function swap(targetid){
 	if (document.getElementById(targetid).style.display == 'none')
 	{
 		document.getElementById(targetid).style.display = 'block';
 	}
 	else
 	{
 		document.getElementById(targetid).style.display = 'none';
 	}
 }
  function switchreadonly(targetid){
 	if (document.getElementById(targetid).readOnly == true)
 	{
 	  document.getElementById(targetid).style.backgroundColor='#ffffff';
 		document.getElementById(targetid).readOnly = false;
 	}
 	else
 	{
 	  document.getElementById(targetid).style.backgroundColor='#efefef';
 		document.getElementById(targetid).readOnly = true;
 	}
 }
 function adresszeileauslesen(typ){
       var strVars = window.location.search;
       strVars = strVars.replace("?","");
       var splitVars = new Array();
       var vars = new Array();
       splitVars = strVars.split("&");
       for(i=0;i<splitVars.length;i++)
       {
        var tmp = splitVars[i].split("=");
        var nname = tmp[0];
        vars[nname] = tmp[1];
       }
       //falls wir die variable "xyz" haben wollen:
       return vars[typ];
 }
 function initialize() {
      if (GBrowserIsCompatible()) {
        map = new GMap2(document.getElementById("map_canvas"));
        map.setCenter(new GLatLng(37.4419, -122.1419), 13);
        geocoder = new GClientGeocoder();
      }
    }
    function showAddress(address) {
      if (geocoder) {
        geocoder.getLatLng(
          address,
          function(point) {
            if (!point) {
              alert(address + " wurde nicht gefunden");
              return false;
            } else {
              //map.setCenter(point, 13);
              //var marker = new GMarker(point);
              //map.addOverlay(marker);
              document.form_pin_aendern.laengengrad.value = point.y.toString();
              document.form_pin_aendern.breitengrad.value = point.x.toString();
              //marker.openInfoWindowHtml(point.y.toString());
              alert("Koordinaten wurden brechnet");
              return true;
            }
          }
        );
      }
    }
function oeffnefenster (url) {
 fenster = window.open(url, "Karte exportieren", "width=600,height=400,status=yes,scrollbars=yes,resizable=yes");
 fenster.focus();
}