function init()
{
    setupThumbnailSwap('msnd_bk', 'images/midsummer/msnd_bk_1.jpg', 'images/midsummer/msnd_bk_2.jpg');
    setupThumbnailSwap('msnd_fnt', 'images/midsummer/msnd_fnt_1.jpg', 'images/midsummer/msnd_fnt_2.jpg');
    setupThumbnailSwap('msnd_tex', 'images/midsummer/msnd_tex_1.jpg', 'images/midsummer/msnd_tex_2.jpg');
    setupThumbnailSwap('msnd_cover_1', 'images/midsummer/msnd_cover_1.jpg', 'images/midsummer/msnd_cover_2.jpg');
    setupThumbnailSwap('msnd_1', 'images/midsummer/msnd_1_1.jpg', 'images/midsummer/msnd_1_2.jpg');
    setupThumbnailSwap('msnd_2', 'images/midsummer/msnd_2_1.jpg', 'images/midsummer/msnd_2_2.jpg');
    setupThumbnailSwap('msnd_3', 'images/midsummer/msnd_3_1.jpg', 'images/midsummer/msnd_3_2.jpg');
    setupThumbnailSwap('msnd_4', 'images/midsummer/msnd_4_1.jpg', 'images/midsummer/msnd_4_2.jpg');
    setupThumbnailSwap('msnd_5', 'images/midsummer/msnd_5_1.jpg', 'images/midsummer/msnd_5_2.jpg');
    setupThumbnailSwap('ec_1', 'images/extracheese/ec_1_1.jpg', 'images/extracheese/ec_1_2.jpg');

    setupThumbnailSwap('lgo_1', 'images/rococo/lgo_1_1.jpg', 'images/rococo/lgo_1_2.jpg');
    setupThumbnailSwap('lgo_2', 'images/rococo/lgo_2_1.jpg', 'images/rococo/lgo_2_2.jpg');
    setupThumbnailSwap('hol_1', 'images/rococo/hol_1_1.jpg', 'images/rococo/hol_1_2.jpg');
    setupThumbnailSwap('hol_2', 'images/rococo/hol_2_1.jpg', 'images/rococo/hol_2_2.jpg');
    setupThumbnailSwap('gi_1', 'images/rococo/gi_1_1.jpg', 'images/rococo/gi_1_2.jpg');

    setupThumbnailSwap('h_whole_1', 'images/hermes/h_whole_1_1.jpg', 'images/hermes/h_whole_1_2.jpg');

    setupThumbnailSwap('ausmus_1', 'images/ausmus/ausmus_1_1.jpg', 'images/ausmus/ausmus_1_2.jpg');

    setupThumbnailSwap('fhs_1', 'images/fhs/fhs_1_1.jpg', 'images/fhs/fhs_1_2.jpg');
    setupThumbnailSwap('fhs_2', 'images/fhs/fhs_2_1.jpg', 'images/fhs/fhs_2_2.jpg');
    setupThumbnailSwap('fhs_3', 'images/fhs/fhs_3_1.jpg', 'images/fhs/fhs_3_2.jpg');
    setupThumbnailSwap('fhs_4', 'images/fhs/fhs_4_1.jpg', 'images/fhs/fhs_4_2.jpg');
    setupThumbnailSwap('fhs_5', 'images/fhs/fhs_5_1.jpg', 'images/fhs/fhs_5_2.jpg');
    setupThumbnailSwap('fhs_6', 'images/fhs/fhs_6_1.jpg', 'images/fhs/fhs_6_2.jpg');
    setupThumbnailSwap('fhs_7', 'images/fhs/fhs_7_1.jpg', 'images/fhs/fhs_7_2.jpg');

    setupThumbnailSwap('cc_1', 'images/copycats2/cc_1_1.jpg', 'images/copycats2/cc_1_2.jpg');
    setupThumbnailSwap('cc_2', 'images/copycats2/cc_2_1.jpg', 'images/copycats2/cc_2_2.jpg');
    setupThumbnailSwap('cc_4', 'images/copycats2/cc_4_1.jpg', 'images/copycats2/cc_4_2.jpg');

}

function setupThumbnailSwap(imageId, thumbnailSrc, altThumbnailSrc)
{
    if (document.getElementById(imageId) != null)
    {
        document.getElementById(imageId).onmouseover = function ()
        {
            document.getElementById(imageId).src = altThumbnailSrc;
        };
        document.getElementById(imageId).onmouseout = function ()
        {
            document.getElementById(imageId).src = thumbnailSrc;
        };
    }
}

YAHOO.util.Event.onDOMReady(init);