeof _global['delayhide'+menucontents]!="undefined"){
				clearhidemenu(eval('delayhide'+menucontents));
			}
		dropmenuobj=document.getElementById? document.getElementById(menucontents) : menucontents

	if (ie4||ns6){
		showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth,menuheight,custom_bgcolor)
		dropmenuobj.x=getposOffset(obj, "left")
		dropmenuobj.y=getposOffset(obj, "top")
		dropmenuobj.style.left=adj_left+"px"
		dropmenuobj.style.top=adj_top+"px"
	}
	return clickreturnvalue()
}

function clickreturnvalue(){
	if (ie4||ns6)
		return false
	else
		return true
}

function contains_ns6(a, b) {
	while (b.parentNode)
		if ((b = b.parentNode) == a)
			return true;
	return false;
}

function dynamichide(e,my_div){
	if (ie4&&!dropmenuobj.contains(e.toElement))
		delayhidemenu('','',my_div)
	else
		if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
			delayhidemenu('','',my_div)
}

function hidemenu(my_div){
if (typeof document.getElementById(my_div)!="undefined"){
		if (ie4||ns6){
			document.getElementById(my_div).style.visibility="hidden"
		}
			
	}
}

function delayhidemenu(what,with_what,my_div){
	if (ie4||ns6){
		if (what!='' && with_what!==''){
			_global['delayhide'+my_div]=setTimeout("hidemenu('"+my_div+"');changeImages('"+what+"','"+with_what+"');",disappeardelay);
		}
		else{
			_global['delayhide'+my_div]=setTimeout("hidemenu('"+my_div+"');",disappeardelay);		  
		}
	}
}

function clearhidemenu(my_div){
	if (typeof _global['delayhide'+my_div]!="undefined"){
		clearTimeout(_global['delayhide'+my_div])
	}
}