var button2 = new qx.ui.form.Button("Close", "org.argeo.security.ria/window-close.png", commands["close"].command);
this.buttonGB.add(button);
this.buttonGB.add(button2);
var button2 = new qx.ui.form.Button("Close", "org.argeo.security.ria/window-close.png", commands["close"].command);
this.buttonGB.add(button);
this.buttonGB.add(button2);