// joep | 18.52 | 28-11-2007 
// SubMenu JavaScript optimized for NN4,NN6,Opera and the most used browsers
// Fully tested and working on Firefox / Internet Explorer 6 SP1

var delay_hide = 500

var prev

var menuobj = document.getElementById ? document.getElementById("describe") : document.all ? document.all.describe : document.layers ? document.describe : ""

function showit(subname){
 
clear_delayhide()

if (!prev)
    prev=subname;

if (document.all) { //This works on most known browsers
			  document.all[prev].style.display="none"
				if (subname != '-1') {
				    document.all[subname].style.display="inline"
				    prev = subname
				  }
  }
else if (document.layers){ //This is for NN4
				 document.layers[prev].display="none"
				 if (subname != '-1') {
				     document.layers[subname].display="inline"
				     prev = subname
				  }
	}
else if (document.getElementById) { //And this for NN6 ed Opera
								document.getElementById(prev).style.display="none"			
								if (subname != '-1') {
								    document.getElementById(subname).style.display="inline"
								    prev = subname
								 }
 	}		 
}

function resetit(e){
if (document.all && !menuobj.contains(e.toElement))
		delayhide=setTimeout("showit('-1')",delay_hide)
else if (document.getElementById && e.currentTarget != e.relatedTarget)
				delayhide=setTimeout("showit('-1')",delay_hide)
}

function clear_delayhide(){
if (window.delayhide)
clearTimeout(delayhide)	
}