rem: if (client.userClose) 
add: if ("userClose" in client && client.userClose) 
context: function onClose(){    if (client.userClose)        return true;        client.userClose = true;    client.currentObject.display ("Closing ChatZilla...", "INFO");    if (client.getConnectionCount() == 0)        /* if we're not connected to anything, just close the window */        return true;    /* otherwise, try to close out gracefully */    client.quit (client.userAgent);    return false;}
meta: 3298	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3298/fd5b690ac5196485ce55e7003867ff791f09cb20/handlers.js/clean/xul/content/handlers.js