w2ui scroll columns

HTML

<script src="https://rawgit.com/vitmalina/w2ui/master/dist/w2ui.min.js"></script>
<link rel="stylesheet" href="https://rawgit.com/vitmalina/w2ui/master/dist/w2ui.css">
<div id="grid" style="width: 100%; height: 350px;"></div>

JavaScript

$('#grid').w2grid({
    name: 'grid',
    show: {
        lineNumbers: true,
        toolbar: true,
        footer: true,
        toolbarReload: true,
        toolbarColumns: false
    },
    columns: [
        {
            "field": "FechaAlbaran",
            "caption": "Mes",
            "size": 100,
            "min": "100",
            "sortable": true,
            "resizable": true
        },
        {
            "field": "2000",
            "caption": "2000",
            "size": "130px",
            "attr": "align=center",
            render: function (record, index, column_index) {
                var html = "";
              	var rowStyle = "";
              	var fieldName = this.columns[column_index].field;
             	  var item = record[fieldName];
              	if (item.toString().indexOf("-") !== -1) {
                	rowStyle = "style='color: red; font-weight:bold;'";
                }
              	html = "<span " + rowStyle + ">" + item + "</span>";
                return html;
            }
        },
        {
            "field": "2001",
            "caption": "2001",
            "size": "130px",
            "attr": "align=center",
            render: function (record, index, column_index) {
                var html = "";
                try {
                    var rowStyle = "";
                    var fieldName = this.columns[column_index].field;
                    var item = record[fieldName];
                    if (item.toString().indexOf("-") !== -1)
                        rowStyle = "style='color: red; font-weight:bold;'";
                    html = "<span " + rowStyle + ">" + item + "</span>";
                }catch (e) {
                    console.error(record);
                    console.error(index);
                    console.error(column_index);
                }

                return html;
            }
        },
        {
            "field": "2002",
            "caption": "2002",
            "size": "130px",
   ...