insert every 3 column inside a row

js

fixColHeight = function () {
    if ($('.page-search.page-search-node').length) {
      var $container = $(".node-search-results");
      var $cols = $container.find(".row > div").detach();
      $container.empty();
      for(var i = 0; i < $cols.length; i++) {
      	if (i % 3 == 0) {
      		$container.append($("<div>").addClass("row"));
      	}
      	$container.find(".row").last().append($cols.eq(i));
      }
    }
}