var disappeardelay=250  //menu disappear speed onMouseout (in miliseconds)
var enableanchorlink=1 //Enable or disable the anchor link when clicked on? (1=e, 0=d)
var hidemenu_onclick=1 //hide menu when user clicks within menu? (1=yes, 0=no)
var ie5=document.all
var ns6=document.getElementById&&!document.all
var blue='#3a6fba';
var trans='transparent';

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(linkobj, obj, e, visible, hidden)
{
  if (ie5||ns6)
    dropmenuobj.style.left=dropmenuobj.style.top=-500

  if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
  {
    linkobj.className="topLevelMenuItemOver"
    obj.visibility=visible
  }
  else if (e.type=="click")
  {
    linkobj.className="topLevelMenuItem"
    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=ie5 && !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=ie5 && !window.opera? iecompattest().scrollTop : window.pageYOffset
    var windowedge=ie5 && !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 dropdownmenu(obj, e, dropmenuID)
{
  if (window.event) 
    event.cancelBubble=true
  else if (e.stopPropagation) 
    e.stopPropagation()

  if (typeof dropmenuobj!="undefined")
  { //hide previous menu & anchor    
    var pLink = document.getElementById(dropmenuobj.id + "Root");
    if(pLink != null)
	    pLink.className="topLevelMenuItem"
    
    dropmenuobj.style.visibility="hidden"
  }

  clearhidemenu()
  
  if (ie5||ns6)
  {
    obj.onmouseout=delayhidemenu
    dropmenuobj=document.getElementById(dropmenuID)

    if (hidemenu_onclick) 
      dropmenuobj.onclick=function(){dropmenuobj.style.visibility='hidden';pLink.className='topLevelMenuItem';}

  dropmenuobj.onmouseover=clearhidemenu
  dropmenuobj.onmouseout=ie5? function(){ dynamichide(event)} : function(event){ dynamichide(event)}
  showhide(obj, dropmenuobj.style, e, "visible", "hidden")
  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 ((ie5||ns6) && !enableanchorlink) 
    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 (ie5&&!dropmenuobj.contains(e.toElement))
  {
     var pLink = document.getElementById(dropmenuobj.id + "Root");

    if(pLink != null)
	    pLink.className='topLevelMenuItem'
    
    delayhidemenu()
  }
  else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
    delayhidemenu()
}

function delayhidemenu()
{
  delayhide=setTimeout("dropmenuobj.style.visibility='hidden';",disappeardelay)
}

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