// alle zeichen in kleinbuchstaben umwandeln, um das testen zu vereinfachen
var agt=navigator.userAgent.toLowerCase();

var ie4up=(navigator.appName == "Microsoft Internet Explorer" && ((agt.indexOf("msie 4")!=-1) || (agt.indexOf("msie 5")!=-1) || (agt.indexOf("msie 6")!=-1)))?1:0;
var ie7=(navigator.appName == "Microsoft Internet Explorer" && (agt.indexOf("msie 7")!=-1))?1:0;
var ns6=(navigator.appName == "Netscape" && navigator.appVersion >= 6)?1:0;
var moz=(navigator.appName == "Netscape" && navigator.appVersion >= "5.0" && navigator.appVersion <= "6.0")?1:0;
var ns4=(navigator.appName == "Netscape" && navigator.appVersion <= "5.0")?1:0;
var op=(navigator.appName == "Opera")?1:0;

if(moz||op) {
	document.write("<link rel='stylesheet' href='css/kg_bw_moz.css' type='text/css'>"); }
if(ie7) {
	document.write("<link rel='stylesheet' href='css/kg_bw_ie7.css' type='text/css'>"); }
else {
	document.write("<link rel='stylesheet' href='css/kg_bw_ie.css' type='text/css'>"); }