var arVersion = navigator.appVersion.split("MSIE");
var version = parseFloat(arVersion[1]);

if ((version >= 5.5) && (version < 7)) 
{

    var supersleight = function() {

        var root = false;
        var applyPositioning = true;

        // Path to a transparent GIF image
        var shim = 'http://system.enalyzer.com/Customers/Enalyzer/MLN/x.gif';



        var fnLoadPngs = function() {
            if (root) {
                root = document.getElementById(root);
            } else {
                root = document;
            }
            for (var i = root.all.length - 1, obj = null; (obj = root.all[i]); i--) {
                // background pngs
                if (obj.currentStyle.backgroundImage.match(/\.png/i) !== null) {
                    bg_fnFixPng(obj);
                }

                // image elements
                if (obj.tagName == 'IMG' && obj.src.match(/\.png$/i) !== null) {
                    el_fnFixPng(obj);
                }
                // apply position to 'active' elements
                if (applyPositioning && (obj.tagName == 'A' || obj.tagName == 'INPUT') && obj.style.position === '') {
                    obj.style.position = 'relative';
                }
            }
        };

        var bg_fnFixPng = function(obj) {

            var mode = 'scale';
            var bg = obj.currentStyle.backgroundImage;
            var src = bg.substring(5, bg.length - 2);
            if (obj.currentStyle.backgroundRepeat == 'no-repeat') {
                mode = 'crop';
            }
            obj.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='" + mode + "')";
            obj.style.backgroundImage = 'url(' + shim + ')';
        };

        var el_fnFixPng = function(img) {
            var src = img.src;
            img.style.width = img.width + "px";
            img.style.height = img.height + "px";
            img.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='scale')";
            img.src = shim;
        };

        var addLoadEvent = function(func) {
            var oldonload = window.onload;
            if (typeof window.onload != 'function') {
                window.onload = func;
            } else {
                window.onload = function() {
                    if (oldonload) {
                        oldonload();
                    }
                    func();
                };
            }
        };

        return {
            init: function() {
                addLoadEvent(fnLoadPngs);
            },

            limitTo: function(el) {
                root = el;
            },

            run: function() {
                fnLoadPngs();
            }
        };
    } ();

// limit to part of the page ... pass an ID to limitTo:
// supersleight.limitTo('header');

supersleight.init();    

}