#ir_portal{
	display:blcok;
	height: 300px;
	width: 650px;
	overflow: hidden;
	position: relative;
	float:right;
	margin-top: 0;
	margin-right: 0;
	margin-bottom: 20px;
	margin-left: 0;
}

#ir_default{
	position: absolute;
	z-index: 0;
}

.irLink{
	display: block;
	position: absolute;
	height: 20px;
	width: 15px;
	border: 1px solid #D5D5AA;
	background-color: #ECECCD;
	color:#AF8F69;
	line-height: 20px;
	text-align: center;
	cursor: pointer;
	z-index: 100;
}