.w{font-family:Verdana,Geneva,sans-serif; font-size:12px; width:1024px; margin:0 auto}
.tb{background-color:#6691BD; width:1100px; position:absolute}
.ad{float:left; padding-top:0px; padding-left:15px}
A:link{text-decoration:none; color:#000}
A:visited{text-decoration:none; color:#000}
A:active{text-decoration:none; color:#000}
A:hover{text-decoration:underline; color:#000}