function show()
{
    document.getElementById("online_trade_data").style.display = 'block';
    document.getElementById("online_trade_data").style.visibility = 'visible';
    return false;
}
function hide()
{
    document.getElementById("online_trade_data").style.display = 'none';
    document.getElementById("online_trade_data").style.visibility = 'hidden';
    return false;
}

window.onload = window.setTimeout('show()', 5000);