#menumain_dolphin{
   margin:0;
   white-space:nowrap;
   overflow:hidden;
   height:44px;
   padding:0px;
}

#menumain_dolphin .mainmenuiner {
    height:44px;
	padding:0px;
    line-height:44px;
    overflow: hidden;
    margin:0px;
}

#menumain_dolphin a.menumain_dolphin:link,#menumain_dolphin a.menumain_dolphin:active,#menumain_dolphin a.menumain_dolphin:visited{
   display:block;
   float:left;
   height:44px;
   text-decoration: none;
   text-align:center;
   width:99px;
   color:#fff;
   font:14px/36px 'SimSun',Arial,Sans-Serif;
   background:url(menu.jpg) 0px 0px no-repeat;
   margin:0px;
}

#menumain_dolphin a.menumain_dolphin:hover{
   display:block;
   float:left;
   height:44px;
   color:#fff; 
   text-decoration: none;
   text-align:center;
   width:99px;
   font:14px/36px 'SimSun',Arial,Sans-Serif;
   background:url(menunow.jpg) 0px 0px no-repeat;
   margin:0px;
}