//DD Tab Menu- Last updated April 27th, 07: http://www.dynamicdrive.com
//Only 1 configuration variable below
var ddtabmenu=
{
disabletablinks: false,
		 ////Disable hyperlinks in 1st level tabs with sub contents (true or false)?
		 currentpageurl: window.location.href.replace("http://"+window.location.hostname, "").replace(/^\//, ""),
		 //get current page url (minus hostname, ie: http://www.dynamicdrive.com/)
		 definemenu:function(tabid, dselected)
		 {
		     this[tabid+"-menuitems"]=null
			 this.addEvent(window, function()
				 {
				 ddtabmenu.init(tabid, dselected)
				 }
				 , "load")
		 }
		 ,
		     showsubmenu:function(tabid, targetitem)
		     {
			 var menuitems=this[tabid+"-menuitems"]
			     for (i=0; i<menuitems.length; i++)
			     {
				 menuitems[i].className=""
				     if (typeof menuitems[i].hasSubContent!="undefined")
					 document.getElementById(menuitems[i].getAttribute("rel")).style.display="none"
			     }
			 targetitem.className="current"
			     if (typeof targetitem.hasSubContent!="undefined")
				 document.getElementById(targetitem.getAttribute("rel")).style.display="block"
		     }
		 ,
		     isSelected:function(menuurl)
		     {
			 var menuurl=menuurl.replace("http://"+menuurl.hostname, "").replace(/^\//, "")
			     return (ddtabmenu.currentpageurl==menuurl)
		     }
		 ,
		     addEvent:function(target, functionref, tasktype)
		     {
			 //assign a function to execute to an event handler (ie: onunload)
			 var tasktype=(window.addEventListener)? tasktype : "on"+tasktype
			     if (target.addEventListener)
				 target.addEventListener(tasktype, functionref, false)
			     else if (target.attachEvent)
				 target.attachEvent(tasktype, functionref)
		     }
		 ,
		     init:function(tabid, dselected)
		     {
			 var menuitems=document.getElementById(tabid).getElementsByTagName("a")
			     this[tabid+"-menuitems"]=menuitems
			     for (var x=0; x<menuitems.length; x++)
			     {
				 if (menuitems[x].getAttribute("rel"))
				 {
				     this[tabid+"-menuitems"][x].hasSubContent=true
					 if (ddtabmenu.disabletablinks)
					     menuitems[x].onclick=function()
					     {
						 return false
					     }
				 }
				 else //for items without a submenu, add onMouseout effect
				     menuitems[x].onmouseout=function()
				     {
					 this.className=""
				     }
				 menuitems[x].onmouseover=function()
				 {
				     ddtabmenu.showsubmenu(tabid, this)
				 }
				 if (dselected=="auto" && typeof setalready=="undefined" && this.isSelected(menuitems[x].href))
				 {
				     ddtabmenu.showsubmenu(tabid, menuitems[x])
					 var setalready=true
				 }
				 else if (parseInt(dselected)==x)
				     ddtabmenu.showsubmenu(tabid, menuitems[x])
			     }
		     }
}