(function($){

	// Shell for plugin code
	$.extend({
		win: function() {
			if (navigator.appVersion.indexOf("Win")!=-1) return true;
			return false;
		},
		mac: function() {
			if (navigator.appVersion.indexOf("Mac")!=-1) return true;
			return false;
		},
		unix: function() {
			if (navigator.appVersion.indexOf("X11")!=-1) return true;
			return false;
		},
		linux: function() {
			if (navigator.appVersion.indexOf("Linux")!=-1) return true;
			return false;
		}
	});

})(jQuery);