function showPic (whichpic) 
{
    if (document.getElementById) 
    {
        document.getElementById('placeholder').src = whichpic.title;
        return false;
    } 
    else 
    {
        return true;
    }
}

function remPic()
{
    document.getElementById('placeholder').src = "/images/Covers/jancover.jpg";
    return false;
}