countryCodeField.setImageURLSuffix(".png");
ListGridField nameField = new ListGridField("countryName", "Country");
ListGridField governmentField = new ListGridField("government", "Government", 120);
governmentField.setShowHover(true);
governmentField.setHoverCustomizer(new HoverCustomizer() {
public String hoverHTML(Object value, ListGridRecord record, int rowNum, int colNum) {
CountryRecord countryRecord = (CountryRecord) record;
int governmentDesc = countryRecord.getGovernmentDesc();
return governmentDescription[governmentDesc];
}