a.a:link { color: #666666; text-decoration:none  }
a.a:visited { color: #666666; text-decoration:none  }
a.a:active { color: #666666; text-decoration:none }
a.a:hover { color: #000080;text-decoration:underline }
a.b:link { color: #000080; text-decoration:none  }
a.b:visited { color: #000080; text-decoration:none  }
a.b:active { color: #000080; text-decoration:none  }
a.b:hover {  color: #FF6600;text-decoration:none }
a.c:link { color: #808080; text-decoration:none }
a.c:visited { color: #808080; text-decoration:none }
a.c:active { color: #808080; text-decoration:none }
a.c:hover { color: #FF6600; text-decoration: underline; }