.thumbnail{
position: relative;
z-index: 0;
}

.thumbnail:hover{
background-color: transparent;
z-index: 50;
}

.thumbnail span{ /*CSS for enlarged image*/
position: absolute;
background-color: #999999;
padding: 5px;
left: -1000px;
border: 1px solid;
visibility: hidden;
color: #FFFFCC;
text-decoration: none;
}

.thumbnail span img{
	border-width: 0;
	padding: 2px;
}

.thumbnail:hover span{ /*CSS for enlarged image on hover*/
visibility: visible;
top: 0;
left: 60px; /*position where enlarged image should offset horizontally */
}