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: 2355	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/2355/9867ca01ad65827d23c0bf6cc14d8a64137e927d/prototype.js/clean/tracks/public/javascripts/prototype.js