/****** IE6 HACK ******/
var isIE6 = (navigator.userAgent.indexOf("MSIE 6") != -1) ? true : false;

function pngFix(pixGifUrl) {
    if (isIE6) {
        for (var i = 0; i < document.images.length; i++) {
            var imgs = document.images[i];
            this.pngFixItem(pixGifUrl, imgs);
            Element.setStyle(imgs, { visibility: 'visible' });
        }
    }
}

function pngFixItem(pixGifUrl, img) {
    if (isIE6) {
        if (img.src.substring(img.src.length - 3, img.src.length) == 'png' && img.className.indexOf("ie6hackpng") != -1) {
            Element.setStyle(img, {
                width: img.offsetWidth + 'px', height: img.offsetHeight + 'px',
                filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader(src=" + img.src + ",sizingMethod='scale')"
            });
            img.src = pixGifUrl;
        }
    }
}

window.onload = function() {
    pngFix("img/spacer.gif");
}