function CheckDuplicationFriends(){
  var email_list = [];
  jQuery('#save_recipient').click(function(){
    jQuery('input[id*="email"]').each(function(index, el){
      email_list[index] = jQuery(el).val();
      console.log(email_list);
     });
    jQuery.ajax({
      type:'POST',
      url: '/shop/ticket/friends/confirm/',
      dataType: 'json',
      data: {
        'ticketproductid': jQuery('#productid').val(),
        'email_list': email_list

      },
      success: function(data){
        jQuery('#quantity_product_form').submit()
      }
      errors: function(data){
        jQuery('#quantity_error').text(data.error_list.toString())
      }
    })

  });
  // return false;
}