// startdaten
	    var urlpath = location.search;
        if(urlpath != "") {
            var path = urlpath.substring(1,urlpath.length);
			var query = path.split("&");
			var query1 = query[0].split("=");
			var query2 = query[1].split("=");
			var query3 = query[2].split("=");
 		}
		if (query1[1] != ""){
			latstart = parseFloat(query1[1]);
		}
		if (query1[2] != ""){
			lngstart = parseFloat(query2[1]);
		}
		if (query1[3] != ""){
			zoomstart = parseFloat(query3[1]);
		}