if (document.images) {
	// Preload Sub Navigation
	subnav1a=new Image; subnav1a.src="../images/sn_portfolio_1.gif";
	subnav1b=new Image; subnav1b.src="../images/sn_portfolio_2.gif";

	subnav2a=new Image; subnav2a.src="../images/sn_testimonials_1.gif";
	subnav2b=new Image; subnav2b.src="../images/sn_testimonials_2.gif";

	subnav3a=new Image; subnav3a.src="../images/sn_client_list_1.gif";
	subnav3b=new Image; subnav3b.src="../images/sn_client_list_2.gif";
	
	subnav4a=new Image; subnav4a.src="../images/sn_case_studies_1.gif";
	subnav4b=new Image; subnav4b.src="../images/sn_case_studies_2.gif";
			
}