if (document.images)
	// department images
	tos_off = new Image
	tos_over = new Image
	tos_click = new Image

	tng_off = new Image
	tng_over = new Image
	tng_click = new Image

	ds9_off = new Image
	ds9_over = new Image
	ds9_click = new Image

	voy_off = new Image
	voy_over = new Image
	voy_click = new Image

	ent_off = new Image
	ent_over = new Image
	ent_click = new Image

	movies_off = new Image
	movies_over = new Image
	movies_click = new Image

	tos_off.src = "images/department.gif"
	tos_over.src = "images/tos_over.gif"
	tos_click.src = "images/tos_click.gif"

	tng_off.src = "images/department.gif"
	tng_over.src = "images/tng_over.gif"
	tng_click.src = "images/tng_click.gif"

	ds9_off.src = "images/department.gif"
	ds9_over.src = "images/ds9_over.gif"
	ds9_click.src = "images/ds9_click.gif"

	voy_off.src = "images/department.gif"
	voy_over.src = "images/voy_over.gif"
	voy_click.src = "images/voy_click.gif"

	ent_off.src = "images/department.gif"
	ent_over.src = "images/ent_over.gif"
	ent_click.src = "images/ent_click.gif"

	movies_off.src = "images/department.gif"
	movies_over.src = "images/movie_over.gif"
	movies_click.src = "images/movie_click.gif"

	// commlink images
	communique_off = new Image
	communique_over = new Image
	communique_click = new Image

	communique_off.src = "images/commlink.gif"
	communique_over.src = "images/communique_over.gif"
	communique_click.src = "images/communique_click.gif"

	guestbook_off = new Image
	guestbook_over = new Image
	guestbook_click = new Image

	guestbook_off.src = "images/commlink.gif"
	guestbook_over.src = "images/guestbook_over.gif"
	guestbook_click.src = "images/guestbook_click.gif"

	links_off = new Image
	links_over = new Image
	links_click = new Image

	links_off.src = "images/commlink.gif"
	links_over.src = "images/links_over.gif"
	links_click.src = "images/links_click.gif"

	news_off = new Image
	news_over = new Image
	news_click = new Image

	news_off.src = "images/commlink.gif"
	news_over.src = "images/news_over.gif"
	news_click.src = "images/news_click.gif"

	opinion_off = new Image
	opinion_over = new Image
	opinion_click = new Image

	opinion_off.src = "images/commlink.gif"
	opinion_over.src = "images/opinion_over.gif"
	opinion_click.src = "images/opinion_click.gif"

	updates_off = new Image
	updates_over = new Image
	updates_click = new Image

	updates_off.src = "images/commlink.gif"
	updates_over.src = "images/updates_over.gif"
	updates_click.src = "images/updates_click.gif"

	board_off = new Image
	board_over = new Image
	board_click = new Image

	board_off.src = "images/commlink.gif"
	board_over.src = "images/board_over.gif"
	board_click.src = "images/board_click.gif"

	review_off = new Image
	review_over = new Image
	review_click = new Image

	review_off.src = "images/commlink.gif"
	review_over.src = "images/reviews_over.gif"
	review_click.src = "images/reviews_click.gif"

	// science images
	downloads_over = new Image
	downloads_off = new Image
	downloads_click = new Image

	downloads_over.src = "images/downloads_over.gif"
	downloads_off.src = "images/science.gif"
	downloads_click.src = "images/downloads_click.gif"	
	
	search_over = new Image
	search_off = new Image
	search_click = new Image
	
	search_over.src = "images/search_over.gif"
	search_off.src = "images/science.gif"
	search_click.src = "images/search_click.gif"
	
	trivia_over = new Image
	trivia_off = new Image
	trivia_click = new Image
	
	trivia_over.src = "images/trivia_over.gif"
	trivia_off.src = "images/science.gif"
	trivia_click.src = "images/trivia_click.gif"
	
	facts_over = new Image
	facts_off = new Image
	facts_click = new Image
	
	facts_over.src = "images/facts_over.gif"
	facts_off.src = "images/science.gif"
	facts_click.src = "images/facts_click.gif"