<!-- SPAM PROTECTION --> 

function include(){
one = "enquiries";
two = "@";
three = "dmri";
four = ".co.uk";

spamprotected=(one + two + three + four);
document.write(spamprotected);
}

<!-- CONTACT FORM VALIDATION --> 

function validate_field(e,msg,regex){
  if(e.value.match(regex))
    return true;
  else
  {
    alert(msg);
    e.focus();
    return false;
  }
}
 
 
function validate_contact_form(){
  if(!validate_field(document.getElementById('contact-form-message'), 'Please enter a message', '^.+$')) return false;
  if(!validate_field(document.getElementById('contact-form-email'), 'Please enter a valid e-mail address', '^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$')) return false;
 
  return true;
}