//Chrome Drop Down Menu v2.01- Author: Dynamic Drive (http://www.dynamicdrive.com)
//Last updated: November 14th 06- added iframe shim technique

// Content patch applied 04/Jul/2008 //


var cssdropdown={
disappeardelay: 250, //set delay in miliseconds before menu disappears onmouseout
disablemenuclick: true, //when user clicks on a menu item with a drop down menu, disable menu item's link?
enableswipe: 1, //enable swipe effect? 1 for yes, 0 for no
enableiframeshim: 1, //enable "iframe shim" technique to get drop down menus to correctly appear on top of controls such as form objects in IE5.5/IE6? 1 for yes, 0 for no

submenu_opened: null,

//No need to edit beyond here////////////////////////
dropmenuobj: null, ie: document.all, firefox: document.getElementById&&!document.all, swipetimer: undefined, bottomclip:0,

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;
},


getposOffset_patch: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+10;
		parentEl=parentEl.offsetParent;
	}
	return totaloffset;
},

swipeeffect:function(){
if (this.bottomclip<parseInt(this.dropmenuobj.offsetHeight)){
this.bottomclip+=10+(this.bottomclip/10) //unclip drop down menu visibility gradually
this.dropmenuobj.style.clip="rect(0 auto "+this.bottomclip+"px 0)"
}
else
return
this.swipetimer=setTimeout("cssdropdown.swipeeffect()", 10)
},

swipeeffect_patch:function()
{
	if (this.bottomclip<parseInt(this.dropmenuobj.offsetHeight))
	{
		this.bottomclip+=10+(this.bottomclip/10) //unclip drop down menu visibility gradually
		this.dropmenuobj.style.clip="rect(0 auto "+this.bottomclip+"px 0)"
	}
	else
	return
	this.swipetimer=setTimeout("cssdropdown.swipeeffect_patch()", 10)
},


showhide:function(obj, e)
{
if (this.ie || this.firefox)
this.dropmenuobj.style.left=this.dropmenuobj.style.top="-500px"
if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover"){
if (this.enableswipe==1){
if (typeof this.swipetimer!="undefined")
clearTimeout(this.swipetimer)
obj.clip="rect(0 auto 0 0)" //hide menu via clipping
this.bottomclip=0
this.swipeeffect()
}
obj.visibility="visible"
}
else if (e.type=="click")
obj.visibility="hidden"
},


showhide_patch:function(obj, e)
{
	obj.visibility="visible";
	return;
	
	if (this.ie || this.firefox)
  {
    if (this.sub_dropmenuobj != null)
    {
      this.sub_dropmenuobj.style.left=this.sub_dropmenuobj.style.top="-500px";
    }
  }
	if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
	{
		if (this.enableswipe==1)
		{
			if (typeof this.swipetimer!="undefined")
			clearTimeout(this.swipetimer)
			obj.clip="rect(0 auto 0 0)" //hide menu via clipping
			this.bottomclip=0
			this.swipeeffect_patch()
		}
	
		obj.visibility="visible"
	
	}
	else if (e.type=="click")
	{
		obj.visibility="hidden"
	}
},


iecompattest:function(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
},

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


dropit_patch:function(obj, e, dropmenuID)
{

	if (this.sub_dropmenuobj != null)
	this.sub_dropmenuobj.style.visibility="hidden";
//	this.clearhidemenu()

	if (this.ie||this.firefox)
	{
		
		obj.onmouseout=function()
		{
			if (obj.getAttribute("rel") != submenu_opened)
			{
				document.getElementById(dropmenuID).style.visibility="hidden";
			}
		}
		
		//obj.onclick=function(){return !cssdropdown.disablemenuclick} //disable main menu item link onclick?

		submenu_opened = obj.getAttribute("rel");
		
  		this.sub_dropmenuobj=document.getElementById(dropmenuID)
		if (this.sub_dropmenuobj != null)
		{

  		this.sub_dropmenuobj.onmouseover=function()
  		{
  			cssdropdown.clearhidemenu()
  		}
  		this.sub_dropmenuobj.onmouseout=function(e){cssdropdown.dynamichide(e)}
  		this.sub_dropmenuobj.onclick=function(){cssdropdown.delayhidemenu()}
  		this.showhide_patch (this.sub_dropmenuobj.style, e)
  		this.sub_dropmenuobj.x=this.getposOffset_patch(obj, "left")+130;
  		this.sub_dropmenuobj.y=this.getposOffset_patch(obj, "top") + 110;
  		this.sub_dropmenuobj.style.left=this.sub_dropmenuobj.x-this.clearbrowseredge(obj, "rightedge")+"px"
  		this.sub_dropmenuobj.style.top=this.sub_dropmenuobj.y-this.clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+1+"px"
  		this.positionshim_patch() //call iframe shim function
    }
	}
},

dropit:function(obj, e, dropmenuID)
{

	if (this.sub_dropmenuobj != null)
	this.sub_dropmenuobj.style.visibility="hidden";
	
if (this.dropmenuobj!=null) //hide previous menu
this.dropmenuobj.style.visibility="hidden" //hide menu
this.clearhidemenu()
if (this.ie||this.firefox){
obj.onmouseout=function()
{
	cssdropdown.delayhidemenu()
}
//obj.onclick=function(){return !cssdropdown.disablemenuclick} //disable main menu item link onclick?
this.dropmenuobj=document.getElementById(dropmenuID)
this.dropmenuobj.onmouseover=function(){
	cssdropdown.clearhidemenu()}
this.dropmenuobj.onmouseout=function(e)
{
	cssdropdown.dynamichide(e)
}
this.dropmenuobj.onclick=function(){cssdropdown.delayhidemenu()}
this.showhide(this.dropmenuobj.style, 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.enableiframeshim && typeof this.shimobject!="undefined"){
if (this.dropmenuobj.style.visibility=="visible"){
this.shimobject.style.width=this.dropmenuobj.offsetWidth+"px"
this.shimobject.style.height=this.dropmenuobj.offsetHeight+"px"
this.shimobject.style.left=this.dropmenuobj.style.left
this.shimobject.style.top=this.dropmenuobj.style.top
}
this.shimobject.style.display=(this.dropmenuobj.style.visibility=="visible")? "block" : "none"
}
},

positionshim_patch:function(){ //display iframe shim function
	if (this.enableiframeshim && typeof this.shimobject!="undefined")
	{
		if (this.sub_dropmenuobj.style.visibility=="visible")
		{
			this.shimobject.style.width=this.sub_dropmenuobj.offsetWidth+"px"
			this.shimobject.style.height=this.sub_dropmenuobj.offsetHeight+"px"
			this.shimobject.style.left=this.sub_dropmenuobj.style.left
			this.shimobject.style.top=this.sub_dropmenuobj.style.top
		}
		this.shimobject.style.display=(this.sub_dropmenuobj.style.visibility=="visible")? "block" : "none"
	}
},

hideshim:function(){
if (submenu_opened != null)
{
  if (document.getElementById(submenu_opened) != null)
  {
	 document.getElementById(submenu_opened).style.visibility="hidden";
  }
}	
if (this.enableiframeshim && typeof this.shimobject!="undefined")
this.shimobject.style.display='none'
},

contains_firefox:function(a, b) {
while (b.parentNode)
if ((b = b.parentNode) == a)
return true;
return false;
},

dynamichide:function(e){
var evtobj=window.event? window.event : e
if (this.ie&&!this.dropmenuobj.contains(evtobj.toElement))
this.delayhidemenu()
else if (this.firefox&&e.currentTarget!= evtobj.relatedTarget&& !this.contains_firefox(evtobj.currentTarget, evtobj.relatedTarget))
this.delayhidemenu()
},

delayhidemenu:function(){
this.delayhide=setTimeout("cssdropdown.dropmenuobj.style.visibility='hidden'; cssdropdown.hideshim()",this.disappeardelay) //hide menu
},

delayhidemenu_patch:function(){
this.delayhide=setTimeout("cssdropdown.sub_dropmenuobj.style.visibility='hidden'; cssdropdown.hideshim()",this.disappeardelay) //hide menu
},

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

startchrome:function(){
  submenu_opened = null;
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")
			menuitems[i].onmouseover=function(e){
				var event=typeof e!="undefined"? e : window.event
				cssdropdown.dropit (this, event, this.getAttribute("rel"))
			}

			// Submenu //
			
			var sub_menuitems = document.getElementById(relvalue).getElementsByTagName("a")
			//alert (sub_menuitems.length);
			for (var k=0; k<sub_menuitems.length; k++)
			{
				if (sub_menuitems[k].getAttribute("rel"))
				{
					var sub_relvalue = sub_menuitems[k].getAttribute("rel");
					
					sub_menuitems[k].onmouseover=function(e){
						var event=typeof e!="undefined"? e : window.event
						cssdropdown.dropit_patch (this, event, this.getAttribute("rel"))
					}
					
					// Treat menu //
				}
				else
				{
					sub_menuitems[k].onmouseover=function(e){
						if (submenu_opened != null)
						{
              if (document.getElementById(submenu_opened) != null)
              {
							 document.getElementById(submenu_opened).style.visibility="hidden";
              }
						}
					}
				}

			}
		}
	}
}
if (window.createPopup && !window.XmlHttpRequest){ //if IE5.5 to IE6, create iframe for iframe shim technique
document.write('<IFRAME id="iframeshim"  src="" style="display: none; left: 0; top: 0; z-index: 90; position: absolute; filter: progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)" frameBorder="0" scrolling="no"></IFRAME>')
this.shimobject=document.getElementById("iframeshim") //reference iframe object
}
}

}