.thumbwrap {
	float:left; /* must be floated for same cross browser position of larger image */
	margin:1px;
}
.thumb {
	position:relative;
	padding:4px;
}
.thumb img { 
	border:0px solid #000;
	vertical-align:bottom;
}
.thumb:hover {
	border:0; /* IE6 needs this to show large image */
	z-index:1;
}
.thumb span { 
	position:absolute;
	visibility:hidden;
}
.thumb:hover span { 
	visibility:visible;
	top:7px; left:37px; 
}