.header_top,.header_left,.header_right,.header_bottom,.header_content {
  filter  : expression((runtimeStyle.backgroundImage != 'none') ? runtimeStyle.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src='+currentStyle.backgroundImage.split('\"')[1]+', sizingMethod=scale)' : runtimeStyle.filter,runtimeStyle.backgroundImage = 'none');)      
}
.header_left_top,.header_right_top,.header_left_bottom,.header_right_bottom {
  filter  : expression(
    (runtimeStyle.filter == '') ? runtimeStyle.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src='+currentStyle.backgroundImage.split('\"')[1]+', sizingMethod=crop)' : runtimeStyle.filter,
    runtimeStyle.backgroundImage = 'none');
}