#springButton
{
  display: block;
  width: 148px;
  height: 32px;
  background: url("../images/button_spring08.gif") no-repeat 0 0;

}

#springButton:hover
{ 
  background-position: 0 -32px;
}
#springButton span
{
  display: none;
}

#winterButton
{
  display: block;
  width: 148px;
  height: 32px;
  background: url("../images/button_winter07.gif") no-repeat 0 0;

}

#winterButton:hover
{ 
  background-position: 0 -32px;
}
#winterButton span
{
  display: none;
}

#archiveButton
{
  display: block;
  width: 148px;
  height: 32px;
  background: url("../images/button_archive.gif") no-repeat 0 0;

}

#archiveButton:hover
{ 
  background-position: 0 -32px;
}
#archiveButton span
{
  display: none;
}