add:   if (url.match(/^(www|http)|\/\s*$/i)) return;  
context: function canonizeUrl(aTriggeringEvent){  if (!gURLBar)    return;    var url = gURLBar.value;  if (aTriggeringEvent && 'ctrlKey' in aTriggeringEvent &&      aTriggeringEvent.ctrlKey && 'shiftKey' in aTriggeringEvent &&      aTriggeringEvent.shiftKey)    // Tack http://www. and .org on.    url = "http://www." + url + ".org/";  else if (aTriggeringEvent && 'ctrlKey' in aTriggeringEvent &&      aTriggeringEvent.ctrlKey)    // Tack www. and .com on.    url = "http://www." + url + ".com/";  else if (aTriggeringEvent && 'shiftKey' in aTriggeringEvent &&      aTriggeringEvent.shiftKey)    // Tack www. and .org on.    url = "http://www." + url + ".net/";  gURLBar.value = getShortcutOrURI(url);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/044196ee0314807271bb5bc6458f69f5fb0f334d/browser.js/clean/browser/base/content/browser.js