var onImageArray = new Array();
var overImageArray = new Array();
var loginIndexBase;

webCT_preloadImages();
		
function webCT_preloadImages() { //v3.0

			onImageArray[0] = new Image();
			onImageArray[0].src = "/resources/images/webct-buttons/login-campus-on.gif";
			overImageArray[0] = new Image();
			overImageArray[0].src = "/resources/images/webct-buttons/login-campus-over.gif";
		
			onImageArray[1] = new Image();
			onImageArray[1].src = "../resources/images/webct-buttons/login-spark-on.gif";
			overImageArray[1] = new Image();
			overImageArray[1].src = "../resources/images/webct-buttons/login-spark-over.gif";
			
			onImageArray[2] = new Image();
			onImageArray[2].src = "../resources/images/webct-buttons/login-umonline-on.gif";
			overImageArray[2] = new Image();
			overImageArray[2].src = "../resources/images/webct-buttons/login-umonline-over.gif";

}

function campusButtonImageOn(){
	if (document.images) {
		document.campusLoginButton.src = onImageArray[0].src;
	}
}
function campusButtonImageOver(){
	if (document.images) {
		document.campusLoginButton.src = overImageArray[0].src;
	}
}
function vistaButtonImageOn(){
	if (document.images) {
		document.vistaLoginButton.src = onImageArray[1].src;
	}
}
function vistaButtonImageOver(){
	if (document.images) {
		document.vistaLoginButton.src = overImageArray[1].src;
	}
}
function umonlineButtonImageOn(){
	if (document.images) {
		document.umonlineLoginButton.src = onImageArray[2].src;
	}
}
function umonlineButtonImageOver(){
	if (document.images) {
		document.umonlineLoginButton.src = overImageArray[2].src;
	}
}