.banner {
	margin:10px auto;
	overflow:hidden;
	background-color:#f7f7f7;
	outline:1px solid #eee;
}
.banner_180x150 {
	width:180px;
	height:150px;
}
.banner_728x90 {
	width:728px;
	height:90px;
}
.banner_970x90 {
	width:970px;
	height:90px;
}
.banner_300x250 {
	width:300px;
	height:250px;
}
.banner_250x250 {
	width:250px;
	height:250px;
}
.banner_300x600 {
	width:300px;
	height:600px;
}
.banner_600x300 {
	width:600px;
	height:300px;
}
.banner_468x60 {
	width:468px;
	height:60px;
}
.banner_160x600 {
	width:160px;
	height:600px;
	background-color:#fff;
	outline:none;
}
.banner_300x420 {
	width:300px;
	height:420px;
}
.banner_336x280 {
	width:336px;
	height:280px;
}
.banner_970x250 {
	width: 970px;
	height: 250px;
}
#skin_left, #skin_right {
	position:fixed;
	cursor: pointer;
	min-height: 600px;
	top:0;
}
#skin_left {
	left:0;
}
#skin_right {
	right:0;
}
#skin_above {
	cursor: pointer;
	height: 100px;
	width: 992px;
	margin: 0 auto;
}
#infooter {
	position:fixed;
	bottom:0;
	left:50%;
	margin-left:-364px;
	width:728px;
	height:90px;
	background-color:transparent;
}
#close_infooter {
    position: absolute;
    background-color: #000;
    right: -5px;
    top: -5px;
    width: 30px;
    height: 30px;
    color: #fff;
    text-align: center;
    line-height: 30px;
    font-weight: normal;
    cursor: pointer;
    font-size: 20px;
    font-family: Verdana;
    border-radius: 16px;
    box-shadow: 1px 1px 1px #555;
    z-index: 99999999;
}