function get_GET_params() {
   var GET = new Array();
   if(location.search.length > 0) {
      var get_param_str = location.search.substring(1, location.search.length);
      var get_params = get_param_str.split("&");
      for(i = 0; i < get_params.length; i++) {
         var key_value = get_params[i].split("=");
         if(key_value.length == 2) {
            var key = key_value[0];
            var value = key_value[1];
            GET[key] = value;
         }
      }
   }
   return(GET);
}
 

function change() {
var get_params = get_GET_params();

var anreise = get_params['quicknav_anreise_hr'];
var abreise = get_params['quicknav_abreise_hr'];
if(typeof anreise == "undefined") { var anreise = ""; }
if(typeof abreise == "undefined") { var abreise = ""; }
document.getElementById("uid16_hr").value = anreise;
document.getElementById("uid45_hr").value = abreise;
}