var cssdropdown={
disappeardelay: 250, //set delay in miliseconds before menu disappears onmouseout
dropdownindicator: '<img src="/common/down.gif" img width= 9px border="0" />', //specify full HTML to add to end of each menu item with a drop down menu
enablereveal: [true, 5], //enable swipe effect? [true/false, steps (Number of animation steps. Integer between 1-20. Smaller=faster)]
enableiframeshim: 1, //enable "iframe shim" in IE5.5 to IE7? (1=yes, 0=no)

//No need to edit beyond here////////////////////////

dropmenuobj: null, asscmenuitem: null, domsupport: document.all || document.getElementById, standardbody: null, iframeshimadded: false, revealtimers: {},

getposOffset:function(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;
},

css:function(el, targetclass, action){
  var needle=new RegExp("(^|\\s+)"+targetclass+"($|\\s+)", "ig")
  if (action=="check")
    return needle.test(el.className)
  else if (action=="remove")
    el.className=el.className.replace(needle, "")
  else if (action=="add" && !needle.test(el.className))
    el.className+=" "+targetclass
},

showmenu:function(dropmenu, e){
  if (this.enablereveal[0]){
    if (!dropmenu._trueheight || dropmenu._trueheight<10)
      dropmenu._trueheight=dropmenu.offsetHeight
    clearTimeout(this.revealtimers[dropmenu.id])
    dropmenu.style.height=dropmenu._curheight=0
    dropmenu.style.overflow="hidden"
    dropmenu.style.visibility="visible"
    this.revealtimers[dropmenu.id]=setInterval(function(){cssdropdown.revealmenu(dropmenu)}, 10)
  }
  else{
    dropmenu.style.visibility="visible"
  }
  this.css(this.asscmenuitem, "selected", "add")
},

revealmenu:function(dropmenu, dir){
  var curH=dropmenu._curheight, maxH=dropmenu._trueheight, steps=this.enablereveal[1]
  if (curH<maxH){
    var newH=Math.min(curH, maxH)
    dropmenu.style.height=newH+"px"
    dropmenu._curheight= newH + Math.round((maxH-newH)/steps) + 1
  }
  else{ //if done revealing menu
    dropmenu.style.height="auto"
    dropmenu.style.overflow="hidden"
    clearInterval(this.revealtimers[dropmenu.id])
  }
},

clearbrowseredge:function(obj, whichedge){
  var edgeoffset=0
  if (whichedge=="rightedge"){
    var windowedge=document.all && !window.opera? this.standardbody.scrollLeft+this.standardbody.clientWidth-15 : window.pageXOffset+window.innerWidth-15
    var dropmenuW=this.dropmenuobj.offsetWidth
    if (windowedge-this.dropmenuobj.x < dropmenuW)  //move menu to the left?
      edgeoffset=dropmenuW-obj.offsetWidth
  }
  else{
    var topedge=document.all && !window.opera? this.standardbody.scrollTop : window.pageYOffset
    var windowedge=document.all && !window.opera? this.standardbody.scrollTop+this.standardbody.clientHeight-15 : window.pageYOffset+window.innerHeight-18
    var dropmenuH=this.dropmenuobj._trueheight
    if (windowedge-this.dropmenuobj.y < dropmenuH){ //move up?
      edgeoffset=dropmenuH+obj.offsetHeight
      if ((this.dropmenuobj.y-topedge)<dropmenuH) //up no good either?
        edgeoffset=this.dropmenuobj.y+obj.offsetHeight-topedge
    }
  }
  return edgeoffset
},

dropit:function(obj, e, dropmenuID){
  if (this.dropmenuobj!=null) //hide previous menu
    this.hidemenu() //hide menu
  this.clearhidemenu()
  this.dropmenuobj=document.getElementById(dropmenuID) //reference drop down menu
  this.asscmenuitem=obj //reference associated menu item
  this.showmenu(this.dropmenuobj, e)
  this.dropmenuobj.x=this.getposOffset(obj, "left")
  this.dropmenuobj.y=this.getposOffset(obj, "top")
  this.dropmenuobj.style.left=this.dropmenuobj.x-this.clearbrowseredge(obj, "rightedge")+"px"
  this.dropmenuobj.style.top=this.dropmenuobj.y-this.clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+1+"px"
  this.positionshim() //call iframe shim function
},

positionshim:function(){ //display iframe shim function
  if (this.iframeshimadded){
    if (this.dropmenuobj.style.visibility=="visible"){
      this.shimobject.style.width=this.dropmenuobj.offsetWidth+"px"
      this.shimobject.style.height=this.dropmenuobj._trueheight+"px"
      this.shimobject.style.left=parseInt(this.dropmenuobj.style.left)+"px"
      this.shimobject.style.top=parseInt(this.dropmenuobj.style.top)+"px"
      this.shimobject.style.display="block"
    }
  }
},

hideshim:function(){
  if (this.iframeshimadded)
    this.shimobject.style.display='none'
},

isContained:function(m, e){
  var e=window.event || e
  var c=e.relatedTarget || ((e.type=="mouseover")? e.fromElement : e.toElement)
  while (c && c!=m)try {c=c.parentNode} catch(e){c=m}
  if (c==m)
    return true
  else
    return false
},

dynamichide:function(m, e){
  if (!this.isContained(m, e)){
    this.delayhidemenu()
  }
},

delayhidemenu:function(){
  this.delayhide=setTimeout("cssdropdown.hidemenu()", this.disappeardelay) //hide menu
},

hidemenu:function(){
  this.css(this.asscmenuitem, "selected", "remove")
  this.dropmenuobj.style.visibility='hidden'
  this.dropmenuobj.style.left=this.dropmenuobj.style.top="-1000px"
  this.hideshim()
},

clearhidemenu:function(){
  if (this.delayhide!="undefined")
    clearTimeout(this.delayhide)
},

addEvent:function(target, functionref, tasktype){
  if (target.addEventListener)
    target.addEventListener(tasktype, functionref, false);
  else if (target.attachEvent)
    target.attachEvent('on'+tasktype, function(){return functionref.call(target, window.event)});
},

startchrome:function(){
  if (!this.domsupport)
    return
  this.standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body
  for (var ids=0; ids<arguments.length; ids++){
    var menuitems=document.getElementById(arguments[ids]).getElementsByTagName("a")
    for (var i=0; i<menuitems.length; i++){
      if (menuitems[i].getAttribute("rel")){
        var relvalue=menuitems[i].getAttribute("rel")
        var asscdropdownmenu=document.getElementById(relvalue)
        this.addEvent(asscdropdownmenu, function(){cssdropdown.clearhidemenu()}, "mouseover")
        this.addEvent(asscdropdownmenu, function(e){cssdropdown.dynamichide(this, e)}, "mouseout")
        this.addEvent(asscdropdownmenu, function(){cssdropdown.delayhidemenu()}, "click")
        try{
          if (menuitems[i].children.length == 0) {
            menuitems[i].innerHTML=menuitems[i].innerHTML+" "+this.dropdownindicator
          }
        }catch(e){}
        this.addEvent(menuitems[i], function(e){ //show drop down menu when main menu items are mouse over-ed
          if (!cssdropdown.isContained(this, e)){
            var evtobj=window.event || e
            cssdropdown.dropit(this, evtobj, this.getAttribute("rel"))
          }
        }, "mouseover")
        this.addEvent(menuitems[i], function(e){cssdropdown.dynamichide(this, e)}, "mouseout") //hide drop down menu when main menu items are mouse out
        this.addEvent(menuitems[i], function(){cssdropdown.delayhidemenu()}, "click") //hide drop down menu when main menu items are clicked on
      }
    } //end inner for
  } //end outer for
  if (this.enableiframeshim && document.all && !window.XDomainRequest && !this.iframeshimadded){ //enable iframe shim in IE5.5 thru IE7?
    document.write('<IFRAME id="iframeshim" src="about:blank" frameBorder="0" scrolling="no" style="left:0; top:0; position:absolute; display:none;z-index:90; background: transparent;"></IFRAME>')
    this.shimobject=document.getElementById("iframeshim") //reference iframe object
    this.shimobject.style.filter='progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)'
    this.iframeshimadded=true
  }
} //end startchrome

}