.lo_1500_center {width:1500px;margin:0 auto;clear:both;position:relative;}
.lo_1500_left {width:1500px;float:left;position:relative;}
.lo_340_left {width:340px;float:left;position:relative;}
.lo_1160_left {width:1160px;float:left;position:relative;}
.lo_1160 {width:1160px;clear:both;position:relative;}
.lo_1500 {width:1500px;clear:both;position:relative;}
.lo_290_left {width:290px;float:left;position:relative;}
.lo_870_left {width:870px;float:left;position:relative;}
.lo_800_center {width:800px;margin:0 auto;clear:both;position:relative;}
.lo_960_center {width:960px;margin:0 auto;clear:both;position:relative;}
.lo_960 {width:960px;clear:both;position:relative;}
.lo_180_left {width:180px;float:left;position:relative;}
.lo_780_left {width:780px;float:left;position:relative;}
.lo_780 {width:780px;clear:both;position:relative;}
.lo_960_left {width:960px;float:left;position:relative;}
.lo_230_left {width:230px;float:left;position:relative;}
.lo_550_left {width:550px;float:left;position:relative;}