a.smenu1 {
     display: block;
     width: 60px;
     height: 31px;
     background: url(mmenu-2_01.gif) no-repeat 0 -31px;
}

a.smenu2 {
     display: block;
     width: 59px;
     height: 31px;
     background: url(mmenu-2_02.gif) no-repeat 0 0;
}
a.smenu2:hover {
     background: url(mmenu-2_02.gif) no-repeat 0 -31px;
}

#smenu4 {
     width: 169px;
     height: 31px;
     background: url(mmenu-2_04.gif);
}