function MO(e)
{
    if (e == null)
        e=window.event;
    var S=e.srcElement;
    while (S.tagName!="TD")
    {
        S=S.parentElement;
    }
    S.className="T";
}

function MU(e)
{
    if (e == null)
        e=window.event;
    var S=e.srcElement;
    while (S.tagName!="TD")
    {
        S=S.parentElement;
    }
    S.className="P";
}