if (document.body.filters) 
    $ES('img').each(
        function (e2) {
            if (e2.hasClass('pngfix')) {
                e2.style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="'+ e2.src +'", sizingMethod="image")';
                e2.src = 'i/t.gif';
                e2.removeClass('pngfix');
            }
    });