var disappeardelay = 250  //menu disappear speed onMouseout (in miliseconds)
var enableanchorlink = 0 //Enable or disable the anchor link when clicked on? (1=e, 0=d)
var hidemenu_onclick = 1 //hide menu when user clicks within menu? (1=yes, 0=no)

/////No further editting needed

var ie5 = document.all
var ns6 = document.getElementById&&!document.all

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){
	if (ie5||ns6)
		dropmenuobj.style.left=dropmenuobj.style.top =- 500;
	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 = ie5 && !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 = ie5 && !window.opera? iecompattest().scrollTop : window.pageYOffset;
		var windowedge = ie5 && !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, dropmenuID){
	if (window.event) event.cancelBubble = true;
	else if (e.stopPropagation) e.stopPropagation();
	if (typeof dropmenuobj!="undefined") //hide previous menu
		dropmenuobj.style.visibility = "hidden";
	clearhidemenu();
	if (ie5||ns6){
		obj.onmouseout = delayhidemenu;
		dropmenuobj = document.getElementById(dropmenuID);
		if (hidemenu_onclick) dropmenuobj.onclick = function(){	dropmenuobj.style.visibility = 'hidden';};
		
		dropmenuobj.onmouseover = clearhidemenu;
		dropmenuobj.onmouseout = ie5 ? function(){ dynamichide(event)} : function(event){ dynamichide(event)};
		showhide(dropmenuobj.style, e, "visible", "hidden");
		dropmenuobj.x = getposOffset(obj, "left");
		dropmenuobj.y = getposOffset(obj, "top");
		dropmenuobj.style.left = dropmenuobj.x - clearbrowseredge(obj, "rightedge") + "px";
		dropmenuobj.style.top = dropmenuobj.y - clearbrowseredge(obj, "bottomedge") + obj.offsetHeight + "px";
	}
	return clickreturnvalue();
}

function clickreturnvalue(){
	if ((ie5||ns6) && !enableanchorlink) 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){
	if (ie5 && !dropmenuobj.contains(e.toElement))
		delayhidemenu();
	else if (ns6 && e.currentTarget != e.relatedTarget && !contains_ns6(e.currentTarget, e.relatedTarget))
		delayhidemenu();
}

function delayhidemenu(){
	delayhide=setTimeout("dropmenuobj.style.visibility='hidden'",disappeardelay);
}

function clearhidemenu(){
	if (typeof delayhide!="undefined")
		clearTimeout(delayhide);
}