// ----------------------------
// IMAGE TRANSPARENCY FUNCTIONS
// ----------------------------
// Copyright (c) 2006-2007 The Salamander Organization Ltd.  All Rights Reserved.
//
// THIS WORK IS SUBJECT TO U.K. AND INTERNATIONAL COPYRIGHT LAWS AND TREATIES.
//
// DISCLAIMER:
//
// The Salamander Organization Ltd. (hereto referred as "Salamander") makes no representations or warranties
// with respect to the contents or use of this code, and specifically disclaims any express or implied
// warranties of merchantability or fitness for any particular purpose.  Further, Salamander reserves the right
// to revise this publication and to make changes to its content, at any time, without obligation to notify any
// person or entity of such revisions or changes.
//
// Further, Salamander makes no representations or warranties with respect to any software, and specifically
// disclaims any express or implied warranties of merchantability or fitness for any particular purpose.  Salamander
// reserves the right to make changes to any and all parts of the software, at any time, without obligation to notify
// any person or entity of such changes.
//
// Inclusion of the above notice does not necessarily imply publication.

function ProcessImages()
{
    var ieVersion = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
    var isNewBrowser = (ieVersion != null && Number(ieVersion[1]) >= 5.5 && Number(ieVersion[1]) < 7.0);

    try
    {
        if (isNewBrowser && document.body.filters)
        {
            // store all png images in a separate array so we can forward iterate the list
            var imageArray = new Array();
            for (var j = 0; imageArray.length < maxImagesToProcess && j < document.images.length; j++)
            {
                var img = document.images[j];

                if (img != null)
                {
                    if (img.src.match(/\.(png)/i) != null && !img.isMap)
                    {
                        // got a png image, store it for processing
                        var pngCount = imageArray.length;
                        imageArray[pngCount] = img;
                    }
                }
            }

            // fix the collected png images
            for (var i = 0; i < imageArray.length; i++)
            {
                var pngImg = imageArray[i];

                if (pngImg != null)
                {
                    var src = pngImg.src;
                    var span = document.createElement("span");
                    span.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizing='scale')";
                    span.style.display = "inline-block";
                    span.style.width = pngImg.width + "px";
                    span.style.height = pngImg.height + "px";
                    span.title = pngImg.alt;
                    span.innerHTML = "&nbsp;";
                    pngImg.replaceNode(span);
                }
            }
        }
    }
    catch (e)
    {
    }
}