//他所のフレーム内に取り込まれないために
  if ( navigator.appName == "Netscape"|| navigator.appVersion.charAt(0) >=4 ) {
    if (self !=top) {
      top.location.href=self.location.href;
    }
  }

  //アドレスの回収困難化
  var strMsg;
  function address(strMsg){
    mail="sasa" + "eruka" + "i@songshindo.o" + "rg";
    document.write(mail.link("mailto:" + "sasa" + "eruka" + "i@songshin" + "do.o" + "rg?Subject=" + strMsg));
  }