var maxTop;

$(document).ready(function() {
    if (ShouldScroll) {
        var kruimelHoogte = $('.Kruimel').height();
        var kruimelOffset = $('.Kruimel').offset();

        maxTop = kruimelHoogte + kruimelOffset.top;

        window.onscroll = function() {
            if (window.XMLHttpRequest) {
                setSticky();
            }
        }
        setSticky();
    } else {
        $('#StickyRechts').css("position", "static");
    }
});

function setSticky() {
    if ((document.documentElement.scrollTop > maxTop) || (self.pageYOffset > maxTop)) {
        $('#StickyRechts').css("position", "fixed");
        $('#StickyRechts').css("top", "0");
    } else {
        $('#StickyRechts').css("position", "static");
    }
}