if (document.body.filters){
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    document.getElementById('img_discover-90e').runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='pics/discover-90e.png', sizingMethod='scale')";
    document.getElementById('img_earlier').runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='pics/puff_earlier.png', sizingMethod='scale')";
}else{
    document.getElementById('img_pad').src='pics/discover.png';
    document.getElementById('img_discover-410').src='pics/discover-410.png';
    document.getElementById('img_discover-475').src='pics/discover-475.png';
    document.getElementById('img_discover-465').src='pics/discover-465.png';
    document.getElementById('img_discover-90e').src='pics/discover-90e.png';
    document.getElementById('img_earlier').src='pics/puff_earlier.png';
}