DEDE添加迅雷专用链接（半迅雷化）

半迅雷化专用链接，原来的地址仍然会显示，不利于隐藏真实下载地址，真实下载地址可直接通过源文件看到内容代码/templets/system/channel/channel_downlinks.htm文件<script language="javascript">var thunder_url = "~link~";var thunder_pid = "29416";var restitle = "";document.write('<a href="#" thunderHref="' + ThunderEncode(thunder_url) + '" thunderPid="' + thunder_pid + '" thunderResTitle="' + restitle + '" onClick="return OnDownloadClick_Simple(this,2,4)" oncontextmenu="ThunderNetwork_SetHref(this)">迅雷专用高速下载</a> ');</script>加/templets/plus/download_links_templet.htm文件<script src="http://pstatic.xunlei.com/js/webThunderDetect.js"></script><script src="http://pstatic.xunlei.com/js/base64.js"></script>