連接到同一頁面用浮動iframe

  <div class="left">

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

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

       </div>

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

//這樣便可點擊左邊連接而右邊顯示對應內容