.con {
	position: absolute;
	z-index: 0;
	top: 50%;
	margin-top: -51px;
	left: 50%;
	margin-left: -202px;
}

.rightNav span {
	display: inline-block;
	width: 96%;
	height: 50px;
	margin-left: 2%;
	line-height: 50px;
	border-bottom: 1px solid #f5f5f5;
	text-align: center;
}

.bgDiv {
	width: 100%;
	height: 100%;
	background-color: #000;
	opacity: .5;
	position: fixed;
	display: none;
	z-index: 99;
	bottom: 0;
	overflow:auto;
}

.rightNav {
	width: 30%;
	max-width: 400px;
	height: 100%;
	background-color: #fff;
	position: fixed;
	z-index: 999;
	top: 0;
	right: -50%;
}

#b_showbtn {
	position: fixed;
	bottom:130px;
	right: 3px;
	_position: absolute;
	_top: expression_r(documentElement.scrollTop+documentElement.clientHeight-this.offsetHeight);
	-moz-border-radius: 120px;
	-webkit-border-radius: 120px;
	-moz-box-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
	-webkit-box-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
	text-shadow: 0 -1px 1px rgba(0, 0, 0, 0.25);
	border-bottom: 1px solid rgba(0, 0, 0, 0.25);
	z-index: 998;
	filter: alpha(Opacity = 60);
	-moz-opacity: 0.6;
	opacity: 0.6;
	background:#FF5601;
	display: inline-block;
	text-align: center;
	vertical-align: middle;
	color: white;	
	font-weight: bold;
	font-size: 16px;
	padding: 10px 15px 18px 15px;
	width: 40px;
    height:40px;
}

#b_showbtn div{
	
	
	
}