// Listing 1: Excerpt from MOTD.hta

// ******* BEGIN CALLOUT A ******* 

body {
  background-color: #66CCFF;
  font: 11pt serif;
}
h1 {
  color: #000099;
  font: bold 18pt serif;
  text-align: center;
}
p {
  margin: 0 0 0 0;
}

// ******* END CALLOUT A ******* 

</style>
<script language="JavaScript">

// ******* BEGIN CALLOUT B *******

var MESSAGE_FILE_NAME = "MOTD.txt";

// ******* END CALLOUT B *******

function hex(n)
{
  if (n < 0)
    return (n + 0x100000000).toString(0x10).toUpperCase();
  else
    return n.toString(0x10).toUpperCase();
}

function keyboardHandler()
{
  var keycode = window.event.keyCode;
  if ((keycode == 13) || (keycode == 27) || (keycode == 32))
    window.close();
}

function executeApp()
{
  var fso, appdir, messagefile, ts, messagetext, line;

// ******* BEGIN CALLOUT C *******

  window.moveTo(
    (screen.width - document.documentElement.clientWidth) / 2,
    (screen.height - document.documentElement.clientHeight) / 2
  );

// ******* END CALLOUT C *******

  fso = new ActiveXObject("Scripting.FileSystemObject");

  if (MESSAGE_FILE_NAME.indexOf("\\") == -1) {
    appdir = unescape(fso.GetParentFolderName(location.pathname));
    messagefile = fso.BuildPath(appdir, MESSAGE_FILE_NAME);
  }
  else {
    messagefile = MESSAGE_FILE_NAME;
  }

  try {
    ts = fso.OpenTextFile(messagefile, 1);
    messagetext = "";
    while (! ts.AtEndOfStream) {

// ******* BEGIN CALLOUT D *******

      line = ts.ReadLine();
      if (line.length > 0)
        line = line.replace(/^(.*)$/, "<p>$1</p>");
      else
        line = "<p>&nbsp;</p>";
      messagetext += line;

// ******* END CALLOUT D *******
    }
    ts.Close();
  }
  catch(err) {
    messagetext = "<p>Can't display the message of the day.</p>"
      + "<p>&nbsp;</p>"
      + "<p>Error <b>0x" + hex(err.number) + "</b><br />"
      + err.description + "</p>";
  }

// ******* BEGIN CALLOUT E *******

  document.getElementById("textarea").innerHTML = messagetext;

// ******* END CALLOUT E*******

// ******* BEGIN CALLOUT F *******

  // window.setTimeout("window.close();", 30000);

// ******* END CALLOUT F *******
}