function validate() {
  mNv=EPABoardFeedback.submission.value;
  if (!(EPABoardFeedback.submission[0].checked || EPABoardFeedback.submission[1].checked)) {
    alert('Submission is a required field. Please select either individual or group and re-submit the feedback form.');
    event.returnValue=false;
  }
  else if (EPABoardFeedback.submission[0].checked && EPABoardFeedback.name.value == "") {
    alert('Please enter your name if sending an individual submission.');
	event.returnValue=false;
  }
  else if (EPABoardFeedback.submission[1].checked && EPABoardFeedback.organisation.value == "") {
    alert('Please enter your oganisation name if sending a group submission.');
	event.returnValue=false;
  }
  else if (EPABoardFeedback.COMMENTS.value == "") {
    alert('Please enter a comment.');
	event.returnValue=false;
  }
}