.zoom_div {
	position:absolute;
	display:block;
	width: 300px; 
	height: 300px;
	background-color:#ffffff;
	top:0;
	left:0;
	overflow: hidden;
	z-index:10;
	border:2px solid black;
}
.zoom_mask_div {
	position:absolute;
	margin:0px;
	border-width:0px;
	border-color:#000000;
	border-style:solid;
	width:100px;
	height:100px;
	top:0px;
	left:0px;
	background:url("/images/zoom.gif") no-repeat top;
	background-color:#FFFFFF;
	opacity:0.3;
	filter:alpha(opacity=30);
	display:block;
}