if (document.images) {
	// Preload Main Navigation
	nav1a=new Image; nav1a.src="images/n_aboutus1.jpg";
	nav1b=new Image; nav1b.src="images/n_aboutus2.jpg";

	nav2a=new Image; nav2a.src="images/n_products1.jpg";
	nav2b=new Image; nav2b.src="images/n_products2.jpg";
	
	nav3a=new Image; nav3a.src="images/n_news1.jpg";
	nav3b=new Image; nav3b.src="images/n_news2.jpg";
	
	nav4a=new Image; nav4a.src="images/n_support1.jpg";
	nav4b=new Image; nav4b.src="images/n_support2.jpg";
	
	nav5a=new Image; nav5a.src="images/n_contactus1.jpg";
	nav5b=new Image; nav5b.src="images/n_contactus2.jpg";
	
	navhomea=new Image; navhomea.src="images/n_homepage1.jpg";
	navhomeb=new Image; navhomeb.src="images/n_homepage2.jpg";
}