rem: if (event.preventDefault) { event.preventDefault(); event.stopPropagation(); 
add: if (event.preventDefault) { event.preventDefault(); event.stopPropagation(); 
context:   stop: function(event) {    if (event.preventDefault) {       event.preventDefault();       event.stopPropagation();     } else {      event.returnValue = false;    }  },
meta: 3158	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3158/3f913f897829fb026ef98df2d57f8da94ee5339d/prototype.js/clean/public/javascripts/prototype.js