public ImagePanel(final String id, final ImageDef imageDef, final String tooltip) {
super(id, null);
addImage(new TooltipImage(IMAGE_ID, imageDef.getPath(), tooltip));
}
public ImagePanel(final String id, final ImageDef imageDef) {
super(id, null);
addImage(new PresizedImage(IMAGE_ID, imageDef.getPath()));
}