单机版的 弹出文件选择框JS

<script language="javascript" type="text/javascript">
              function BrowseFolder()
         {
             try
             {
                var Message = "请选择文件夹";  //选择框提示信息
                var Shell = new ActiveXObject( "Shell.Application" );
                //var Folder = Shell.BrowseForFolder(0,Message,0x0040,0x11);//起始目录为：我的电脑
                var Folder = Shell.BrowseForFolder(0,Message,0); //起始目录为：桌面
                if(Folder != null)
                {
                    //debugger;
                    Folder = Folder.items();  // 返回 FolderItems 对象
                    Folder = Folder.item();  // 返回 Folderitem 对象
                    Folder = Folder.Path;   // 返回路径
                   
                    if(Folder.charAt(Folder.length-1) != "\\")
                    {
                        Folder = Folder + "\\";
                    }
                                  return Folder;
                }
            }
            catch(e)
            {
                alert(e.message);
            }

       }
    </script>