item.php에서 장바구니 기능 추가

function pg_anchor($anc_id) {    </ul>    global $item_use_count, $item_qa_count, $item_relation_count, $cart_img; ?>    <ul class="sanchor">        <li><a <?php if ($anc_id == 'inf') echo 'class="sanchor_on"'; ?> href="#sit_inf" >상품정보</a></li>        <?php if ($default['de_baesong_content']) { ?><li><a <?php if ($anc_id == 'dvr') echo 'class="sanchor_on"'; ?> href="#sit_dvr" >배송정보</a></li><?php } ?>        <li><a  href="#sit_use" <?php if ($anc_id == 'use') echo 'class="sanchor_on"'; ?> >포토후기 <span class="item_use_count"><?php echo $item_use_count; ?></span></a></li>        <li><a  href="#sit_qa" <?php if ($anc_id == 'qa') echo 'class="sanchor_on"'; ?> >자주하는 질문 <span class="item_qa_count"><?php echo $item_qa_count; ?></span></a></li>        <?php if ($default['de_change_content']) { ?><li><a  href="#sit_ex" <?php if ($anc_id == 'ex') echo 'class="sanchor_on"'; ?>>교환정보</a></li><?php } ?>        <?php //if($default['de_rel_list_use']) { ?>       <!-- <li><a class="arctic_scroll6" href="#sit_rel" >관련상품 <span class="item_relation_count"><?php //echo $item_relation_count; ?></span></a></li>-->        <?php //} ?>    <li><input type="image" src="<?php echo G5_IMG_URL;?>/btn/product_btn_cart2_s.png" onclick="document.pressed=this.value;" value="장바구니" id="sit_btn_cart"></li>            </ul>​