/***********************************************
* AnyLink Vertical Menu- © Dynamic Drive (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/


var disappeardelay = 250;  //menu disappear speed onMouseout (in miliseconds)
var horizontaloffset = 2; //horizontal offset of menu from default location. (0-5 is a good value)

/////No further editting needed

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

if (ie4||ns6) {
	document.write('<div id="dropmenudiv" style="visibility:hidden; width: 160px; " onMouseover="clearhidemenu()" onMouseout="dynamichide(event)"></div>');
}

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) {
	//if (ie4||ns6) dropmenuobj.style.left=dropmenuobj.style.top=-500;
	dropmenuobj.widthobj=dropmenuobj.style;
	dropmenuobj.widthobj.width=menuwidth;
	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-obj.offsetWidth < 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 menu up?
			edgeoffset=dropmenuobj.contentmeasure-obj.offsetHeight;
			//up no good either? (position at top of viewable window then)
			if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) edgeoffset=dropmenuobj.y;
		}
	}
	return edgeoffset
}

function populatemenu(what) {
	if (ie4 || ns6) dropmenuobj.innerHTML=what.join("");
}


function dropdownmenu(obj, e, menucontents, menuwidth) {
	if (window.event) event.cancelBubble=true;
	else if (e.stopPropagation) e.stopPropagation();
	clearhidemenu();
	dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv;
	populatemenu(menucontents);
	
	if (ie4 || ns6) {
		showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth);
		dropmenuobj.x=getposOffset(obj, "left");
		dropmenuobj.y=getposOffset(obj, "top");
		dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+obj.offsetWidth+horizontaloffset+"px";
		dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+"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) {
	if (ie4&&!dropmenuobj.contains(e.toElement)) delayhidemenu();
	else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget)) delayhidemenu();
}

function hidemenu(e) {
	if (typeof dropmenuobj!="undefined") {
		if (ie4 || ns6) dropmenuobj.style.visibility="hidden";
	}
}

function delayhidemenu(){
	if (ie4 || ns6) delayhide=setTimeout("hidemenu()",disappeardelay);
}

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