var persistmenu="yes" //"yes" or "no". Make sure each SPAN content contains an incrementing ID starting at 1 (id="sub1", id="sub2", etc)
var persisttype="sitewide" //enter "sitewide" for menu to persist across site, "local" for this page only

if (document.getElementById){ 
document.write('<style type="text/css">\n')
document.write('.menusubTitle{display: none;}\n')
document.write('</style>\n')
}

function SwitchMenu(obj,menu){
	if(document.getElementById){
	var oMenuBar = document.getElementById(menu);
	var arMenBar = document.getElementById("masterdiv").getElementsByTagName("div")	
	var el = document.getElementById(obj);
	var ar = document.getElementById("masterdiv").getElementsByTagName("div");
		//for (var i=0; i<arMenBar.length; i++){
		//    if (arMenBar[i].className=="menutitleOpen")
		    //arMenBar[i].className = "menutitle";
		//}
		if(el.style.display != "block"){ 
			for (var i=0; i<ar.length; i++){
				if (ar[i].className=="menusubTitle") 
				ar[i].style.display = "none";				
			    //oMenuBar.className = "menutitle"
			}
			el.style.display = "block";
			//oMenuBar.className = "menutitleOpen"
		}else{
			el.style.display = "none";
			//oMenuBar.className = "menutitle"
		}
	}
}

function get_cookie(Name) { 
var search = Name + "="
var returnvalue = "";
if (document.cookie.length > 0) {
offset = document.cookie.indexOf(search)
if (offset != -1) { 
offset += search.length
end = document.cookie.indexOf(";", offset);
if (end == -1) end = document.cookie.length;
returnvalue=unescape(document.cookie.substring(offset, end))
}
}
return returnvalue;
}

function onloadfunction(){
if (persistmenu=="yes"){
var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname
var cookievalue=get_cookie(cookiename)
if (cookievalue!="")
document.getElementById(cookievalue).style.display="block"
}
}

function savemenustate(){
var inc=1, blockid=""
while (document.getElementById("sub"+inc)){
if (document.getElementById("sub"+inc).style.display=="block"){
blockid="sub"+inc
break
}
inc++
}
var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname
var cookievalue=(persisttype=="sitewide")? blockid+";path=/" : blockid
document.cookie=cookiename+"="+cookievalue
}

if (window.addEventListener)
window.addEventListener("load", onloadfunction, false)
else if (window.attachEvent)
window.attachEvent("onload", onloadfunction)
else if (document.getElementById)
window.onload=onloadfunction

if (persistmenu=="yes" && document.getElementById)
window.onunload=savemenustate



//------------------------------------
//Contents for menu 
var menu1=new Array()
menu1[0]='<a href="../chapter10/chapter10cPeroxisomes.html#xald">Adrenoleukodystrophy</a>'
menu1[1]='<a href="../chapter9/chapter9fALS.html">ALS</a>'
menu1[2]='<a href="../chapter9/chapter9bAD.html">Alzheimer\'s disease</a>'
menu1[3]='<a href="../chapter9/chapter9cFTD.html">Frontotemporal dementia</a>'
menu1[4]='<a href="../chapter11/chapter11eHydrocephalus.html#chiari">Chiari malformations</a>'
menu1[5]='<a href="../chapter5/chapter5ePrions.html">CJD</a>'
menu1[6]='<a href="../chapter13/chapter13eInflammatory.html#dm">Dermatomyositis</a>'
menu1[7]='<a href="../chapter7/chapter7bGliomas.html#gbm">Glioblastoma multiforme</a>'
menu1[8]='<a href="../chapter12/chapter12Neuropathy.html#gbs">Guillain-Barre syndrome</a>'
menu1[9]='<a href="../chapter2/chapter2cCerebralhemorrhage.html">Hemorrhage, cerebral</a>'
menu1[10]='<a href="../chapter5/chapter5dViruses.html#hsv">Herpes simplex encephalitis</a>'
menu1[11]='<a href="../chapter11/chapter11eHydrocephalus.html">Hydrocephalus</a>'
menu1[12]='<a href="../chapter13/chapter13eInflammatory.html#ibm">Inclusion body myositis</a>'
menu1[13]='<a href="../chapter2/chapter2bCerebralinfarcts.html">Infarct, cerebral</a>'
menu1[14]='<a href="../chapter10/chapter10aLSDgeneral.html">Lysosomal storage diseases</a>'
menu1[15]='<a href="../chapter7/chapter7cMedulloblastoma.html">Medulloblastoma</a>'
menu1[16]='<a href="../chapter5/chapter5aSuppurative.html#meningitis">Meningitis</a>'
menu1[17]='<a href="../chapter10/chapter10dMitochondria.html">Mitochondrial diseases</a>'
menu1[18]='<a href="../chapter6/chapter6aMS.html">MS</a>'
menu1[19]='<a href="../chapter13/chapter13cDystrophy.html">Muscular dystrophy</a>'
menu1[20]='<a href="../chapter3/chapter3bAsphyxia.html">Neonatal asphyxia</a>'
menu1[21]='<a href="../chapter11/chapter11bNTD.html">Neural tube defects</a>'
menu1[22]='<a href="../chapter11/chapter11dNMD.html">Neuronal migration defects</a>'
menu1[23]='<a href="../chapter9/chapter9dPD.html">Parkinson\'s disease</a>'
menu1[24]='<a href="../chapter3/chapter3cPvl.html">Periventricular leukomalacia</a>'
menu1[25]='<a href="../chapter13/chapter13eInflammatory.html">Polymyositis</a>'
menu1[26]='<a href="../chapter4/chapter4bContusions_dai_sbs.html#shake">Shaken baby syndrome</a>'


	
var disappeardelay=250  //menu disappear speed onMouseout (in miliseconds)
var horizontaloffset=113 //horizontal offset of menu from default location. (0-5 is a good value)
var verticaloffset=-82
/////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
if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either? (position at top of viewable window then)
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, "topedge")+obj.offsetWidth+verticaloffset+"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)
}

function mailpage()
{
mail_str = "mailto:?subject=Check out the " + document.title;
mail_str += "&body=I thought you might be interested in the " + document.title;
mail_str += ". You can view it at, " + location.href; 
location.href = mail_str;
}

function favit(heading,address){
        if(window.external)window.external.AddFavorite(address,heading);
        else if(window.sidebar)window.sidebar.addPanel(heading,address,"");
       }