var ALTED_OFF = 0;
var SPECIALED_OFF = 1;
var ALTED_ON = 2;
var SPECIALED_ON = 3;

var sideMenuImages = new Array(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 = "/Dep/Images/AltEd_Off.gif";
	sideMenuImages[1].src = "/Dep/Images/SpecialEd_Off.gif";
	sideMenuImages[2].src = "/Dep/Images/AltEd_On.gif";
	sideMenuImages[3].src = "/Dep/Images/SpecialEd_On.gif";
}
preloadSideMenuImages();