$('.menuImage').mouseover(function(){
let imageSrc = '/home/menu/images/' + this.id + '_color.gif';
this.src = imageSrc;
$('#div_' + this.id).show();
});
$('.menuImage').mouseout(function(){
let imageSrc = '/home/menu/images/' + this.id + '_bw.gif';
this.src = imageSrc;
$('#div_' + this.id).hide();
});