/* 
Correctly handle PNG transparency in Win IE 5.5 & 6.
Copyright 2007 Ignia, LLC
Based in part on code from from http://homepage.ntlworld.com/bobosola.

Use in <HEAD> with DEFER keyword wrapped in conditional comments:
<!--[if lt IE 7]>
<script defer type="text/javascript" src="pngfix.js"></script>
<![endif]-->

*/

function fixPng(path) {
    var arVersion = navigator.appVersion.split("MSIE");
    var version = parseFloat(arVersion[1]);

    if ((version >= 5.5) && (version < 7.0)) {

        for (var i = 0; i < document.images.length; i++) {
            var img = document.images[i];
            var imgName = img.src.toUpperCase();
            if (imgName.indexOf(".PNG") > 0) {
                var width = img.width;
                var height = img.height;
                var sizingMethod = (img.className.toLowerCase().indexOf("scale") >= 0) ? "scale" : "image";
                img.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + img.src.replace('%23', '%2523').replace("'", "%27") + "', sizingMethod='" + sizingMethod + "')";
                img.src = path+"/blank.gif";
                img.width = width;
                img.height = height;
            }
        }
    }
}
