if (!document.getElementById){
		document.getElementById = function() { return null; }
}

function showDropMenu(menunum){
	document.getElementById('dropmenu'+menunum).style.visibility = 'Visible'
}

function hideDropMenu(menunum){
	document.getElementById('dropmenu'+menunum).style.visibility = 'hidden'
}

/***********************************************
* 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
var menu1=new Array()
menu1[0]='<a href="emanuals.aspx" class="topNavLink">e-Manuals</a>'
menu1[1]='<a href="mainpage.aspx?section=40&article=433" class="topNavLink">Courses</a>'


//Contents for menu 2, and so on
var menu2=new Array()
menu2[0]='<a href="mainpage.aspx?article=444&amp;section=60" class="topNavLink">About</a>'
menu2[1]='<a href="mainpage.aspx?article=424&amp;section=60" class="topNavLink">Faculty</a>'
menu2[2]='<a href="mainpage.aspx?section=69&amp;article=558" class="topNavLink">Learning Portfolio</a>'
menu2[3]='<a href="mainpage.aspx?section=69&amp;article=559" class="topNavLink">Your Lightbox</a>'
menu2[4]='<a href="mainpage.aspx?section=69&amp;article=560" class="topNavLink">Your Slideshows</a>'
menu2[5]='<a href="mainpage.aspx?section=69&amp;article=561" class="topNavLink">Orthoteers Mobile</a>'
menu2[6]='<a href="mainpage.aspx?article=421" class="topNavLink">Disclaimer</a>'
menu2[7]='<a href="contact.aspx" class="topNavLink">Contact Orthoteers</a>'
menu2[8]='<a href="sitemap.aspx" class="topNavLink">Site map</a>'

//Contents for menu 3 - members

var menu3=new Array()



menu3[0]='<a href="loginform.aspx?site=orthoteers&amp;article=&amp;section=&amp;gallery=" class="topNavLink">Member Login</a>'
menu3[1]='<a href="register.aspx" class="topNavLink">Register for Orthoteers</a>'
menu3[2]='<a href="mainpage.aspx?site=orthoteers&amp;article=518&amp;section=69" class="topNavLink">Login Help</a>'
menu3[3]='<a href="mainpage.aspx?site=orthoteers&amp;article=519&amp;section=69" class="topNavLink">Registration Help</a>'


var menu4=new Array()

menu4[0]='<a href="galleryframe.aspx" class="topNavLink">Image Gallery</a>'
menu4[2]='<a href="mainpage.aspx?section=73&article=569" class="topNavLink">Anatomy Atlas</a>'
menu4[1]='<a href="videos.aspx" class="topNavLink">Video Gallery</a>'
menu4[3]='<a href="imagescorecard.aspx" class="topNavLink">Image Scorecard</a>'



var menuwidth='100px' //default menu width
var menubgcolor='#676767'  //menu bgcolor
var disappeardelay=50  //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){
	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