body { background-image:url(b_back.gif); background-attachment:fixed}

a.b_ { display: block; width: 400px; height: 45px; margin: 1px 0px;}
a.b_:hover { background-position: 0 -45px;}

a#b_care { background-image: url("b_care.gif"); }
a#b_doraku { background-image: url("b_doraku.gif");}
a#b_iki { background-image: url("b_iki.gif");}
a#b_imi { background-image: url("b_imi.gif");}
a#b_koi { background-image: url("b_koi.gif");}
a#b_kubi { background-image: url("b_kubi.gif");}
a#b_me { background-image: url("b_me.gif");}
a#b_megami { background-image: url("b_megami.gif");}
a#b_venus { background-image: url("b_venus.gif");}

a#b_vampire { height: 50px; background-image: url("b_vampire.gif");}
a#b_vampire:hover { background-position: 0 -50px;}

a#yahoo { display: block; width: 550px; height: 125px;
   background-image: url("oval.gif");}
a#yahoo:hover { filter: alpha(opacity=0); -moz-opacity: 0; opacity: 0;}