document.observe('dom:loaded', function() {
	if ($('layoutSwitchWinter')) {
		$('layoutSwitchWinter').observe('click', switchToWinter);
	}
	if ($('layoutSwitchSummer')) {
		$('layoutSwitchSummer').observe('click', switchToSummer);
	}
});

function switchToWinter(event) {
	__switchToLayout(event, 'winter');
}

function switchToSummer(event) {
	__switchToLayout(event, 'summer');
}

function __switchToLayout(event, layout) {
	event.stop();
	window.location.href = window.location.href + '?switchToLayout=' + layout;
}