/***********************************************
* 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="#" onClick="return searching(document.searchpageform.query.value, \'all\');">All Wolfram Sites</a>'
menu1[1]='<div style="border-top: solid 1px #bbbbbb;margin:0;"></div>'
menu1[2]='<a href="#" onClick="return searching(document.searchpageform.query.value, \'products\');">Product Information</a>'
menu1[3]='<div style="border-top: solid 1px #bbbbbb;margin:0;"></div>'
menu1[4]='<a href="#" onClick="return searching(document.searchpageform.query.value, \'support\');">Technical Support FAQs</a>'
menu1[5]='<div style="border-top: solid 1px #bbbbbb;margin:0;"></div>'
menu1[6]='<a href="#" onClick="return searching(document.searchpageform.query.value, \'reference\');">Mathematica Documentation</a>'
menu1[7]='<a href="#" onClick="return searching(document.searchpageform.query.value, \'docs\');">All Wolfram Documentation</a>'
menu1[8]='<div style="border-top: solid 1px #bbbbbb;margin:0;"></div>'
menu1[9]='<a href="#" onClick="return searching(document.searchpageform.query.value, \'mathworld\');">MathWorld</a>'
menu1[10]='<a href="#" onClick="return searching(document.searchpageform.query.value, \'demonstrations\');">Demonstrations Project</a>'
menu1[11]='<div style="border-top: solid 1px #bbbbbb;margin:0;"></div>'
menu1[12]='<a href="#" onClick="return searching(document.searchpageform.query.value, \'tmj\');">Mathematica Journal</a>'
menu1[13]='<a href="#" onClick="return searching(document.searchpageform.query.value, \'library\');">Wolfram Library Archive</a>'
menu1[14]='<a href="#" onClick="return searching(document.searchpageform.query.value, \'mathgroup\');">MathGroup Archive</a>'
menu1[15]='<a href="#" onClick="return searching(document.searchpageform.query.value, \'studentforum\');">Student Support Archive</a>'
menu1[16]='<div style="border-top: solid 1px #bbbbbb;margin:0;"></div>'
menu1[17]='<a href="#" onClick="return searching(document.searchpageform.query.value, \'allwolframscience\');">Wolfram Science</a>'
menu1[18]='<a href="#" onClick="return searching(document.searchpageform.query.value, \'nks\');">NKS Book</a>'
menu1[19]='<a href="#" onClick="return searching(document.searchpageform.query.value, \'nksforum\');">NKS Forum</a>'
menu1[20]='<a href="#" onClick="return searching(document.searchpageform.query.value, \'stephenwolfram\');">StephenWolfram.com</a>'

var menu2=new Array()
menu2[0]='<a href="#" onClick="return searchingoffsite(document.searchpageform.query.value, \'all\');">All Wolfram Sites</a>'
menu2[1]='<div style="border-top: solid 1px #bbbbbb;margin:0;"></div>'
menu2[2]='<a href="#" onClick="return searchingoffsite(document.searchpageform.query.value, \'products\');">Product Information</a>'
menu2[3]='<div style="border-top: solid 1px #bbbbbb;margin:0;"></div>'
menu2[4]='<a href="#" onClick="return searchingoffsite(document.searchpageform.query.value, \'support\');">Technical Support FAQs</a>'
menu2[5]='<div style="border-top: solid 1px #bbbbbb;margin:0;"></div>'
menu2[6]='<a href="#" onClick="return searchingoffsite(document.searchpageform.query.value, \'reference\');">Mathematica Documentation</a>'
menu2[7]='<a href="#" onClick="return searchingoffsite(document.searchpageform.query.value, \'docs\');">All Wolfram Documentation</a>'
menu2[8]='<div style="border-top: solid 1px #bbbbbb;margin:0;"></div>'
menu2[9]='<a href="#" onClick="return searchingoffsite(document.searchpageform.query.value, \'mathworld\');">MathWorld</a>'
menu2[10]='<a href="#" onClick="return searchingoffsite(document.searchpageform.query.value, \'demonstrations\');">Demonstrations Project</a>'
menu2[11]='<div style="border-top: solid 1px #bbbbbb;margin:0;"></div>'
menu2[12]='<a href="#" onClick="return searchingoffsite(document.searchpageform.query.value, \'tmj\');">Mathematica Journal</a>'
menu2[13]='<a href="#" onClick="return searchingoffsite(document.searchpageform.query.value, \'library\');">Wolfram Library Archive</a>'
menu2[14]='<a href="#" onClick="return searchingoffsite(document.searchpageform.query.value, \'mathgroup\');">MathGroup Archive</a>'
menu2[15]='<a href="#" onClick="return searchingoffsite(document.searchpageform.query.value, \'studentforum\');">Student Support Archive</a>'
menu2[16]='<div style="border-top: solid 1px #bbbbbb;margin:0;"></div>'
menu2[17]='<a href="#" onClick="return searchingoffsite(document.searchpageform.query.value, \'allwolframscience\');">Wolfram Science</a>'
menu2[18]='<a href="#" onClick="return searchingoffsite(document.searchpageform.query.value, \'nks\');">NKS Book</a>'
menu2[19]='<a href="#" onClick="return searchingoffsite(document.searchpageform.query.value, \'nksforum\');">NKS Forum</a>'
menu2[20]='<a href="#" onClick="return searchingoffsite(document.searchpageform.query.value, \'stephenwolfram\');">StephenWolfram.com</a>'

var menuwidth='165px' //default menu width
var menubgcolor='white'  //menu bgcolor
var disappeardelay=250  //menu disappear speed onMouseout (in miliseconds)
var hidemenu_onclick="yes" //hide menu when user clicks within menu?

/////No further editting needed

var ie4=document.all
var ns6=document.getElementById&&!document.all
var i=1;
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 dosearch(query) {
var passed = location.search.substring(1);
var col = getParm(passed, 'collection');
if (col == null || col =="")
	col = 'all';
searching(query, col);
return false;
}

function dosearchoffsite(query) {
var passed = location.search.substring(1);
var col = getParm(passed, 'collection');
if (col == null || col =="")
	col = 'all';
searchingoffsite(query, col);
return false;
}

function searchingoffsite(query, collection) {
  if (query == null || query == "")
	window.location = '?collection=' + collection;
  else if (collection == "reference")
	window.location ='http://reference.wolfram.com/search.html?query=' + query + '&collection=reference';
  else
	window.location = 'http://search.wolfram.com/?query=' + query +'&collection=' + collection;
	
  return false;
}

function searching(query, collection) {
  if (query == null || query == "")
	window.location = '?collection=' + collection;
  else
	window.location = '?query=' + query +'&collection=' + collection;
	
  return false;
}

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

function setCollection(collection){
var passed = location.search.substring(1);
var col = getParm(passed, collection);
if (col == null || col == "" || col == "all")
	return 'All Wolfram Sites';
else {
	if(col == 'products')
		return 'Product Information';
	if(col == 'reference')
		return 'Mathematica Documentation';
	if(col == 'docs')
		return 'All Wolfram Documentation';
	if(col == 'mathworld')
		return 'MathWorld';
	if(col == 'demonstrations')
		return 'Demonstrations Project';
	if(col == 'tmj')
		return 'Mathematica Journal';
	if(col == 'library')
		return 'Wolfram Library Archive';
	if(col == 'mathgroup')
		return 'MathGroup Archive';
	if(col == 'studentforum')
		return 'Student Support Archive';
	if(col == 'allwolframscience')
		return 'Wolfram Science';
	if(col == 'nks')
		return 'NKS Book';
	if(col == 'nksforum')	
		return 'NKS Forum';
	if(col == 'stephenwolfram')
		return 'StephenWolfram.com';
	if(/support.*/.test(col))
		return 'Technical Support FAQs';
	return 'All Wolfram Sites';
}
}

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