Discuz!内置toggle函数使用教程

<!--{if $_G['page'] == 1 && $_G['forum']['rules']}-->
<span class="o">
![]({IMGDIR}/collapsed_{$collapse[forum_rulesimg]}.gif)
</span>
<!--{/if}-->

<!--{if $_G['page'] == 1 && $_G['forum']['rules']}-->
<div id="forum_rules_{$_G[fid]}" style="$collapse['forum_rules'];">
        <div class="ptn xg2">
                $_G['forum'][rules]
        </div>
</div>
<!--{/if}-->