百度文库显示PPT和word的方法代码

百度文库显示PPT和word的方法是怎么实现的？能提供源代码吗？

<div id="doc_reader"><div id="reader_wrap_TANGRAM$3" style="height: 300px; "><div id="reader_tools_TANGRAM$3" class="reader_tools_bar"></div><div id="reader_box_TANGRAM$3" style="height: 300px; "><div id="reader_container_TANGRAM$3" style="height:100%;"><object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" id="reader_TANGRAM$3" width="100%" height="100%" align="middle"><param name="bgcolor" value="#FFFFFF"><param name="wmode" value="window"><param name="allowfullscreen" value="true"><param name="movie" value="/static/flash/reader.swf"><param name="flashvars" value="docurl=http%3A%2F%2Fai.wenku.baidu.com%2Fplay&amp;docid=a61ee4c38bd63186bcebbce7&amp;fpn=5&amp;npn=5&amp;bookmark=0&amp;ext=doc&amp;readertype=internal&amp;newmark=0%7C0&amp;catal=0&amp;cdnurl=http%3A%2F%2Fai.wenku.baidu.com%2Fplay&amp;cid=142&amp;cid1=3&amp;cid2=175&amp;cid3=142"><embed width="100%" height="300" ver="10.0.0" bgcolor="#FFFFFF" wmode="window" allowfullscreen="true" align="middle" flashvars="docurl=http%3A%2F%2Fai.wenku.baidu.com%2Fplay&amp;docid=a61ee4c38bd63186bcebbce7&amp;fpn=5&amp;npn=5&amp;bookmark=0&amp;ext=doc&amp;readertype=internal&amp;newmark=0%7C0&amp;catal=0&amp;cdnurl=http%3A%2F%2Fai.wenku.baidu.com%2Fplay&amp;cid=142&amp;cid1=3&amp;cid2=175&amp;cid3=142" src="/static/flash/reader.swf" name="reader_TANGRAM$3" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer"></object></div></div></div></div>