/*Add a height attribute and set to largest image's height to prevent overlaying*/
.gallerycontainer
{
	position: relative;
}

.thumbnail img
{
	border: 1px solid white;
	margin: 0 5px 5px 0;
}

.thumbnail:hover
{
	background-color: transparent;
}

.thumbnail:hover img
{
	border: 1px solid blue;
}

/*CSS for enlarged image*/
.thumbnail span
{
	position: absolute;
	background-color: lightyellow;
	padding: 5px;
	left: -1000px;
	border: 1px dashed gray;
	visibility: hidden;
	color: black;
	text-decoration: none;
}

/*CSS for enlarged image*/
.thumbnail span img
{
	border-width: 0;
	padding: 2px;
}

/*CSS for enlarged image*/
.thumbnail:hover span
{
	visibility: visible;
	top: 0;
	left: 280px; /*position where enlarged image should offset horizontally */
	z-index: 50;
}