<!-- Content Skin Onload Images
function NewBodyOnLoad()
 {
  //alert("test preload"); 
  //MM_preloadImages('/Portals/0/Skins/wpb/Assets/NavigationMain/imgManagementSysteme_f2.gif','/Portals/0/Skins/wpb/Assets/NavigationMain/imgManagementSysteme_f3.gif');
  document.OldOnLoad(); 
 }
 document.OldOnLoad = document.body.onload;
 document.body.onload = NewBodyOnLoad;
//-->