function select_enquiry_type(type) {
 var f = document.getElementById('special_enquiry_field');
 var l = document.getElementById('special_enquiry_label');
 if(type==1) {
  //f.style.display = 'block';
  l.innerHTML = 'Location of survey*:';
 }
 else if(type==2) {
  //f.style.display = 'block';
  l.innerHTML = 'Details of problem*:';
 }
 else if(type==3) {
  //f.style.display = 'block';
  l.innerHTML = 'Contact and industry details*:';
 }
 else if(type==4) {
  //f.style.display = 'block';
  l.innerHTML = 'Type of industry*:';
 }
 else {
  l.innerHTML = 'Enquiry/Message*:';
 }
}