div.client_logo {
	width: 252px;
	height: 81px;
	margin-bottom: 10px;
	overflow: hidden;
	
	line-height: 81px;
	border: 12px solid #4b4b4b;
	background-color: #fff;
	text-align: center;
}
	div.client_logo img {
		vertical-align: middle;
		margin-top: expression( (this.parentNode.clientHeight - this.clientHeight) / 2) !ie;
	}