// Anzeige der Download-Kategorien

var downtabs = new Array("block1", "block2", "block3", "block4", "block5");
var links = new Array("link_1", "link_2", "link_3", "link_4", "link_5");
var i = 0;
var j = 0;
function view(a, b)
	{
		var number1=document.getElementById(a);
		for (i=0; i<downtabs.length; i++)
			{
				number1=document.getElementById(downtabs[i]);
				if (number1) number1.style.display="none";
			}
		number1=document.getElementById(a);
		
		if(number1.style.display=="none")
			{
				number1.style.display="block";
			} 
	}

function view_v2(a) //Version 2
	{	var container = document.getElementById("mainframe");
		for (var i = 0; i < container.getElementsByTagName("div").length; i++)
			{	
				if (container.getElementsByTagName("div")[i].title == "BILDERDIV") 
					{
					  container.getElementsByTagName("div")[i].style.display="none";
					}
			}
	
		number1=document.getElementById(a);
		
		if(number1.style.display=="none")
			{
				number1.style.display="block";
			} 
	}
	


// Anzeige der Menüs

var ausblendtimeout = 150;
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";
	
	document.getElementById(param).style.left = 0;
	if (menuid) document.getElementById(param).style.left = absleft(document.getElementById('link_'+menuid)) - absleft(document.getElementById(param)) + 'px';
}
 
function hide(param) { 
	temp = param;
	delayhide[param] = setTimeout("document.getElementById(temp).style.visibility='hidden'",ausblendtimeout);
}

// fuer absoluter Top-Position von i
function abstop(i) { return (i.offsetParent) ? i.offsetTop+abstop(i.offsetParent) : i.offsetTop; }
// fuer absoluter Left-Position von i
function absleft(i) { return (i.offsetParent) ? i.offsetLeft+absleft(i.offsetParent) : i.offsetLeft; }

function goto(url, frage, target)
{ 
if (frage) 
	   {
		  var answer = confirm (frage);
		  if (answer && !target) {  window.location.href = url;  } 
		  else if (answer && target) { fenster = window.open(url, target);
									   fenster.focus();  } 
	   }
else   {
		  if (!target) window.location.href = url; 
		  else {fenster = window.open(url, 'fenster');
				fenster.focus(); }
	   }
}