<script type="text/javascript" src="../../codebase/dhtmlxcommon.js"></script>
<script type="text/javascript" src="../../codebase/dhtmlxtoolbar.js"></script>
<link rel="stylesheet" type="text/css" href="../../codebase/skins/dhtmlxtoolbar_dhx_skyblue.css"></link>
 
<div id="toolbarObj"></div>
<div style="margin-top: 200px;">
<select id="sel"></select>
<input id="wdth" type="text" style="width: 40px;" value="80">
<input type="button" value="Set Width" onclick="setWidth();">
</div>
<script>
var sel = document.getElementById("sel");
var toolbar = new dhtmlXToolbarObject("toolbarObj");
toolbar.setIconsPath("../common/imgs/");
toolbar.loadXML("../common/dhxtoolbar_buttonselect.xml?etc=" + new Date().getTime(), updateList);
function getId() {
    var id = sel.options[sel.selectedIndex].value;
    return id;
}
function setWidth() {
    var id = getId();
    var wdth = Number(document.getElementById("wdth").value);
    toolbar.setWidth(id, wdth);
}
function updateList() {
    sel.options.length = 0;
    toolbar.forEachItem(function(itemId) {
        if (toolbar.getType(itemId) == "buttonSelect") {
            sel.options.add(new Option(itemId, itemId));
        }
    });
}</script>