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aboutoff.src="../images/about.gif";

var abouton = new Image();

abouton.src="../images/abouton.gif";



var formatoff = new Image();

formatoff.src="../images/course_formats.gif";

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formaton.src="../images/course_formatson.gif";



var currentoff = new Image();

currentoff.src="../images/current_courses.gif";

var currenton = new Image();

currenton.src="../images/current_courseson.gif";



var publicationsoff = new Image();

publicationsoff.src="../images/publications.gif";

var publicationson = new Image();

publicationson.src="../images/publicationson.gif";



var bookingoff = new Image();

bookingoff.src="../images/booking_form.gif";

var bookingon = new Image();

bookingon.src="../images/booking_formon.gif";



var homeoff = new Image();

homeoff.src="../images/home.gif";

var homeon = new Image();

homeon.src="../images/homeon.gif";



var calloutoff = new Image();

calloutoff.src = "../images/callout.gif";

var callouton = new Image();

callouton.src = "../images/callout-b.gif";



var contactoff = new Image();

contactoff.src = "../images/contact.gif";

var contacton = new Image();

contacton.src = "../images/contacton.gif";



var learnoff = new Image();

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var resourcesoff = new Image();

resourcesoff.src="../images/resources.gif";

var resourceson = new Image();

resourceson.src="../images/resourceson.gif";





function rollover(imagename, objectsrc)

{

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}