function openPopup(url, windowLayout)
{
    var strSettings = "status=0, toolbar=0, location=0, menubar=0, resizable=0, scrollbars=1, ";
    switch (windowLayout.toString().toLowerCase())
    {
        case "horizontal":
            strSettings += "width=750, height=600";
            break;
        case "vertical":
        default:
            strSettings += "width=650, height=700";
            break;
    }
    window.open(url + ".shtml", "popup", strSettings);
}

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

function preloadImages() 
{
    var d = document; 
    if (d.images)
    {
        if (!d.p)
            d.p = new Array();
        var i, j = d.p.length, a = preloadImages.arguments; 
        for (i = 0; i < a.length; i++)
            if (a[i].indexOf("#") != 0)
            {
                d.p[j] = new Image;
                d.p[j++].src = a[i];
            }
    }
}

function findObj(n, d)
{
    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 = findObj(n, d.layers[i].document); 
    return x;
}

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