function openSizePopUp(url,width,height)
   {
       var posLinks = screen.width/2 - width/2;
       var posOben = screen.height/2 - height/2;
       var popUp = null;
       popUp = window.open(url,'Felix2PopUp','resizable=yes,toolbar=no,status=yes,scrollbars=yes,location=no,menubar=no,directories=no,width=' + width + ',height=' + height + ',top=' + posOben + ',left=' + posLinks);
       popUp.focus();
   }