.shadow
{
    position: absolute; 
    z-index: 50; 
    height:664px; 
    width:87px; 
    background: transparent url('/images/shadow.png') no-repeat;
}

*html .shadow
{
    position: absolute; 
    z-index: 50; 
    height:664px; 
    width:87px; 
    background: 0;
    filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,sizingMethod=crop src='/images/shadow.png'); 

}