browser_version= parseInt(navigator.appVersion);
		browser_type = navigator.appName;
	
		if (navigator.appVersion.indexOf("Mac")== 1){
			if (browser_type == "Netscape") {
				document.write("<link REL='stylesheet' HREF='css/spitex_mac.css' TYPE='text/css'>");
			}else{
				document.write("<link REL='stylesheet' HREF='css/spitex_mac_ie.css' TYPE='text/css'>");
			}
		}
		else if (browser_type == "Netscape" && (browser_version <= 4)) {
			document.write("<link REL='stylesheet' HREF='css/spitex_ns.css' TYPE='text/css'>");
		//alert("ns4");
		}		
		else if (browser_type == "Netscape" && (browser_version == 5)) {
			document.write("<link REL='stylesheet' HREF='css/spitex_ns6.css' TYPE='text/css'>");
		//alert("ns6");
		}
		else {
			document.write("<link REL='stylesheet' HREF='css/spitex.css' TYPE='text/css'>");
			//alert("alle anderen");
		}

		if (browser_version <= 3) {
		if (browser_type=='Netscape'){
			document.write("<BR><DIV align=\"center\"><SPAN CLASS=\"intro2\">Ihr Browser ist veraltet.<BR> Bitte laden Sie sich die neuste Version herunter.<BR><A HREF=http://www.netscape.com TARGET=_new>Netscape</A></SPAN></DIV>");
		}else{
			document.write("<BR><DIV align=\"center\"><SPAN CLASS=\"intro2\">Ihr Browser ist veraltet.<BR> Bitte laden Sie sich die neuste Version herunter.<BR><A HREF=http://www.microsoft.com TARGET=_new>Internet Explorer</A></SPAN></DIV>");
		}
		}