#mainbody{width:1010px;height:466px;margin:0 auto; overflow:hidden; position:relative;zoom:1}
.conbox1{ margin-top:20px; }
.switcher{  TOP: 290px; right: 16px; z-index:8;}
.switcher a { display:block;MARGIN: 0px 0px; height:20px;}
.switcher a {BACKGROUND-IMAGE: url(../image/layout/about_btn.jpg); WIDTH: 18px; DISPLAY: block; BACKGROUND-POSITION: 0px -23px; HEIGHT: 0px; OVERFLOW: hidden; PADDING-TOP: 20px}
.switcher A.cur {BACKGROUND-POSITION: 0px 0px}