jQuery.cntdir = function(){

      var str_uri = location.href;
      var ary_uri = new Array();
      var cnt_ary_uri;
      var str_crt_dir;

      ary_uri = str_uri.split("/");            //「/」でスプリット
      cnt_ary_uri = ary_uri.length;            //配列の数をカウント
      str_crt_dir = ary_uri[cnt_ary_uri - 2];  //配列の後ろから２つ目の値を取得

      return str_crt_dir;

	}();