Listing E: custombutton.html
<html>
  <head>
    <title>SVG Image Demo</title>
  </head>
  <body bgcolor="#ffffff">
    <center>
      <table border="0">
        <tr>
          <td align="center">
            Click the image to visit the Google search engine:
          </td>
        </tr>
        <tr>
          <td align="center">
            <embed
              src="custombutton.svg"
              type="image/svg+xml"
              pluginspace="http://www.adobe.com/svg/viewer/install/" >
          </td>
        </tr>
      </table>
    </center>
  </body>
 </html>