options.html

<!doctype html>
<html>
  <head>
    <title>Niconico Live Alert for Chrome</title>
  </head>
  <body>
    <h1>Niconico Live Alert for Chrome</h1>
    <h2>Options</h2>
    <form id="options">
      Watch community Ids:
      <br>
      <textarea id="watchIds" name="watchIds" cols=20 rows=20></textarea>
      <br>
      <button id="saveOptions">Save Options</button>
    </form>
    <script src="options.js"></script>
  </body>
</html>