// Preloading Images
var	navImages = [
				'images/nav/home_d.gif',
				'images/nav/home_u.gif',
				'images/nav/agenda_d.gif',
				'images/nav/agenda_u.gif',
				'images/nav/registration_d.gif',
				'images/nav/registration_u.gif',
				'images/nav/leisureActivities_d.gif',
				'images/nav/leisureActivities_u.gif',
				'images/nav/speakers_d.gif',
				'images/nav/speakers_u.gif',
				'images/nav/speakerPerspectives_d.gif',
				'images/nav/speakerPerspectives_u.gif',
				'images/nav/sponsors_d.gif',
				'images/nav/sponsors_u.gif',
				'images/nav/contact_d.gif',
				'images/nav/contact_u.gif'];
			
function preloadNavigation() {
	var preNav = new Array();
	for (i = 0; i < navImages.length; i++) {
		preNav[i] = new Image();
		preNav[i].src = navImages[i];
	}
}