function toggleDiv(div, iState) // 1 visible, 0 hidden
{
    if(document.layers)
    {
       document.layers[div].visibility = iState ? "show" : "hide";
    }
    else if(document.getElementById)
    {
        var obj = document.getElementById(div);
        obj.style.visibility = iState ? "visible" : "hidden";
        obj.style.display = iState ? "block" : "none";
    }
    else if(document.all)
    {
        document.all[div].style.visibility = iState ? "visible" : "hidden";
    }
}