if (document.images) {
	// Preload Sub Navigation

	subnav1a=new Image; subnav1a.src="images/sn_about_mission1.gif";
	subnav1b=new Image; subnav1b.src="images/sn_about_mission2.gif";
	
	subnav2a=new Image; subnav2a.src="images/sn_about_goals1.gif";
	subnav2b=new Image; subnav2b.src="images/sn_about_goals2.gif";
	
	subnav3a=new Image; subnav3a.src="images/sn_about_accomplishments1.gif";
	subnav3b=new Image; subnav3b.src="images/sn_about_accomplishments2.gif";
	
	subnav4a=new Image; subnav4a.src="images/sn_about_contact1.gif";
	subnav4b=new Image; subnav4b.src="images/sn_about_contact2.gif";
}