function ShowObj(objID)
{
    var obj = document.getElementById(objID);
    obj.style.display = 'block';
}

function HideObj(objID)
{
    var obj = document.getElementById(objID);
    obj.style.display = 'none';
}

function ToggleObj(objID)
{
    var obj = document.getElementById(objID);
    if (obj.style.display == 'none')
    {
        ShowObj(objID);
    }
    else
    {
        HideObj(objID);
    }
}