function validateForm(form) {
  var warn = "";

  if (form.title.value == '') {
    warn += "Job Title is required\n";
  }
  if (form.sector.value == '') {
    warn += "Job Sector is required\n";
  }
  if (form.establishment.value == '') {
    warn += "Establishment Name is required\n";
  }
  if (form.address.value == '') {
    warn += "Address is required\n";
  }
  if (form.postcode.value == '') {
    warn += "Postcode is required\n";
  }

  if(warn != "") {
    alert(warn);
    return false;
  } else {
    return true;
  }

}

function validateIndex(form) {
	
  var warn = "";

  if (form.name.value == '') {
    warn += "Surname is required\n";
  }
  if (form.id.value == '') {
    warn += "Subscriber ID is required\n";
  }
 
  if(warn != "") {
    alert(warn);
    return false;
  } else {
    return true;
  }
	
}