function showHideFeatured() {
	var show = $("filter-rent").checked ? "featured-letting" : "featured-sale";
	$("featured-letting").hide();
	$("featured-sale").hide();
	$(show).show();
	$("telephone").update(show == "featured-letting" ? "655 275" : "655 222");
	$("exclude").update("Exclude "+(show == "featured-letting" ? "let agreed" : "under offer")+" properties");
}
Event.observe(window, "load", function() {
		if ($("filter-rent")) {
			$("filter-buy").observe("change", showHideFeatured);
			$("filter-rent").observe("change", showHideFeatured);
			showHideFeatured();
		}
		var els = $$("div.form_error");
		if (els.length)
			els[0].scrollTo();
});