return event.target || event.srcElement; 
return $(event.target || event.srcElement); 
  element: function(event) {    return event.target || event.srcElement;  },
4999	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4999/d6b4808d8049a47f085af95ebdc565a2742b9f0f/prototype.js/buggy/wp-includes/js/prototype.js