window.addEvent('domready', function() {
	var imgArea = document.getElement('#arealink .arealink-map img');
	if (!imgArea)	return;
	var imgAreaOrg = new Image();
	imgAreaOrg.src = imgArea.src;
	var areaId = [ 'miyoshi', 'toyota', 'mizuho', 'minato', 'kasugai', 'nagoyawest', 'toyoyama', 'okazaki', 'kanayama', 'toyohashi', 'okazakisouth' ];
	var imgAreaSwt = areaId.map(function (id) {
		var img = new Image();
		img.src = imgAreaOrg.src.replace(/^(.+)(\.(gif|jpe?g|png))$/, '$1-' + id + '$2');
		return img;
	});
	$$('#arealink .arealink-list li a').each(function (el, idx) {
		el.addEvent('mouseenter', function (evt) {
			imgArea.src = imgAreaSwt[idx].src;
		}).addEvent('mouseleave', function (evt) {
			imgArea.src = imgAreaOrg.src;
		});
	});
});