var clear="img/clear.gif" //path to clear.gif
pngfix=function()
{
    var els=document.getElementsByTagName('img');
    var ip=/\.png/i;
    var i=els.length;
    while(i-- >0)
    {
        var el=els[i];
        var es=el.style;
        //if(el.src&&el.src.match(ip)&&!es.filter)
        if(el.src&&el.src.match(ip))
        {
            es.height=el.height;
            es.width=el.width;
            es.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+el.src+"',sizingMethod='crop')";
            el.src=clear;
        } else
        {
            var elb=el.currentStyle.backgroundImage;
            if(elb.match(ip))
            {
                var path=elb.split('"');
                var rep=(el.currentStyle.backgroundRepeat=='no-repeat')?'crop':'scale';
                es.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+path[1]+"',sizingMethod='"+rep+"')";
                es.height=el.clientHeight+'px';
                es.backgroundImage='none';
                var elkids=el.getElementsByTagName('*');
                if (elkids)
                {
                    var j=elkids.length;
                    if(el.currentStyle.position!="absolute")
                        es.position='static';while (j-- >0)
                    if(!elkids[j].style.position)
                    elkids[j].style.position="relative";
                }
            }
        }
    }
}