<!-- // Menu Navigation
var menu1=new Array()
menu1[0]='<a href="\/cebnews\/index.php">News<\/a>'
menu1[1]='<a href="\/cebhome\/staff.php">Staff List<\/a>'
menu1[2]='<a href="\/cebhome\/students\/yearround.php">Students & Fellows<\/a>'
menu1[3]='<a href="http://www.lhncbc.nlm.nih.gov/lhc/servlet/Turbine/template/visitors%2CVisitors.vm">Visitor Information<\/a>'
//menu1[2]='<a href="\/cebhome\/vistor.php">Visitor Information<\/a>'

//var menu2=new Array()
//menu2[0]='<a href="\/proj\/active.php">Active Projects<\/a>'
//menu2[1]='<a href="\/proj\/inactive.php">Inactive Projects<\/a>'

//var menu3=new Array() 

var menu4=new Array()
menu4[0]='<a href="\/relworks\/visitors\/relwork.php">Visitors<\/a>'
menu4[1]='<a href="\/relworks\/staff\/pres.php">Staff<\/a>'

var menu5=new Array()
menu5[0]='<a href="\/pubs\/advsearch\/advsearch.php">Advanced Search<\/a>'
menu5[1]='<a href="\/pubs\/subjarea\/subj.php">Subject Areas<\/a>'
menu5[2]='<a href="\/pubs\/reports\/techreport.php">Technical Reports<\/a>'

var menu6=new Array()
menu6[0]='<a href="\/repos\/nci.php">NCI Uterine Cervix Data<\/a>'
menu6[1]='<a href="\/proj\/dxpnet\/nhanes\/nhanes.php">NHANES<\/a>'
menu6[2]='<a href="http://marg.nlm.nih.gov\/index2.asp">MARG<\/a>'
menu6[3]='<a href="\/repos\/hmd\/hmd.php">History of Medicine<\/a>'

//var menu7=new Array()
	
var menuwidth='140px' //default menu width
var menubgcolor='#e0ecf8;'

var disappeardelay=250  
var hidemenu_onclick="yes" 

/////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) { 
			edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
		if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) 
			edgeoffset=dropmenuobj.y+obj.offsetHeight-topedge
		}
	}
	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")+"px"
		dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"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)
}

if (hidemenu_onclick=="yes")
	document.onclick=hidemenu
//-->