/***********************************************
* 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 -- Home
var menu1=new Array()
menu1[0]='<a href="nolink.asp">No Link</a>' 

//Contents for menu 2 -- We Need You (why attend)
var menu2=new Array()
menu2[0]='<a href="whyattend.asp" class="mike">Why We Need Advocates</a>' 
menu2[1]='<a href="advocateprofiles.asp">Advocate Profiles</a>'
//menu2[1]='<a href="icad_awards.asp">Awards</a>'
//menu2[2]='<a href="icad_sponsors.asp">Sponsors</a>'
//menu2[3]='<a href="icad_exhibitor.asp">Exhibitors and Advertisers</a>'
//menu2[4]='<a href="icad_ce.asp">Continuing Education</a>'
//menu2[5]='<a href="icad_08highlights.asp">2008 Highlights</a>'


//Contents for menu 3 -- Program
var menu3=new Array()
menu3[0]='<a href="earlystagesummit.asp">Early-Stage Summit</a>' 



//Contents for menu 4 -- Register
var menu4=new Array()
menu4[0]='<a href="nolink.asp">No Link</a>' 


//Contents for menu 5 -- Travel & Housing
var menu5=new Array()
menu5[0]='<a href="nolink.asp">No Link</a>'
//menu5[1]='<a href="icad_consortium.asp">Alzheimer\'s Imaging Consortium</a>'
//menu5[2]='<a href="icad_ancillary.asp">Ancillary Meetings</a>'
//menu5[3]='<a href="icad_CME.asp">Corporate Symposia CME</a>'
//menu5[4]='<a href="icad_nonCME.asp">Corporate Symposia non-CME</a>'


//Contents for menu 6 -- Virtual Forums
var menu6=new Array()
menu6[0]='<a href="icad_travel.asp">Virtual Visit</a>'
menu6[1]='<a href="icad_housing.asp">Virtual Vigil</a>'
menu6[2]='<a href="icad_visa.asp">Widgets/Social Media</a>'

		
var menuwidth='137' //default menu width
var menubgcolor='#ad2a10'  //menu bgcolor
var disappeardelay=250  //menu disappear speed onMouseout (in miliseconds)
var hidemenu_onclick='yes' //hide menu when user clicks within menu?


/////No further editing 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")-10+"px" 
	/* tabs with dropdown menus are positioned absolutely, so the +44 below is to reposition the dropdown menu items */
	dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+44
	
	}
	
	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