rem: var oldHandler = node["on"+evtName] || function(){}; 
add: node["on"+evtName] = function(){ fp.apply(node, arguments); oldHandler.apply(node, arguments); } 
context: 		var oldHandler = node["on"+evtName] || function(){};
meta: 4497	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4497/44536367f321d7b97eafd67c4552cce1e020c9d4/hostenv_browser.js/buggy/_base/_loader/hostenv_browser.js