	function hi(b) {
			b.className = "buttonhigh";
		}
	function low(b) {
			b.className = "buttonlow";
		}
		
		function hib(b) {
			b.className = "backbuttonhigh";
		}
	function lowb(b) {
			b.className = "backbuttonlow";
		}

function fenster(quelle)
{
	bgfarbe = "#ffffff";
	page = "<html>\n<head><title>Berg - Pictures</title>\n <style type=\"text/css\"> a:link { color:#ffffff; }\n a:visited { color:#ffffff; }\n a:active { color:#ffffff; }\n </style></head>\n<body leftmargin=\"0\" marginwidth=\"0\" topmargin=\"0\" marginheight=\"0\" bgcolor="+bgfarbe+">\n<center><a href=\"#\" onClick=\"window.close()\"><img border=\"0\" src="+quelle+" alt=\"schlie&szlig;en\" onload=\"window.resizeTo(this.width + 50, this.height + 50)\"></a>\n</center>\n</body>\n</html>"
	
	if(navigator.appVersion.substring(0,1) == "4" && navigator.appName == "Netscape"){
		b = 800; h = 600;
		newFenster = window.open("", "Berg","toolbar=no,width="+b+",height="+h+", directories=no, dependent=no, status=no, resizable=no, scrollbars=no,menubar=no");
	}
	else
		newFenster = window.open("", "Berg","width=10, height=10, toolbar=no, directories=no, dependent=no, status=no, resizable=no, scrollbars=no,menubar=no");
	
	newFenster.document.open();
	newFenster.document.write(page);
	newFenster.document.close();	
	newFenster.focus();
}
