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);
    
    if (!x && d.getElementById)
        x = d.getElementById(n);
    
    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];
        }
}