Required library edition:
Required library file: dhtmlxtoolbar.js

loads data to object from xml string

• xmlString - xml string with data to load
• onLoadFunction - function to call after data will loaded

    var xmlStr = "<toolbar><item id='item_a' text='text_a'/><item id=...";
    toolbar.loadXMLString(xmlStr, function(){
        // code here
    });
    // or
    function doOnLoad(){
        // code here
    }
    toolbar.loadXMLString(xmlStr, doOnLoad);