body{overflow:hidden}

  body { background-image : url("img/bg.jpg");
  background-attachment: fixed;
  background-position: right;
  background-repeat: repeat-y ;}

  a:link{ color:#0064DD;}
  a:hover{ color:#000066;}
  a:visited{ color:#555555;}

  .ais { display:block; width:136px; height:28px; background-image : url(img/ais-1.gif); background-repeat:no-repeat;}
  a:hover.ais { background-image : url(img/ais-2.gif); background-repeat:no-repeat;}

  .pro { display:block; width:136px; height:28px; background-image : url(img/pro-1.gif); background-repeat:no-repeat;}
  a:hover.pro { background-image : url(img/pro-2.gif); background-repeat:no-repeat;}

  .gik { display:block; width:136px; height:28px; background-image : url(img/gik-1.gif); background-repeat:no-repeat;}
  a:hover.gik { background-image : url(img/gik-2.gif); background-repeat:no-repeat;}

  .sis { display:block; width:136px; height:28px; background-image : url(img/sis-1.gif); background-repeat:no-repeat;}
  a:hover.sis { background-image : url(img/sis-2.gif); background-repeat:no-repeat;}

  .kin { display:block; width:136px; height:28px; background-image : url(img/kin-1.gif); background-repeat:no-repeat;}
  a:hover.kin { background-image : url(img/kin-2.gif); background-repeat:no-repeat;}

  .link { display:block; width:136px; height:28px; background-image : url(img/link-1.gif); background-repeat:no-repeat;}
  a:hover.link { background-image : url(img/link-2.gif); background-repeat:no-repeat;}

  .kou { display:block; width:136px; height:28px; background-image : url(img/kou-1.gif); background-repeat:no-repeat;}
  a:hover.kou { background-image : url(img/kou-2.gif); background-repeat:no-repeat;}

  .goi { display:block; width:136px; height:28px; background-image : url(img/goi-1.gif); background-repeat:no-repeat;}
  a:hover.goi { background-image : url(img/goi-2.gif); background-repeat:no-repeat;}

  .top { display:block; width:136px; height:28px; background-image : url(img/top-1.gif); background-repeat:no-repeat;}
  a:hover.top { background-image : url(img/top-2.gif); background-repeat:no-repeat;}