<toolbaritem id="systems" persist="width">
<menulist minwidth="100" width="100" id="selsystem" disabled="true">
  <menupopup id="form_system"></menupopup>
</menulist>
</toolbaritem>

var sysmenu = document.getElementById('form_system');
	if(sysmenu.firstChild){
		sysmenu.firstChild.nodeValue=null;
	}
	var xmlItems= xmlDATA.getElementsByTagName("item");
	i=0;
	while(xmlItems[i]){
		var label= xmlItems[i].getElementsByTagName("label")[0].firstChild.textContent;
		var tempItem = document.createElement("menuitem");
		tempItem.setAttribute("label", label);
		tempItem.setAttribute("value", i);
		sysmenu.appendChild(tempItem);
		i++;
	}