<!--
		// browser test:
	agent = navigator.userAgent
	browserVer = 2
	if( agent.indexOf("a/3",6) != -1 )
		{
			browserVer = 1
		}
	else
	{
		if( agent.indexOf("a/4",6) != -1 )
		{
			browserVer = 1
		}
	}
	
	// preload universal images:
	if (browserVer == 1)
	{
		pic1  = new Image();		pic1.src  = "images/menue_it_haus.gif";
		pic1h = new Image();		pic1h.src = "images/menue_it_haus_mo.gif";
		pic2  = new Image();		pic2.src  = "images/menue_it_umgebung.gif";
		pic2h = new Image();		pic2h.src = "images/menue_it_umgebung_mo.gif";
		pic3  = new Image();		pic3.src  = "images/menue_it_preise.gif";
		pic3h = new Image();		pic3h.src = "images/menue_it_preise_mo.gif";
		pic4  = new Image();		pic4.src  = "images/menue_it_kontakt.gif";
		pic4h = new Image();		pic4h.src = "images/menue_it_kontakt_mo.gif";
	}
	
	function ImgFunc( imgDocID, imgObjName )
	{
		if( browserVer == 1 )
		{
			document.images[ imgDocID ].src = eval(imgObjName + ".src")
		}
	}
// -->