<!-- Begin

//Menu 1 Contents
var menu1=new Array()
menu1[0]='<a href="sitemap.htm">Site Map</a>'

//Menu 2 Contents
var menu2=new Array()
menu2[0]='<a href="about.htm">About</a>'
menu2[1]='<a href="people.htm">People</a>'
menu2[2]='<a href="company.htm">Processes</a>'
menu2[3]='<a href="pol_bir.htm">Tutorial</a>'
menu2[4]='<a href="quality.htm">Quality</a>'
menu2[5]='<a href="vacancies.htm">Jobs at Halbo</a>'

//Menu 3 Contents
var menu3=new Array()
menu3[0]='<a href="new_prod.htm">New Products</a>'
menu3[1]='<a href="custspec.htm">Custom Specials</a>'
menu3[2]='<a href="polarizers.htm">Polarizers</a>'
menu3[3]='<a href="beamdisp.htm">Beam Displacers</a>'
menu3[4]='<a href="uvbeamdisp.htm">UV Beam Displacers</a>'
menu3[5]='<a href="depol.htm">Depolarizers</a>'
menu3[6]='<a href="opt_rot.htm">Fixed Optical Rotators</a>'
menu3[7]='<a href="var_rot.htm">Variable Optical Rotator</a>'
menu3[8]='<a href="fr_rhmb.htm">Fresnel Rhombs</a>'
menu3[9]='<a href="sav_plat.htm">Savart Plates</a>'
menu3[10]='<a href="bab_sol.htm">Compensators</a>'
menu3[11]='<a href="ach_ret.htm">Achromatic Retarders</a>'
menu3[12]='<a href="del_plat.htm">Delay Plates</a>'
menu3[13]='<a href="ar_coat.htm">AR Coating</a>'
menu3[14]='<a href="mounts.htm">Component Mounts</a>'
menu3[15]='<a href="ar_coat.htm">OEM Volume Production</a>'

//Menu 4 Contents
var menu4=new Array()
menu4[0]='<a href="direct_order.htm">Direct Ordering</a>'
menu4[1]='<a href="int_rep.htm">Distributors</a>'
menu4[2]='<a href="uk_price.htm">UK Price List</a>'
menu4[3]='<a href="euro_price.htm">Euro Price List</a>'
menu4[4]='<a href="us_price.htm">US Price List</a>'
menu4[5]='<a href="stock.htm">Current Stock List</a>'

//Menu 5 Contents
var menu5=new Array()
menu5[0]='<a href="contact.htm">Contact Details</a>'
menu5[1]='<a href="location.htm">Location</a>'
menu5[2]='<a href="exhibitions.htm">Exhibitions</a>'

var menuwidth='165px' //Menu default width
var menubgcolor='#e2bbbc'
var disappeardelay=250  //Menu disappear delay
var hidemenu_onclick="yes" //Hide menu on click

////Alter nothing else below!

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=-500
	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

// End -->
