// create field
                $args = array('group_id' => $group_id, 'rule_id' => $rule_id, 'name' => 'spu_rules[' . $group_id . '][' . $rule_id . '][param]', 'value' => $rule['param']);
                Spu_Helper::print_select($args, $choices);
                ?>
</td>
					<td class="operator"><?php 
                $choices = array('==' => __("is equal to", 'popups'), '!=' => __("is not equal to", 'popups'));
                // allow custom rules rules
                $choices = apply_filters('spu/metaboxes/rule_operators', $choices);
                $args = array('group_id' => $group_id, 'rule_id' => $rule_id, 'name' => 'spu_rules[' . $group_id . '][' . $rule_id . '][operator]', 'value' => $rule['operator']);
                Spu_Helper::print_select($args, $choices);
                ?>
</td>
					<td class="value"><?php 
                $args = array('group_id' => $group_id, 'rule_id' => $rule_id, 'value' => !empty($rule['value']) ? $rule['value'] : '', 'name' => 'spu_rules[' . $group_id . '][' . $rule_id . '][value]', 'param' => $rule['param']);
                Spu_Helper::ajax_render_rules($args);
                ?>
</td>
					<td class="add">
						<a href="#" class="rules-add-rule button"><?php 
                _e("and", 'popups');
                ?>
</a>
					</td>
					<td class="remove">
						<a href="#" class="rules-remove-rule rules-remove-rule">-</a>
					</td>
					</tr>
					<?php 
            }
            ?>