function popupRequest() {
  var DSN = "3573AB03-33A0-4A4C-BFC9-8B9B23FA5815";
var TYP = "wohn";

  
  if(DSN == false || TYP == false) {
    return false;
  } 
  
  var req = new Request.HTML({
	url:"includes/popup.inc.php?DSN="+DSN+"&typ="+TYP,
	
    onSuccess:function(responseTree, responseElements, responseHTML, responseJavaScript) {
	  Shadowbox.open({
        player   : 'html',
        content  : responseHTML,
        width    : 400,
        height   : 350
      });
    },
	  
    onFailure:function(error) {
      alert("onFailure: "+error);
    }
  }).send();
}