*{padding:0;margin:0;}
.clr{clear:both;overflow:hidden;height:0;width:0;}
.relative{position:relative;width:100%;}
#home_banner img{ border:none;}
#home_banner{
	max-width:980px;
	margin:0 auto;
}
.maxwidth{
	width:650px;
	margin:0 auto; 
}
#big_img{
	height:300px;
	background:no-repeat center
}
#small_img{
	height:74px;
	padding-top:13px;
	position:absolute;
	top:-87px;
	width:100%;
	background:url(../images/bnbg.png) no-repeat center 0;
}
#small_pre,#small_next,#small_imgs{
	height:64px;
	float:left;
}
#small_pre,#small_next{
	width:22px;
	display:block;
}


#small_imgs{
	width:600px;
	overflow:hidden; margin:0 auto;
}
#small_imgs .item{
	float:left;
	padding:0 16px;
}
#small_imgs .item .img{
	cursor:pointer;
	width:144px;
	height:92px;
	padding:3px;
	padding-top:10px;
	background:url(../images/banner_bg.png) no-repeat center bottom;
}
#small_imgs .item .img img{
	width:144px;
	height:52px;
}
#small_imgs .item .active{
	background:url(../images/banner_bg_a.png) no-repeat center bottom;
}