.lo_1000_center {width:1000px;margin:0 auto;clear:both;position:relative;}
.lo_1000 {width:1000px;clear:both;position:relative;}
.lo_200_left {width:200px;float:left;position:relative;}
.lo_800_left {width:800px;float:left;position:relative;}
.lo_800 {width:800px;clear:both;position:relative;}
.lo_210_left {width:210px;float:left;position:relative;}
.lo_790_left {width:790px;float:left;position:relative;}
.lo_790 {width:790px;clear:both;position:relative;}