<div id="menu_zone" style="width:600; height:50;"/>
<script>
 
        //init menu
        aMenuBar=new dhtmlXMenuBarObject('menu_zone','100%',30,"Demo menu");
        // set processing function
        aMenuBar.setOnClickHandler(onButtonClick);
        //load menu from xml
        aMenuBar.loadXML("_menu.xml")
        //show menu
        aMenuBar.showBar();
        
        //add new button
        aMenuBar.addItem(parentPanel,
            new dhtmlXMenuItemObject(newId,newName, width, imgsrc))
        //delete button 
        aMenuBar.removeItem(itemId);</script>