rem: var ps = Components.classes[PROMPT_CTRID].createInstance(nsIPromptService); 
add: var ps = Components.classes[PROMPT_CTRID].getService(nsIPromptService); 
context: function alert(msg, parent, title){    var PROMPT_CTRID = "@mozilla.org/embedcomp/prompt-service;1";    var nsIPromptService = Components.interfaces.nsIPromptService;    var ps = Components.classes[PROMPT_CTRID].createInstance(nsIPromptService);    if (!parent)        parent = window;    if (!title)        title = MSG_ALERT;    ps.alert (parent, title, msg);}
meta: 1567	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1567/827a751e827544959c8c9d9bc9c5c780222828d5/utils.js/buggy/js/lib/utils.js