.top{
	width:1210px;
	height:718px;
	margin-left:230px;
	position:absolute;

  }
.main_banner1{
  background:url(../image/banner_01.jpg) no-repeat center top;
  }
.slider{
	width:1440px;
	height:110px;
	margin:605px 0 0 -230px;
	position:relative;
	background:url(../image/bar_01.png) no-repeat;
	z-index: 999;
  }
.slider_menu{
  width:26px;
  height:110px;
  position:absolute;
  cursor:pointer;
  top:0;
  }
.slider_menuleft{
  background:url(../image/rotaleft.gif) no-repeat;
  left:380px;
  }
.slider_menuleft:hover{
  background:url(../image/on_rotaleft.gif) no-repeat;
  }
.slider_menuright{
  background:url(../image/rotaright.gif) no-repeat;
  right:160px;
  }
.slider_menuright:hover{
  background:url(../image/on_rotaright.gif) no-repeat;
  }
.slider_menubar {
	height: 110px;
	display: block;
}