var COURSECATALOG_OFF = 0;
var MASTERSCHEDULE_OFF = 1;
var PROPOSEDSCHEDULE_OFF = 2;
var FIELDTRIPS_OFF = 3;
var CONTACTUS_OFF = 4;
var COURSECATALOG_ON = 5;
var MASTERSCHEDULE_ON = 6;
var PROPOSEDSCHEDULE_ON = 7;
var FIELDTRIPS_ON = 8;
var CONTACTUS_ON = 9;

var sideMenuImages = new Array(new Image(), new Image(), new Image(), new Image(), new Image(), new Image(), new Image(), new Image(), new Image(), new Image());

function changeSideMenuImage(imgObj, imgIndex) {
	if (sideMenuImages[imgIndex].complete)
		imgObj.src = sideMenuImages[imgIndex].src;
}

function preloadSideMenuImages() {
	sideMenuImages[0].src = "/Center/Technology/Luminet/Images/CourseCatalog_Off.gif";
	sideMenuImages[1].src = "/Center/Technology/Luminet/Images/MasterSchedule_Off.gif";
	sideMenuImages[2].src = "/Center/Technology/Luminet/Images/ProposedSchedule_Off.gif";
	sideMenuImages[3].src = "/Center/Technology/Luminet/Images/FieldTrips_Off.gif";
	sideMenuImages[4].src = "/Center/Technology/Luminet/Images/ContactUs_Off.gif";
	sideMenuImages[5].src = "/Center/Technology/Luminet/Images/CourseCatalog_On.gif";
	sideMenuImages[6].src = "/Center/Technology/Luminet/Images/MasterSchedule_On.gif";
	sideMenuImages[7].src = "/Center/Technology/Luminet/Images/ProposedSchedule_On.gif";
	sideMenuImages[8].src = "/Center/Technology/Luminet/Images/FieldTrips_On.gif";
	sideMenuImages[9].src = "/Center/Technology/Luminet/Images/ContactUs_On.gif";
}
preloadSideMenuImages();