add: else if ("messages" in this && this.messages) { this.display(getMsg(MSG_NEWNICK_NOTYOU, [e.oldNick, e.user.properNick]), "NICK", e.user, this); }  this.updateHeader(); var tab = getTabForObject(this); if (tab) tab.setAttribute("label", this.properNick); 
context: function my_unick (e){    if (userIsMe(e.user))    {        updateNetwork();        updateTitle();    }    }
meta: 1567	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1567/ec1f57a2df47ea77b6ce245c6e2bd99b25d52195/handlers.js/buggy/xul/content/handlers.js