function update_captcha(imgid) {
      var img = document.getElementById(imgid);
      img.src = "/cgi-bin/ezformc/" + (new Date()).getTime() + ".gif?image=1";
   }

   function print_image() {
      document.write("<div id=\"captcha_img\">");
      document.write("<img id=\"captchaid\" src=\"/cgi-bin/ezformc/" 
                  + (new Date()).getTime() + ".gif?image=1\" width=\"300\" "
                  + "height=\"100\" alt=\"\" />");
      document.write("</div><div id=\"captcha_txt\"> Please enter the letters and numbers shown above into the \"Security Code\" field.<br>");
      document.write("<a id=\"captcha_link\" href=\"\" "
                 + "onclick=\"update_captcha('captchaid'); return false;\">");
      document.write("Request a  new code");
      document.write("</a> If you are having trouble viewing the image.");
      document.write("</div>");
   }