/*var menuwidth='165px' //default menu width
var menubgcolor='lightyellow'  //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="sub_menu" 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("sub_menu") : sub_menu
  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