(function($){
	var ua = navigator.userAgent.toLowerCase(), 
		pl = navigator.platform.toLowerCase();

	var Data = {
		"ff" : /firefox/.test(ua),
		"ie" : /msie/.test(ua),
		"chrome" : /chrome/.test(ua),
		"safari" : /apple/.test(navigator.vendor == undefined ? false : navigator.vendor.toLowerCase()),
		"opera" : (window.opera == undefined ? false : window.opera),
		"windows" : /win/.test(pl),
		"mac" : /mac/.test(pl),
		"linux" : /linux/.test(pl)
	};

	$.browser = Data;
})(jQuery);