$(document).ready(function() {
    var pathname = window.location.href;
    if (pathname.indexOf('?scroll=') > 0) {
        var id = pathname.substr(pathname.indexOf('?scroll=') + 8, pathname.length);
        $(window).scrollTo('#' + id, 1000, { axis: 'y' });
    }

    $('a.overlay').live('click', function() {
        $('#mask').css('height', $('body').height());
        $('#mask').css('width', $(window).width());
        $('#mask').show();
        var overlayid = $(this).attr('rel');
        $(overlayid).css('top', ($(window).height() - $(overlayid).height()) / 2 + $(window).scrollTop() + "px");
        $(overlayid).css("left", ($(window).width() - $(overlayid).width()) / 2 + $(window).scrollLeft() + "px");
        $(overlayid).show();
        return false;
    });

    $('#mask').live('click', function() {
        hideOverlays();
    });
    $('.overlay-popup').live('click', function() {
        hideOverlays();
    });

});

function hideOverlays() {
    $('.overlay-popup').hide();
    $('#mask').hide();
}