rem: .getService(Components.interfaces.nsIChromeRegistry); 
add: .getService(Components.interfaces.nsIXULChromeRegistry); 
context: function applyTheme(themeName){  var chromeRegistry = Components.classes["@mozilla.org/chrome/chrome-registry;1"]                                 .getService(Components.interfaces.nsIChromeRegistry);  chromeRegistry.selectSkin(themeName.getAttribute("name"), true);  chromeRegistry.refreshSkins();}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/e60e07296f5174a783c191ddd9ef10cf0130a8f6/fastnav.js/clean/xpfe/browser/resources/content/fastnav.js