function getReferralName() {
var myReferral = document.contactform.hearaboutus;
var typeReferral = myReferral.options[myReferral.selectedIndex].text;

if (typeReferral == "Referral"){
  object=document.getElementById('contactLayer');
  object.style.visibility="visible";
  document.contactform.mp_contact_who.focus();
}
else {
  object=document.getElementById('contactLayer');
  object.style.visibility="hidden";
}

}