.daohang a#index{ background-image:url(../images/global/daohangbg_current.gif); text-decoration:none;background-repeat:no-repeat; text-align:center; color:#ffffff; font-weight:bold;}
.green .daohang a{ }
.blue .daohang a#index{background-position:center 0;}
.green .daohang a#index{background-position:center -40px;}
.orange .daohang a#index{background-position:center -80px;}