<![CDATA[
<body>
<div id="parentId"></div>
</body>
<script>
// initialization through objectId
var dhxLayout = new dhtmlXLayoutObject("parentId", "3L");
// OR
// initialization through object
var obj = document.getElementById("parentId");
var dhxLayout = new dhtmlXLayoutObject(obj, "3L");
</script>
]]>