<div class="left">

<a href="zzcl/tjs/r_yhr.pdf" target="iframe1"><span class="s">◆ </span>尽管iu</a>

<a href="zzcl/tjs/r_yhr.pdf" target="iframe1"><span class="s">◆ </span>尽管i22</a>

       </div>

<div class="right">
                <iframe name="iframe1" width ="730" height="1000" src ="zzcl/tjs/r_yhr.pdf" >
                </iframe>
            </div>

//这样即可点击左边链接而右边显示对应内容