Skin

The following predefined skins are available:

dhx_skyblue (default)	dhx_blue	dhx_black

From the version 2.6 one more skin is available as well:

dhx_web

The skin for a layout you can set in the following way:

<script>
    // setting dhx_blue skin (the default one) 
    var dhxLayout = new dhtmlXLayoutObject("parentId", "3L");
    // or
    var dhxLayout = new dhtmlXLayoutObject("parentId", "3L", "dhx_blue");
    // setting dhx_black skin
    var dhxLayout = new dhtmlXLayoutObject("parentId", "3L", "dhx_black");
    // setting dhx_web skin
    var dhxLayout = new dhtmlXLayoutObject("parentId", "3L", "dhx_web");
</script>

You can create your own skin. Know more at http://dhtmlx.com/docs/products/skinBuilder/index.shtml?mn