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

// 7/29/2005 -
//
// Modified to allow multiple layers each with their own CSS definitions, thus allowing multiple menus
// with different look-and-feel for each.
//
// Craig P. McDaniel, Jr. <craig@datafathom.com>
//



// This is no longer used in here.  You must create the div in the HTML somewhere beforehand, and reference
// it when you call dropdownmenu().  See function arguments.
//
//if (ie4||ns6)
//document.write('<div id="dropmenudiv" style="visibility:hidden;width:'+menuwidth+';background-color:'+menubgcolor+'" onMouseover="clearhidemenu()" onMouseout="dynamichide(event)"></div>')
//
//



var ie4=document.all
var ns6=document.getElementById&&!document.all
var dropmenuobj;
var has_been_called = 0;
var last_e;

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("")
}


// You MUST specifiy the id of the div in the last paramater. Not the object, just the name.
//

function dropdownmenu(obj, e, menucontents, menuwidth, dropmenuobject)
{
  if (has_been_called == 1)
    hidemenu(last_e)

   if (window.event)
     event.cancelBubble=true
   else if (e.stopPropagation)
     e.stopPropagation()

   clearhidemenu()
   //dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
   dropmenuobj = document.getElementById(dropmenuobject);
   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"
  }

  has_been_called = 1;
  last_e = e;

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 || hidemenu_onclick=="yes")
//document.onclick=hidemenu