html, body {
   background-image: url("./background.jpg");
    background-repeat: repeat;
    background-attachment: fixed;
	

	
	<!-- IF FORUM_ID eq '29' -->
	
		.cat2 {
	   background-image: url("./background2.jpg");
		background-repeat: repeat;
		background-attachment: fixed;
	}
	
	<!-- ENDIF -->

	
}