   function getUrlVars() {
            var vars = {};
            var parts = window.location.href.replace(/[?&]+([^=&]+)=([^&]*)/gi, function (m, key, value) {
                vars[key] = value;
            });
            return vars;
        }

        var screenshotIndex = getUrlVars()["screenshot"];

        $(window).load(function () {
            $('#slider').nivoSlider({
                startSlide: screenshotIndex,
                effect: 'fade',
                animSpeed: 200,
                manua