<script>
 
    
    aMenuBar=new dhtmlXMenuBarObject('menu_zone','100%',30,"Demo menu");
    aMenuBar.setOnClickHandler(onButtonClick);
    aMenuBar.loadXML("_menu.xml")
    aMenuBar.showBar();
    
    XML 
    -------------------------
    <MenuItem name="Google" id="main_b1" href="http://www.google.com" target="_blank" /></script>