if (document.images) {
	// Preload Main Navigation
	nav1a=new Image; nav1a.src="images/n_about1.gif";
	nav1b=new Image; nav1b.src="images/n_about2.gif";

	nav2a=new Image; nav2a.src="images/n_marins_baylands1.gif";
	nav2b=new Image; nav2b.src="images/n_marins_baylands2.gif";

	nav3a=new Image; nav3a.src="images/n_news1.gif";
	nav3b=new Image; nav3b.src="images/n_news2.gif";

	nav4a=new Image; nav4a.src="images/n_how_help1.gif";
	nav4b=new Image; nav4b.src="images/n_how_help2.gif";

	// global nav
	gnav1a=new Image; gnav1a.src="images/g_become_member1.gif";
	gnav1b=new Image; gnav1b.src="images/g_become_member2.gif";

	gnav2a=new Image; gnav2a.src="images/g_donate1.gif";
	gnav2b=new Image; gnav2b.src="images/g_donate2.gif";

	gnav3a=new Image; gnav3a.src="images/g_current_project1.gif";
	gnav3b=new Image; gnav3b.src="images/g_current_project2.gif";
}