Faking navigator properties for the JS environment (note: must be injected before page JS runs!)

fakenavigatorprops.js

(function(props){
  for(var name in props)
		navigator.__defineGetter__(name, (function(name){return function(){return props[name]}})(name));
})({
	userAgent: 'Mozilla/5.0 (Mobile; rv:18.1) Gecko/18.1 Firefox/18.1',
	appCodeName: 'Mozilla',
	appName: 'Netscape',
	appVersion: '5.0',
	vendor:'',
	vendorSub:''
});