function contact_type(drop_down,input) {
  var general = document.getElementById('display_general');
  var delivery = document.getElementById('display_delivery');
  var fotter = document.getElementById('display_contact_fotter');
  
  if (!input) {
    drop_down = drop_down.value;
  }
  
  if (drop_down == 'general') {
	general.style.display = 'block';
	delivery.style.display = 'none';
	fotter.style.display = 'block';
  }
  if (drop_down == 'delivery') {
	general.style.display = 'none';
	delivery.style.display = 'block';
	fotter.style.display = 'block';
  }
  if (drop_down == '') {
	general.style.display = 'none';
	delivery.style.display = 'none';
	fotter.style.display = 'none';
  }
}