rem: element.addEventListener("unload",command, true); 
add: element.addEventListener("unload", command, true); 
context: function addUnloadListener(element, command) {    if (window.addEventListener)        element.addEventListener("unload",command, true);    else if (window.attachEvent)        element.attachEvent("onunload",command);}
meta: 3428	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3428/409c1704b4cf230ddff8734c8f4835b0c22da435/htmlutils.js/buggy/code/javascript/core/scripts/htmlutils.js