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

//Contents for menu 1:About
var menu1=new Array()
	menu1[0]='<a title="Corporate Overview" href="corporate.html">Corporate Overview</a>'
	menu1[1]='<a title="Working with NASCO" href="working_with_nasco.html">Working with NASCO</a>'
	menu1[2]='<a title="Offices" href="offices.html">Offices</a>'
	menu1[3]='<a title="News & Information" href="news.html">News & Information</a>'
	menu1[4]='<a title="Leadership" href="leadership.html">Leadership</a>'
	menu1[5]='<a title="Awards & Recognition" href="awards.html">Awards & Recognition</a>'
	menu1[6]='<a title="Giving Back" href="giving.html">Giving Back</a>'
	menu1[7]='<a title="Hear From Our Clients" href="clients.html">Hear From Our Clients</a>'
	menu1[8]='<h4></h4>'

//Contents for menu 2:Career
var menu2=new Array()
	menu2[0]='<a title="Why Nasco" href="why_nasco.html">Why Nasco</a>'
	menu2[1]='<a title="Who We Hire" href="who_we_hire.html">Who We Hire</a>'
	menu2[2]='<a title="Benefits" href="benefits.html">Benefits</a>'
	menu2[3]='<a title="Diversity" href="diversity.html">Diversity</a>'
	menu2[4]='<h4></h4>'
	
//Contents for menu 3:Subcontractors
var menu3=new Array()
	menu3[0]='<a title="Prequalification" href="prequalification.html">Prequalification</a>'
	menu3[1]='<a title="Subcontracting Opportunities" href="subcontracting_opportunities.html">Subcontracting  Opportunities</a>'
	menu3[2]='<a title="Points of Contact" href="points_of_contact.html">Points of Contact</a>'
	menu3[3]='<h4></h4>'

var menuimage='url(images/layout/about_hover.jpg)' //default menu image
var menuwidth='300px' //default menu width
var menubgcolor='transparent'  //menu bgcolor
var disappeardelay=200  //menu disappear speed onMouseout (in miliseconds)
var hidemenu_onclick="no" //hide menu when user clicks within menu?

/////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:'+menuwidth+';background-color:'+menubgcolor+'" 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="-500px"
	
	if (menuwidth!=""){
		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 < 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 populatemenu(what){
	if (ie4||ns6)
		dropmenuobj.innerHTML=what.join("")
}


function dropdownmenu(obj, e, menucontents, menuwidth, menuimage){
	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")+"px"
		dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px"
		dropmenuobj.prev = obj
		obj.style.backgroundImage=menuimage
	}
	
	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"
			dropmenuobj.prev.style.backgroundImage = ""
	}
}

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

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

if (hidemenu_onclick=="yes")
document.onclick=hidemenu