function detect_browser() {

  var msie = navigator.appVersion.indexOf("MSIE")!= -1;
  
  if ((msie)) {
    return true;
  } else {
    return false;
  }
}

function toggle(id) {
  
  var block;
  
  block = document.getElementById('faq_'+id).style.display;
  
  if(block == 'none') {
    if(detect_browser() == true) {
      
      document.getElementById('faq_'+id).style.display = 'block';
    } else {
      document.getElementById('faq_'+id).style.display = 'table-row';
    }
    document.getElementById('faq_q_'+id).className = 'faq_block';
  } else {
    document.getElementById('faq_'+id).style.display = 'none';
    document.getElementById('faq_q_'+id).className = 'faq_none';
  }

}

function show_deladdress() {

  var address;
  
  address = document.getElementById('deliver_address').style.display;
  
  if(address == 'none') {
    document.getElementById('deliver_address').style.display = 'block';
  } else {
    document.getElementById('full_name_del').value='';
    document.getElementById('invoice_address_1_del').value='';
    document.getElementById('invoice_address_2_del').value='';
    document.getElementById('postal_town_del').value='';
    document.getElementById('post_code_del').value='';
    document.getElementById('contact_number_del').value='';
    document.getElementById('deliver_address').style.display = 'none';
  }

}