function iepng(imgObj){
        if(ismsie6x()){
                imgObj.onload=null;
                imgObj.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+ imgObj.src+ "',sizingMethod='scale')";
                imgObj.src='/images/px.gif';
        }
}


function ismsie6x(){
        var result=false;
        var useragent=navigator.userAgent;
        var platform=navigator.platform;
        if(useragent.indexOf('MSIE')>=0 && platform.indexOf('Win')>=0 && !window.opera){
                var re=/MSIE ([0-9]+)\./;
                var version=useragent.match(re)[1];
                if(parseInt(version)>=6) result=true;
        }
        return result;
}