*{margin:0; padding:0;}

#wrap{width:970px; margin:0 auto;}

#mainbody{ margin-top:15px; position:relative;}

#left{ width:110px; float: left; }

#mid{width:650px;border:1px solid #999; float: left; margin-left:13px;}

#right{border:1px solid #999; position:absolute; margin-left:776px;}