function fixPngTransparency(obj){
    if(document.body.filters){
        pattern=/.png/gi;
        filterFix="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+obj.src+"',sizingMethod='scale');";
        if(obj.src.search(pattern)!=-1){
            obj.style.width=obj.offsetWidth+"px";
            obj.style.height=obj.offsetHeight+"px";
            obj.style.filter=filterFix;
            obj.src="/img/1x1.gif";
        }
    }
}

function fixImages(){
        imageCollection=document.body.getElementsByTagName("IMG");
        for(i=0; i<imageCollection.length; i++){
               fixPngTransparency(imageCollection[i]);
        }
}