var imageNumber = 1;

    function nextImage()
    {
        imageNumber++;
        if ( imageNumber > 9 )
            imageNumber = 1;
        eval("placeImage('/images/comicStrips/maryH/maryh" + imageNumber + ".gif')");
    }
    function lastImage()
    {
        imageNumber--;
        if ( imageNumber < 1 )
            imageNumber = 9;
        eval("placeImage('/images/comicStrips/maryH/maryh" + imageNumber + ".gif')");
    }
    function startOver()
    {
        imageNumber = 1;
        placeImage('/images/comicStrips/maryH/maryh1.gif');
    }

    function placeImage(imageName)
    {
        eval("document.images[1].src = '"+imageName+"'");
    }