/***********************************************
* 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 products=new Array()
products[0]='<a href="products/system.php">Field Scan System</a>'
products[1]='<a href="products/probes.php">Near-Field Probes</a>'
products[2]='<a href="products/optoelectronics.php">Optoelectronics</a>'
products[3]='<a href="services.php">Measurement Services</a>'
products[4]='<a href="products.php">Products Home</a>'

var about=new Array()
about[0]='<a href="about.php?show=news">News</a>'
about[1]='<a href="about.php?show=press">Press Releases</a>'
about[2]='<a href="about.php?show=jobs">Employment</a>'

var tech=new Array()
tech[0]='<a href="technology.php?show=papers">Technical Papers</a>'

var ms=new Array()
ms[0]='<a href="services.php">Overview</a>'
ms[1]='<a href="services.php?show=hiw">How it Works</a>'
ms[2]='<a href="services.php?show=spec">Specification</a>'
ms[3]='<a href="services.php?show=docs">Documents</a>'

//Contents for menu 2, and so on
var menu2=new Array()
menu2[0]='<a href="http://cnn.com">CNN</a>'
menu2[1]='<a href="http://msnbc.com">MSNBC</a>'
menu2[2]='<a href="http://news.bbc.co.uk">BBC News</a>'
        
var menuwidth='160px' //default menu width
var menubgcolor='red'  //menu bgcolor
var disappeardelay=250  //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=-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 windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
        dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
        if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure)
          edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
    }
    
    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