Button btnRefresh = new Button();
btnRefresh.setId("btnSelectYoutubeSong");
btnRefresh.setSclass("oT_ButtonForPanelWithIcon");
btnRefresh.setImage("/images/icons/refresh_green_16x16.gif");
btnRefresh.setTooltiptext(Labels.getLabel("btnRefresh.tooltiptext"));
btnRefresh.addEventListener("onClick", new BtnClickListener());
btnRefresh.setParent(hboxSameButtonsHeight);
// END Buttons Toolbar/Timer
// body
Borderlayout bl = new Borderlayout();