.invisible {
	display: none;
}
.hidden {
	visibility: hidden;
}
.center_div {
	position:absolute; 
	display: none;
	z-index: 300;
}

.image {
	font-size: 0px;
}
form{margin:0;}

#tabs {
	list-style: none;
}
#tabs li {
	float: left;
}

#tabs a {
	float: left;
	padding: 4px 8px;
	margin-left: 6px;
	background-color: #D2D2D2;
	text-decoration: none;
	color: #777777;
}

#tabs a.active-tab {
	background-color: #C2C2C2;
	border-top: 1px solid #888;
	border-right: 1px solid #888;
	border-left: 1px solid #888;
	padding-top: 3px;
	color: #666666;
}

.panel {
	clear: both;
	display: none;
	border: 1px solid #888;
	padding: 1em;
}

.panel.active-tab-body {
	display: block;
}