#box_2 {width:165px;float:left;}
#box_2 .box_h6{width:163px;float:left;}
#box_3 {width:584px;float:right;}
#box_3 .box_h6{width:582px;float:left;}
#box_4 {display:none;}

#notice{width:756px;float:left;}
#notice .box_h6{width:754px;float:left;}