var map = null;
var marker = null;
var geocoder = null;
var XMLHTTP = null;
	if (window.XMLHttpRequest) {
  		XMLHTTP = new XMLHttpRequest();
  	} else if (window.ActiveXObject) {
  	try {
    	XMLHTTP = 
     	 new ActiveXObject("Msxml2.XMLHTTP");
	} catch (ex) {
    try {
      XMLHTTP = 
       new ActiveXObject("Microsoft.XMLHTTP");
	 } catch (ex) {
    }
  }
}
function getImgPre(ziel){
		XMLHTTP.open("GET", ziel);
		XMLHTTP.send(null);
}