function remove_whitespace(s)
{
  return s.replace(/^[\r\t\n\s]*/, "").replace(/[\r\t\n\s]*$/, "");
}

function check_email(email)
{
  var email_reg = /^\w+[\.\-\w]+?\w+@\w+[\.\-\w]+?(\.\w{2,4})+$/;
  return email_reg.test(email);
}

function check_form(form)
{
  form.elements["name"].value = remove_whitespace(form.elements["name"].value);
  form.elements["email"].value = remove_whitespace(form.elements["email"].value);
  form.elements["subject"].value = remove_whitespace(form.elements["subject"].value);
  form.elements["comments"].value = remove_whitespace(form.elements["comments"].value);
  if (form.elements["name"].value == "")
  {
    return form_field_error(form,"name","Your Name");
  }
  if (!check_email(form.elements["email"].value))
  {
    return form_field_error(form,"email","Email");
  }
  if (form.elements["subject"].value == "")
  {
    return form_field_error(form,"subject","Subject");
  }
  if (form.elements["comments"].value == "")
  {
    return form_field_error(form,"comments","Message");
  }
  return true;
}

function form_field_error(form, field_name, field_display)
{
  alert("The following field is invalid:\n\n"+ field_display + "\n\nPlease re-enter this field now.");
  form.elements[field_name].focus();
  if (form.elements[field_name].type != 'select-one') { form.elements[field_name].select(); }
  return false;
}

function contactform(redirect_url)
{
  document.writeln('<table width="100%" border="0" align="center" cellpadding="10" cellspacing="0">\
  <tr>\
  <td width="76%" align="justify" valign="top">\
  <form action="/cgi-bin/contact/contact.cgi" method="POST" name="contact_form" onSubmit="return check_form(this)">\
  <input type=hidden name=type value="send">\
  <input type=hidden name=site_type value="general">\
  <input type=hidden name=sub_type value="">\
  <input type=hidden name=redirect value="'+ redirect_url +'">\
  <table width="100%" border="0" align="center" cellspacing=4 cellpadding=5>\
  <tr valign="middle">\
  <td align="right" valign="middle"><font class=contact_text><b>Name</b>:&nbsp;</font></td>\
  <td>\
  <input type="text" name="name" size="45" maxlength="32" value="">\
  </td>\
  </tr>\
  <tr valign="middle">\
  <td align="right" valign="middle"><font class=contact_text><b>Email</b>:&nbsp;</font></td>\
  <td>\
  <input type="text" name="email" size="45" maxlength="128" value="">\
  </td>\
  </tr>\
  <tr valign="middle">\
  <td align="right" valign="middle"><font class=contact_text><b>Subject</b>:&nbsp;</font></td>\
  <td>\
  <input type="text" name="subject" size="45" maxlength="128" value="">\
  </td>\
  </tr>\
  <tr valign="top">\
  <td align="right" valign="middle"><font class=contact_text><b>Message</b>:&nbsp;</font></td>\
  <td>\
  <textarea cols="34" rows="6" name="comments"></textarea>\
  </td>\
  </tr>\
  <tr>\
  <td colspan="2" align="center"><br><input name="submit" type="submit" class="submit_button" value="Submit"></td>\
  </tr></form>\
  </table>\
  </td>\
  </tr>\
  </table>');
}