// Anzeige des Menüs

var ausblendtimeout = 50;
var delayhide = new Array();
var untermenunamen = new Array();
 
if (document.getElementById) { 
	document.write('<style type="text/css">\n');
	document.write('.untermenu{visibility: hidden;}\n');
	document.write('</style>\n');
}
 
function show(param, menuid) {
	for (var i = 0; i <= untermenunamen.length; i++)
    if (document.getElementById(untermenunamen[i]) ) document.getElementById(untermenunamen[i]).style.visibility='hidden';
    untermenunamen[menuid]=param;
    if (typeof delayhide[param]!="undefined") clearTimeout(delayhide[param]);
    document.getElementById(param).style.visibility="visible";
}
 
function hide(param) { 
	temp = param;
	delayhide[param] = setTimeout("document.getElementById(temp).style.visibility='hidden'",ausblendtimeout);
}

// Anzeige der Download-Kategorien

var downtabs = new Array("info", "einbau", "ref", "pruef", "show");
var boldchoice = new Array("d0", "d1", "d2", "d3", "d4");
var i = 0;
var j = 0;
function view(a,b) {
	var number=document.getElementById(a);
	var bolder=document.getElementById(b);
	for (i=0; i<5; i++) {
		number=document.getElementById(downtabs[i]);
		number.style.visibility="hidden";
	}
	number=document.getElementById(a);
	if(number.style.visibility=="hidden"){
    	number.style.visibility="visible";
    } 
	for (j=0; j<5; j++) {
		bolder=document.getElementById(boldchoice[j]);
		bolder.style.fontWeight="normal";
	}
	bolder=document.getElementById(b);
	if(bolder.style.fontWeight=="normal"){
	
    	bolder.style.fontWeight="bold";
    } 
}