function ShowElement(that)
{
    if (document.getElementById)
        document.getElementById(that).style.display = "block";
    return;
}
function HideElement(that)
{
    if (document.getElementById)
        document.getElementById(that).style.display = "none";
    return;
}

function RadioActivate(that)
{
    if (!document.getElementById)
		return;

    siblings = that.parentNode.childNodes;
    index = 0;

    while (siblings[index])
    {
		if (siblings[index].className=="menuItemSelected")
			siblings[index].className = "menuItem";
        ++index;
    }

    that.className = "menuItemSelected";
    that.blur();

    return;
}