'js' => '            
            var rows = '.json_encode([
                1   => array_merge(range(101, 111), [198]),
                2   => [201, 202, 203, 204, 205, 298],
                3   => array_merge(range(301, 314), [398]),
                4   => array_merge(range(401, 405), [498]),
                5   => array_merge(range(501, 504), [598]),
                6   => array_merge(range(601, 609), [698]),
                7   => [701, 702, 798],
                8   => [801,802, 898],
            ]).';
           
            $headers = [];
            for (key in rows) {
                $headers.push($("tr[rnum=" + key + "]"));
                
                var row = rows[key];
                $(row).each(function (index, item) { 
                    $("[rnum=" + item + "]").css({"font-weight": "200", "border-top": "none"}).hide()
                    .prepend("<td style=\"width: 35px\">&nbsp;</td>");
                });
            }
            $(".pr-cell-head").attr("colspan", 2);
            
            $($headers).each(function (index, item) {
                var $item = $(item);
           	    $item.css("font-weight", "bold")
           	    .find("td:first").html("<span>+</span><span hidden>-</span>");
            
                $(item).on("click", function () {
                    var $this = $(this),
                        rnum = +$this.closest("[rnum]").attr("rnum"),
                        cnum = +$this.closest("[cnum]").attr("cnum"),
                        flag = $("[rnum=" + rnum + "] td:first");
                        
                    flag.find("span").toggle();
                    var toToggle = rows[rnum];
                    $(toToggle).each(function (key, val) {
                        $("[rnum=" + val + "]").toggle();
                    });
                });
            });
        ',
        'css' => '
            pr-question-main td[cnum] { width: 35px !important }
        ',