IMAGE_COUNT = 4;
IMAGE_PREFIX = "dateadd_ex_mo";
IMAGE_EXTENSION = "gif";
IMAGE_DIRECTORY = "../module2/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;
		}
	} 
	// ----- out
	function out(){
		if (document.images) {
			document['notext'].src=blankoff.src;
		}
	}