<!--
// Checks if the field content has the general syntax of an email address.
function validate_email(field,alerttxt)
{
  with (field)
  {
    apos=value.indexOf("@");
    dotpos=value.lastIndexOf(".");
    if (apos<1||dotpos-apos<2) 
    {
      alert(alerttxt);return false;
    }
    else
    {
      return true;
    }
  }
}
//-->