//DD Tab Menu- Script rewritten April 27th, 07: http://www.dynamicdrive.com
//**Updated Feb 23rd, 08): Adds ability for menu to revert back to default selected tab when mouse moves out of menu
//Only 2 configuration variables below:

var ddtabmenu = {
	disabletablinks: false, //Disable hyperlinks in 1st level tabs with sub contents (true or false)?
	snap2original: [true, 300], //Should tab revert back to default selected when mouse moves out of menu? ([true/false, delay_millisec]
	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[tabid+"-dselected"]=-1
		this.addEvent(window, function() { ddtabmenu.init(tabid, dselected)}, "load") },

		showsubmenu:function(tabid, targetitem) {
			var menuitems=this[tabid+"-menuitems"]
			this.clearrevert2default(tabid)

			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";
			
			for(h=0; h<menuitems.length; h++) {
				if($K(targetitem.getAttribute("rel")).id=='capaAbas_conteudo01') $K('capaAbas_Botoes').style.borderBottomColor = "#0463b8";
				if($K(targetitem.getAttribute("rel")).id=='capaAbas_conteudo02') $K('capaAbas_Botoes').style.borderBottomColor = "#68a81a";
				if($K(targetitem.getAttribute("rel")).id=='capaAbas_conteudo03') $K('capaAbas_Botoes').style.borderBottomColor = "#ff5d1c";
			}

			//document.getElementById('capaAbas_Botoes').style.borderBottomColor = "#FF0";
			//alert(document.getElementById(targetitem.getAttribute("rel")).id); //Alert que identifica a div de conteudo
			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)
		},

		isContained:function(m, e) {
			var e=window.event || e
			var c=e.relatedTarget || ((e.type=="click")? e.fromElement : e.toElement)
			while (c && c!=m) try {c=c.parentNode} catch(e){c=m}
			if (c==m)
				return true;
			else
				return false;
		},
/* Fazia voltar a Aba 0 quando clicava dentro do conteudo!
		revert2default:function(outobj, tabid, e) {
			if(!ddtabmenu.isContained(outobj, tabid, e)) {
				window["hidetimer_"+tabid]=setTimeout(function() {
					ddtabmenu.showsubmenu(tabid, ddtabmenu[tabid+"-dselected"])
				}, ddtabmenu.snap2original[1])
			}
		},
*/
		clearrevert2default:function(tabid) {
			if(typeof window["hidetimer_"+tabid]!="undefined")
			clearTimeout(window["hidetimer_"+tabid])
		},

		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 }
						if(ddtabmenu.snap2original[0]==true) {
							var submenu=document.getElementById(menuitems[x].getAttribute("rel"))
							menuitems[x].onclick	=	function(e) {	/*ddtabmenu.revert2default(submenu, tabid, e)*/ 	}
							submenu.onclick			=	function()  { 	/*ddtabmenu.clearrevert2default(tabid)		*/	}
							submenu.onclick			=	function(e) {	/*ddtabmenu.revert2default(this, tabid, e)*/		}
						}
				} else //for items without a submenu, add onMouseout effect
					menuitems[x].onclick=function(e) { 
						this.className=""; 
						if(ddtabmenu.snap2original[0]==true) ddtabmenu.revert2default(this, tabid, e)
					}
					menuitems[x].onclick=function() {
						ddtabmenu.showsubmenu(tabid, this);			
					}

			if(dselected=="auto" && typeof setalready=="undefined" && this.isSelected(menuitems[x].href)) {
				ddtabmenu.showsubmenu(tabid, menuitems[x])
				this[tabid+"-dselected"]=menuitems[x]
				var setalready=true
			} else if(parseInt(dselected)==x) {
				ddtabmenu.showsubmenu(tabid, menuitems[x])
				this[tabid+"-dselected"]=menuitems[x]
			} 
		}
	}
}