add:  if (savedmstone == "ignore") return 0; 
context: function needHomepageOverride(prefb) {  var savedmstone = null;  try {    savedmstone = prefb.getCharPref("browser.startup.homepage_override.mstone");  } catch (e) {}  var mstone = Components.classes["@mozilla.org/network/protocol;1?name=http"]                         .getService(nsIHttpProtocolHandler).misc;  if (mstone != savedmstone) {    prefb.setCharPref("browser.startup.homepage_override.mstone", mstone);    // Return 1 if true if the pref didn't exist (i.e. new profile) or 2 for an upgrade    return (savedmstone ? 2 : 1);  }  // Return 0 if not a new profile and not an upgrade  return 0;}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/a563a0acfb67d639f7d4852cd4ad3e38838fc9c3/nsBrowserContentHandler.js/clean/browser/components/nsBrowserContentHandler.js