var server_root = 'http://www.grafiker.de/';
var req = "";

try {
	if( window.XMLHttpRequest ) {
		req = new XMLHttpRequest();
	} else if( window.ActiveXObject ) {
		req = new ActiveXObject( "Microsoft.XMLHTTP" );
	} else {
		alert( "Ihr Webbrowser unterstuetzt leider kein Ajax!" );
	}
	if( req.overrideMimeType ) {
			req.overrideMimeType( 'text/xml' );
	}
} catch( e ) {
	alert( "Fehler: " + e );
}