document.write("<img src='../Images/tree_folder3.gif' width='15' height='15' valign='abvmiddle'><a href='/DownLoad/ShowClass.asp?ClassID=19' title='' target='_top'><b>源码下载</b></a><br><img src='../Images/tree_folder3.gif' width='15' height='15' valign='abvmiddle'><a href='/DownLoad/ShowClass.asp?ClassID=22' title='' target='_top'><b>软件下载</b></a><br>");