private void buildUI() {
shell.setText("Tomcat Multi Instances - Waxayaz 2011");
shell.setLayout(new FillLayout());
sashForm = new SashForm(shell, SWT.HORIZONTAL);
InstancesTree tree = new InstancesTree(sashForm);
tabPane = new InstanceTabPane(sashForm);
tree.setTabPane(tabPane);
sashForm.setWeights(new int[]{20, 80});
buildMenuBar();