var WindowID = null;
var Timeout = Array();

function showHelpWindow(WindowID)
{
    document.getElementById(WindowID).style.visibility = 'visible';
}

function hideHelpWindow(WindowID)
{
    document.getElementById(WindowID).style.visibility = 'hidden';
}

function overHelpWindow(WindowID)
{
    showHelpWindow(WindowID)
    if (Timeout[WindowID])
        window.clearTimeout(Timeout[WindowID]);
}

function outHelpWindow(WindowID)
{
    if (Timeout[WindowID])
        window.clearTimeout(Timeout[WindowID]);

    Timeout[WindowID] = window.setTimeout('hideHelpWindow(\''+WindowID+'\')', 500);
}