.a_popup_image a.screen, a.screen:visited
{
	color: #c00;
	position: relative;
	z-index: 1;
}
.a_popup_image a.screen b
{
	position: absolute;
	visibility: hidden; /* hide the image */
	width: 200px; /* give it a width */
	height: 0; /* no height to solve an Opera bug that makes it selectable when hidden */
	border: 1px solid #000; /* add a border */
	left: 0; /* position:the image */
	top: -60px;
}
.a_popup_image a.screen:hover
{
	text-decoration: none;
	border: 0; /* needed for this to work in IE */
	z-index: 1000;
}
.a_popup_image a.screen:hover b
{
	visibility: visible; /* make the image visible */
	height: 150px; /* now give it a height */
	cursor: pointer; /* for IE */
	z-index: 500;
}
.a_popup_image a.screen:hover b img
{
	border: 0; /* remove the link border */
}