#banner {
	margin: 0px auto; width: 1000px; height: 300px; overflow: hidden;
}
#btn_num {
	margin: 0px; width: 100px; height: 30px; display: inline; position: relative;
}
#btn_num a {
	width: 19px; height: 19px; line-height: 18px; margin-left: 5px; float: left; background-image: url("pagination.png");
}
#btn_num a.activeSlide {
	background-position: 0px -44px; background-image: url("pagination.png");
}
#btn_num a:hover {
	background-position: 0px -21px; cursor: pointer; background-image: url("pagination.png");
}
.btn_do {
	width: 19px; height: 19px;
}