<!--
function validate_form() {
  validity = true; // assume valid
				
  if (!check_empty(document.form.txtContactName.value))
        { validity = false; alert('Please enter your name'); }

  if (!check_email(document.form.txtEmail.value))
        { validity = false; alert('There may be an error in your e-mail address !'); }
		
  if (!(document.form.radProfession[0].checked || document.form.radProfession[1].checked || document.form.radProfession[2].checked || document.form.radProfession[3].checked || document.form.radProfession[4].checked || document.form.radProfession[5].checked || document.form.radProfession[6].checked))
        { validity = false; alert('Please select your profession'); }
		
  if ((document.form.radProfession[6].checked) && (!check_empty(document.form.txtOther.value)))
        { validity = false; alert('You have stated OTHER as your profession, but have omitted to tell us what it is'); }

  if (validity);
  return validity;
}

function check_empty(text) {
  return (text.length > 0); // returns false if empty
}

function checkchars(form) {

}

function check_email(address) {  if ((address == "")
    || (address.indexOf ('@') == -1)    || (address.indexOf ('.') == -1) || (address.indexOf (',') == 1) || (address.indexOf (';') == 1) || (address.indexOf ('/') == 1))
      return false;  return true;
}

// -->