IMAGE_COUNT = 3;
IMAGE_PREFIX = "table_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;
	}
}