function uploadFileView($param = NULL)
 {
     $this->content = "admin/uploadFile.php";
     $this->header = "sidebar.php";
     $this->commonCSS = "common-with-sidebar.css";
     $this->extraCSS = array("admin/upload-file.css");
     $this->extraJS = array("jquery-2.1.3.js", "jquery-ui.js");
     $userOperator = new UserBatchOperator();
     $param["username"] = $userOperator->getUsername();
     ksort($param["username"]);
     $param["fileCategory"] = $userOperator->getFileCategory();
     $this->view($param);
 }