// hbox.setStyle("backgound-color: " + bgColorInner);
hbox.setParent(gb);
// ToolbarButton for expanding the menutree
toolbarbutton = new Toolbarbutton();
hbox.appendChild(toolbarbutton);
toolbarbutton.setId("btnMainMenuExpandAll");
toolbarbutton.setImage("/images/icons/folder_open_16x16.gif");
toolbarbutton.setTooltiptext(Labels.getLabel("btnFolderExpand.tooltiptext"));
toolbarbutton.addEventListener("onClick", new EventListener() {
@Override