IMAGE_COUNT = 9;
IMAGE_PREFIX = "course_over_mo";
IMAGE_EXTENSION = "gif";
IMAGE_DIRECTORY = "../module1/images/";
var msg = new Array();
if(document.images){
	for ( i=1; i<=IMAGE_COUNT; i++ ){
		msg[i] = new Image();
		msg[i].src = IMAGE_DIRECTORY + IMAGE_PREFIX + i + "." + IMAGE_EXTENSION;
	 }
	var blankoff=new Image();
		blankoff.src= IMAGE_DIRECTORY + IMAGE_PREFIX + "_blank." + IMAGE_EXTENSION;
}
// ----- over
function over(cellName){
	if (document.images) {
		document['notext'].src=msg[cellName].src;
	 }
} 

function out(){
	if (document.images){
		document['notext'].src=blankoff.src;
	}
}