rem: return event.srcElement || event.currentTarget; 
add: return event.target || event.srcElement; 
context:   element: function(event) {    return event.srcElement || event.currentTarget;  },
meta: 1227	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1227/481cac9658848a32838a5a3899610f52844ba2f0/prototype.js/clean/actionpack/lib/action_view/helpers/javascripts/prototype.js