DefaultListModel model1 = (DefaultListModel) instanceList.getModel();
for (int j = 0; j < webPanels.length; j++) {
if (j != panelIndex) {
JList list = webPanels[j].instanceList;
DefaultListModel model2 = (DefaultListModel) list.getModel();
model2.clear();
int n = model1.getSize();
for (int i = 0; i < n; i++)
model2.addElement(model1.get(i));
list.setSelectedIndices(new int[] {});
webPanels[j].enableButtons(list);