             'content':
                 'dom':
                     parent.tile.value.content.dom
-                    .attr 'class', 'tael-node-branch-' + orientation_loc_substr
+                    .attr 'class', 'tael-node-branch-' + orient_loc_substr
             'layout':
                 'orientation': orientation
                 'divider_location': 0.5

        newTile tiles, tile[0], tile[1]

    moveBranchDivider tiles, 3, 1.0 / 3
    moveBranchDivider tiles, 5, 0.5

        emptyInnerHtml parent.tile.value.content.dom

        orient_loc_substr = (parent.tile.value.content.dom.attr 'class')
            .split('-')
            .pop()

