Javascript: if is Mobile detection

gistfile1.txt

isMobile: function() {
	// detect user agent
	var mobile = (/iphone|ipod|android|blackberry|mini|windows\sce|palm/i.test(navigator.userAgent.toLowerCase()));
	var result = false;

	if (mobile) {
		result = true;
		var userAgent = navigator.userAgent.toLowerCase();
		if ((userAgent.search("android") > -1) && (userAgent.search("mobile") > -1))
			result = true; // android mobile
		else if ((userAgent.search("android") > -1) && !(userAgent.search("mobile") > -1))
			result = false; // android tablet
	}
	return result;
}