imgBio = new Image;
	imgBio.src = "images/off_bio.gif"

	imgBio_over = new Image;
	imgBio_over.src = "images/on_bio.gif"

	imgRedwhale = new Image;
	imgRedwhale.src = "images/off_redwhale.gif"

	imgRedwhale_over = new Image;
	imgRedwhale_over.src = "images/on_redwhale.gif"

	imgStanford = new Image;
	imgStanford.src = "images/off_stanford.gif"

	imgStanford_over = new Image;
	imgStanford_over.src = "images/on_stanford.gif"

	imgDiglib = new Image;
	imgDiglib.src = "images/off_diglib.gif"

	imgDiglib_over = new Image;
	imgDiglib_over.src = "images/on_diglib.gif"

	imgResearch = new Image;
	imgResearch.src = "images/off_research.gif"

	imgResearch_over = new Image;
	imgResearch_over.src = "images/on_research.gif"

	imgXIML = new Image;
	imgXIML.src = "images/off_ximl.gif"

	imgXIML_over = new Image;
	imgXIML_over.src = "images/on_ximl.gif"

	imgActivities = new Image;
	imgActivities.src = "images/off_activities.gif"

	imgActivities_over = new Image;
	imgActivities_over.src = "images/on_activities.gif"
	
	imgTravelogs = new Image;
	imgTravelogs.src = "images/off_travelogs.gif"

	imgTravelogs_over = new Image;
	imgTravelogs_over.src = "images/on_travelogs.gif"

function onOver( img )
{
	document.images[img].src = eval( img + "_over.src" );
}
function onOut( img )
{
	document.images[img].src = eval( img + ".src" );
}