$(document).ready(function(){
    // position: fixed with left: auto doesn't work right for ie7
    if ($.browser.msie && parseInt($.browser.version,10) < 8) return;
    window.$scrollieAd = $("#metabox + .widget");
    window.$scrollieTop = window.$scrollieAd.offset().top;

    $(window).scroll(function(e){
        var $self = window.$scrollieAd;
        if ($(window).scrollTop() > window.$scrollieTop - 30){
            $self.addClass("fixed");
        } else {
            $self.removeClass("fixed");
        }
    });
});