if(document.images){

	///////////////////////////////////////////////////////////////
	// top navigation
	// buttons
	n1 = new Image();
	n1.src = 'images/navigation/bt_formula_1.gif';
	n3 = new Image();
	n3.src = 'images/navigation/bt_about.gif';
	n5 = new Image();
	n5.src = 'images/navigation/bt_links_nav.gif';
	n7 = new Image();
	n7.src = 'images/navigation/bt_news.gif';
	n9 = new Image();
	n9.src = 'images/navigation/bt_gallery.gif';
	n13 = new Image();
	n13.src = 'images/navigation/bt_chat.gif';
	n15 = new Image();
	n15.src = 'images/navigation/bt_home.gif';

	// rollovers
	rn1 = new Image();
	rn1.src = 'images/navigation/rp_formula_1.gif';
	rn3 = new Image();
	rn3.src = 'images/navigation/rp_about.gif';
	rn5 = new Image();
	rn5.src = 'images/navigation/rp_links_nav.gif';
	rn7 = new Image();
	rn7.src = 'images/navigation/rp_news.gif';
	rn9 = new Image();
	rn9.src = 'images/navigation/rp_gallery.gif';
	rn13 = new Image();
	rn13.src = 'images/navigation/rp_chat.gif';
	rn15 = new Image();
	rn15.src = 'images/navigation/rp_home.gif';

	// dividers
	d1 = new Image();
	d1.src = 'images/navigation/gr_nav_divider.gif';
	rd1 = new Image();
	rd1.src = 'images/navigation/gr_left_divider.gif';
	d2 = new Image();
	d2.src = 'images/navigation/gr_nav_divider.gif';
	rd2 = new Image();
	rd2.src = 'images/navigation/gr_right_divider.gif';
	d3 = new Image();
	d3.src = 'images/navigation/bt_chat2.gif';
	rd3 = new Image();
	rd3.src = 'images/navigation/rp_chat2.gif';

	///////////////////////////////////////////////////////////////
	// bottom navigation
	// buttons
	bn1 = new Image();
	bn1.src = 'images/navigation/bt_marks_partners.gif';
	bn3 = new Image();
	bn3.src = 'images/navigation/bt_links.gif';

	// rollovers
	rbn1 = new Image();
	rbn1.src = 'images/navigation/rp_marks_partners.gif';
	rbn3 = new Image();
	rbn3.src = 'images/navigation/rp_links.gif';

	// dividers
	bd1 = new Image();
	bd1.src = 'images/navigation/gr_footer_divider.gif';
	rbd1 = new Image();
	rbd1.src = 'images/navigation/rp_footer_divider_lt.gif';
	bd2 = new Image();
	bd2.src = 'images/navigation/gr_footer_divider.gif';
	rbd2 = new Image();
	rbd2.src = 'images/navigation/rp_footer_divider_rt.gif';
	bd3 = new Image();
	bd3.src = 'images/navigation/rp_footer_divider.gif';
	rbd3 = new Image();
	rbd3.src = 'images/navigation/rp_footer_divider_rt.gif';
	bd4 = new Image();
	bd4.src = 'images/navigation/rp_footer_divider.gif';
	rbd4 = new Image();
	rbd4.src = 'images/navigation/rp_footer_divider_lt.gif';

}