function showTellAFriendBox()
{
    toggleDisplayOn('tell-a-friend-hover');
    showOpaqueBackgroundLayer();
}

function hideTellAFriendBox()
{
    toggleDisplayOff('tell-a-friend-hover');
    showOpaqueBackgroundLayer();
}

function showHoverBox()
{
    toggleDisplayOn('hover-box');
    showOpaqueBackgroundLayer();
}

function hideHoverBox()
{
    toggleDisplayOff('hover-box');
    hideOpaqueBackgroundLayer();
}

function showOpaqueBackgroundLayer()
{
    toggleDisplayOn('opaque-div-layer');
}

function hideOpaqueBackgroundLayer()
{
    toggleDisplayOff('opaque-div-layer');
}

function MM_swapImgRestore()
{ //v3.0
    var i,x,a = document.MM_sr;
    for (i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++) x.src = x.oSrc;
}

function MM_findObj(n, d)
{ //v4.01
    var p,i,x;
    if (!d) d = document;
    if ((p = n.indexOf("?")) > 0 && parent.frames.length)
    {
        d = parent.frames[n.substring(p + 1)].document;
        n = n.substring(0, p);
    }
    if (!(x = d[n]) && d.all) x = d.all[n];
    for (i = 0; !x && i < d.forms.length; i++) x = d.forms[i][n];
    for (i = 0; !x && d.layers && i < d.layers.length; i++) x = MM_findObj(n, d.layers[i].document);
    if (!x && d.getElementById) x = d.getElementById(n);
    return x;
}

function MM_swapImage()
{
    var i,j = 0,x,a = MM_swapImage.arguments;
    document.MM_sr = new Array;
    for (i = 0; i < (a.length - 2); i += 3)
        if ((x = MM_findObj(a[i])) != null)
        {
            document.MM_sr[j++] = x;
            if (!x.oSrc) x.oSrc = x.src;
            x.src = a[i + 2];
        }
}