#content_top {
	background:none;
	filter: progid:dximagetransform.microsoft.alphaimageloader(src='images/bg_content_top.png', sizingMethod='scale');
}
#content_bottom {
	background:none;
	filter: progid:dximagetransform.microsoft.alphaimageloader(src='images/bg_content_bottom.png', sizingMethod='scale');
}