return $(event.target || event.srcElement); 
return event.target || event.srcElement; 
  element: function(event) {    return $(event.target || event.srcElement);  },
4053	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4053/99db091466168b09f46c79ff71f0e07c7fd4a8db/prototype.js/clean/lib/prototype.js