function showHint(popupId)
{
    document.getElementById(popupId).style.display = "";
    return false;
}

function hideHint(popupId)
{
    document.getElementById(popupId).style.display = "none";
    return false;
}

function navItemOn(navId)
{
    document.getElementById(navId).className = "hoverArrowOn";
    return false;
}

function navItemOff(navId)
{
    document.getElementById(navId).className = "hoverArrow";
    return false;
}

function goToChannel()
{
    var theLink = document.getElementById("channelDropDown").options[document.getElementById("channelDropDown").selectedIndex].value;
    if (theLink != "")
        window.open(theLink, "newWindow", "");
}