function populateFields(item){
  var recipient=document.getElementById('recipient');
  var person=document.getElementById('Name');
  var position=document.getElementById('Position');
  var tel=document.getElementById('Tel');
  var fax=document.getElementById('Fax');
  var contact=document.getElementById('contact_name');
  var contactposition=document.getElementById('contact_position');
  
  var idx=item.substring(1);
  
  recipient.value=contacts[idx]['id'];
  contact.innerHTML=contacts[idx]['name'];
  contactposition.innerHTML=position.value=contacts[idx]['position'];
  //tel.innerHTML=contacts[idx]['tel'];
  //fax.innerHTML=contacts[idx]['fax'];
}