text: limit_obj = $("#limit_user_num_display");
  	if(limit_obj.text() == ""){
  		limit_obj.parent().html("");
  	}
  
  ;(function($) {
      'use strict';
      $.fn.nullRemove = function(options) {
          var settings = $.extend({
              'target_obj': 'tr'
          }, options),
  
              trimJ = function(text) {
                  var rtrim = /^(\s|\u00A0|\u3000)+|(\s|\u00A0|\u3000)+$/g;
                  return (text || "").replace(rtrim, "");
              },
  
              trimScrioptText = function($obj) {
                  var $script = $obj.find('script'),
                      no_script_text = $obj.text();
  
                  if ($script.size() > 0) {
                      no_script_text = no_script_text.replace($script.text(), '');
                  }
  
                  return no_script_text;
              },
  
              trim = function($obj) {
                  var trimed_text = '';
                  trimed_text = trimScrioptText($obj);
                  trimed_text = trimJ(trimed_text);
  
                  return trimed_text;
              };
  
          return this.each(function() {
              var $this = $(this),
                  pureText = trim($this);
  						var image = $this.find('img').length; //画像チェック
  
              if (pureText === "" && settings.target_obj !== 'this' && image === 0) {
                  $this.parents(settings.target_obj).remove();
              } else if (pureText === "" && settings.target_obj === 'this' && image === 0) {
                  $this.remove();
              }
          });
      };
  }(jQuery));
  