比较不错的修改FCKEditor的修改方法

   // Try to get from the "Session".
   if ( sUserFilesPath == null || sUserFilesPath.Length == 0 )
   {
    sUserFilesPath = (string)Session["FCKeditor:UserFilesPath"] ;

    // Try to get from the Web.config file.
    if ( sUserFilesPath == null || sUserFilesPath.Length == 0 )
    {
     sUserFilesPath = System.Configuration.ConfigurationSettings.AppSettings["FCKeditor:UserFilesPath"] ;

     // Otherwise use the default value.
     if ( sUserFilesPath == null || sUserFilesPath.Length == 0 )
      sUserFilesPath = DEFAULT_USER_FILES_PATH ;

     // Try to get from the URL.
     if ( sUserFilesPath == null || sUserFilesPath.Length == 0 )
     {
      sUserFilesPath = Request.QueryString["ServerPath"] ;
     }
    }
   }