add:  if (n != 'unload') { function clean() { tinyMCE.removeEvent(o, n, h); tinyMCE.removeEvent(window, 'unload', clean); o = n = h = null; }   tinyMCE.addEvent(window, 'unload', clean); }  
context: TinyMCE_Engine.prototype.addEvent = function(o, n, h) {	if (o.attachEvent)		o.attachEvent("on" + n, h);	else		o.addEventListener(n, h, false);};
meta: 2801	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/2801/9ce13e68aa09cd3b906b83e976b8f7138035dee1/TinyMCE_Event.class.js/buggy/jscripts/tiny_mce/classes/TinyMCE_Event.class.js