/***********************************************
* 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
***********************************************/

// Ensure there is a getElementById() function
if(!document.getElementById){
  if(document.all)
  document.getElementById=function(){
    if(typeof document.all[arguments[0]]!="undefined")
    return document.all[arguments[0]]
    else
    return null
  }
  else if(document.layers)
  document.getElementById=function(){
    if(typeof document[arguments[0]]!="undefined")
    return document[arguments[0]]
    else
    return null
  }
}

// Ensure there is a addLoadEvent function
if(!window.addLoadEvent)
{
   function addLoadEvent(func) {
     var oldonload = window.onload;
     if (typeof window.onload != 'function') {
       window.onload = func;
     } else {
       window.onload = function() {
         if (oldonload) {
           oldonload();
         }
         func();
       }
     }
   }      
}


// Add the correct functions to each element
addLoadEvent(function ()  
{

document.getElementById('topmenu1').onmouseover = function() { dropdownmenu(this, window.event, menu1, '220px'); }
document.getElementById('topmenu1').onmouseout =   function() { delayhidemenu(); }
document.getElementById('topmenu2').onmouseover = function() { dropdownmenu(this, window.event, menu2, '170px'); }
document.getElementById('topmenu2').onmouseout =   function() { delayhidemenu(); }
document.getElementById('topmenu3').onmouseover = function() { dropdownmenu(this, window.event, menu3, '160px'); }
document.getElementById('topmenu3').onmouseout =   function() { delayhidemenu(); }
});

//Contents for menu 1
var menu1=new Array()
menu1[0]='<a href="/services/managed-services/" id="dropmenudivnotlast">Managed&nbsp;Services</a>'
menu1[1]='<a href="/services/managed-monitoring/" id="dropmenudivnotlast">Managed&nbsp;Monitoring</a>'
menu1[2]='<a href="/services/project-implementation/" id="dropmenudivnotlast">Project&nbsp;Implementation</a>'
menu1[3]='<a href="/services/managed-colocation/" id="dropmenudivnotlast">Managed&nbsp;Colocation</a>'
menu1[4]='<a href="/services/network-ops/" id="dropmenudivlast">Network&nbsp;Engineering/System&nbsp;Ops</a>'

//Contents for menu 2
var menu2=new Array()
menu2[0]='<a href="/emerging-tech/innovation/" id="dropmenudivnotlast">Innovation</a>'
menu2[1]='<a href="/emerging-tech/headlines/" id="dropmenudivlast">Industry&nbsp;Headlines</a>'
//menu2[2]='<a href="/emerging-tech/articles/" id="dropmenudivlast">Whitepapers&nbsp;and&nbsp;Articles</a>'

//Contents for menu 3
var menu3=new Array()
menu3[0]='<a href="/about/mission/" id="dropmenudivnotlast">Mission&nbsp;and&nbsp;Philosophy</a>'
menu3[1]='<a href="/about/experience/" id="dropmenudivnotlast">Industry&nbsp;Experience</a>'
menu3[2]='<a href="/about/open-source/" id="dropmenudivnotlast">Open&nbsp;Source</a>'
menu3[3]='<a href="/about/partnerships/" id="dropmenudivlast">Partnerships</a>'
		
var menuwidth='300px' //default menu width
var menubgcolor=''  //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

if (ie4||ns6)
document.write('<div id="dropmenudiv" style="margin-top:0px; 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 (obj.visibility==hidden)
   {
      obj.visibility=visible;
   }
   else 
   {
      // 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;
      e = event;
   }
   else 
      if (e)
      {
         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