rem: emptyFunction: function() {} 
add: emptyFunction: function() {}, 
context:   emptyFunction: function() {}
meta: 863	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/863/3f913f897829fb026ef98df2d57f8da94ee5339d/prototype.js/buggy/public/javascripts/prototype.js