function validatecomments(formNode){
  var formValidatorInstance = new FormValidator(formNode);
  formValidatorInstance.addRule('firstname','Please enter your first name','required');
  formValidatorInstance.addRule('firstname','Please enter your first name','lettersonly');
  formValidatorInstance.addRule('lastname','Please enter your last name','required');
  formValidatorInstance.addRule('lastname','Please enter your last name','lettersonly');
  formValidatorInstance.addRule('email','Please enter your primary email address','required');
  formValidatorInstance.addRule('email','Please enter your primary email address','email');
  formValidatorInstance.addRule('email2','Please re-enter your primary email address','required');
  formValidatorInstance.addRule('email2','Please re-enter your primary email address','email');
  formValidatorInstance.addRule('email2','Your email addresses do not match','compare','email');

  formValidatorInstance.addRule('reason','Please select what you are interested in','required');
  
  return formValidatorInstance.validate(); 
}