function WriteHistory()
{
  document.write("<form>");
  document.write("<textarea name = \"history\" rows = \"5\" cols = \"60\" style = \"width: 430px; height: 50px;\" readonly>");
  document.write("2010.03.10 サークル情報修正\n");
  document.write("2009.08.22 新規作成\n");
  document.write("</textarea>");
  document.write("</form>");
}