context->id . " = " . $i . ";
var start_label_" . $this->context->id . " = " . $label . ";
$(document).on('click', '.add_field_" . $this->context->id . "', function() {
var block = $(this)
.siblings('.field_list');
var block_id = $(this).parent('fieldset');
++start_label_" . $this->context->id . ";
var sub_block = '