.menu{float:left; width:739px;}
.lf2lf {display:block;  line-height:29px; float:left;}
#sub3{width:977px; height:88px; margin:0px auto; background:url(/images/book/tushubg.gif) repeat-x; margin-top:5px; margin-bottom:5px;}
#sub3 a{color:#FFFFFF; text-decoration:none;}
#sub3 a:hover{color:#FFFFFF;  text-decoration:underline;}
.logo2{float:left; width:238px; height:88px;}