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: 5663	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5663/d29159eae8749c508d01bb447868321a3ba6bbfa/prototype.js/buggy/manager/media/script/scriptaculous/prototype.js