#banner
{
	width: 990px;
	margin: 0px auto;
	height: 50px;
	overflow: hidden;
	margin-top: 20px;
	
}
#btn_num
{
	display: inline;
	width: 200px;
	height: 20px;
	position: relative;
}
#btn_num a
{
	
   background-image:url(../images/pagination.png); 
	
	float: left;
	width: 19px;
	height: 19px;
	line-height: 18px;
	margin-left: 5px;

	
}
#btn_num a.activeSlide
{
	background-image:url(../images/pagination.png);
	background-position:0 -44px;
}
#btn_num a:hover
{
	cursor:pointer;
	background-image:url(../images/pagination.png);
	background-position:0 -21px;
}
.btn_do
{
	width:19px;
	height:19px;
	
	}