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

function IS_preloadImages()
{
    var d = document;
    if (d.images)
    {
		// Check to see if the image array exists already, if not, create it...
        if (!d.IS_p)
        {
			d.IS_p = new Array();
		}
		
		// Add each image specified as an argument to the image array...
        var i, j = d.IS_p.length, args = IS_preloadImages.arguments;
        for (i = 0; i < args.length; i++)
        {
            if (args[i].indexOf("#") != 0)
            {
				d.IS_p[j] = new Image;
				d.IS_p[j++].src = args[i];
			}
		}
	}
}

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

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