function formvalidator()
{
  var form = document.getElementById("enquiryform")
  if(form.forename.value == "" || form.surname.value == "" || form.email.value == "" || form.message.value == "" || form.message.value == "Please enter your message here.")
  {
    alert("Please ensure that you have filled all required fields (\"Forename\", \"Surname\", \"E-mail\" and \"Message\").")
    return false
  }
  else
  {
    return true
  }
}