anchor.diff:    var header = this.$el.find('.header').val();
     var table = $('<table></table>')
     var caption = $("<caption></caption>")
  +  var thead = $("<thead></thead>")
     var tbody = $("<tbody></tbody>")
     var tr = "";
     for (var i = 0; i < height; i++) {
  -    tr = tr + "<tr>";
  +    tr = "<tr>";
       for (var j = 0; j < width; j++) {
         if (header == "top") {
           if (i == 0) {
  
positive.code:         }
          return false;
        }
        if (table[0].rows[i + 1].cells[cellIndex].tagName == "TH") {
          alert("<%= I18n.t("cms.column_table.cant_append_left") %>");
          this.addControlTable();
          var tableMenu = $('.table-menu');
  
negative.code: 
  Cms_Column_Table.prototype.removeTds = function () {
    var cellIndex = this.tableDom[0].cellIndex;
    var thead = this.tableDom.parents('table').find('thead');
    var tbody = this.tableDom.parents('table').find('tbody');
    for (var i = 0; i < tbody[0].rows.length; i++) {
      $(tbody[0].rows[i].cells[cellIndex]).remove();
    }
    if (thead.length > 0) {
      for (var i = 0; i < thead[0].rows.length; i++) {
        $(thead[0].rows[i].cells[cellIndex]).remove();
      }
    }
  };
  
  