function backgroundOnLoad()
{
    setTimeout('showBody()', 100);
}

function showBody()
{
    document.getElementById('body_div').style.visibility = 'visible';
}

function showBodyDelayed()
{
    setTimeout
    (
        function ()
        {
            document.getElementById('body_div').style.visibility = 'visible';
        },
        2500
    );
}