}
if (currentUiExtension != uiExtension) {
try {
document.addOverlay(uiExtension.getOverlayPath());
uiExtension.onLoad();
bindingFactory.setBindingType(Binding.Type.ONE_WAY);
bindingFactory.createBinding(uiExtension, "modified", "apply_agg_btn", "!disabled");
bindingFactory.createBinding(uiExtension, "modified", "reset_agg_btn", "!disabled");