//index

function changeMap (mode) {
	if (mode == 'area') {
		changeClass(document.getElementById('mapArea'), 'modeOn');
		changeClass(document.getElementById('mapTrf'), 'modeOff');
	} else {
		changeClass(document.getElementById('mapArea'), 'modeOff');
		changeClass(document.getElementById('mapTrf'), 'modeOn');
	}
}

function areaPopOn (id) {
	if (document.getElementById('area_' + id)) {
		document.getElementById('area_' + id).className = 'boxOn';
	}
	document.getElementById('areaMap').src = './images/index/area_map_' + id + '.jpg';
}

function areaPopOff () {
	var areaArray = Array('shibuya', 'meguro', 'yebisu', 'aoyama', 'akasaka', 'shinbashi', 'azabu', 'shiba', 'shirokane', 
	'bay', 'chiyoda', 'ningyocho', 'nihonbashi', 'tsukiji', 'ginza', 'tsukishima', 'shinagawa', 'toyosu', 'other_koto');

	for (var buffer01 = 0; areaArray[buffer01]; buffer01++) {
		if (document.getElementById('area_' + areaArray[buffer01])) {
			document.getElementById('area_' + areaArray[buffer01]).className = 'boxOff';
		}
	}
	document.getElementById('areaMap').src = './images/index/area_map.jpg';
}

function areaRollPreLoad () {
	var areaArray = Array('shibuya', 'meguro', 'yebisu', 'aoyama', 'akasaka', 'shinbashi', 'azabu', 'shiba', 'shirokane', 
	'bay', 'chiyoda', 'ningyocho', 'nihonbashi', 'tsukiji', 'ginza', 'tsukishima', 'shinagawa', 'toyosu', 'other_koto');

	var imgArray = Array();
	for (var buffer01 = 0; areaArray[buffer01]; buffer01++) {
		var img = new Image();
		img.src = './images/index/area_map_' + areaArray[buffer01] + '.jpg';
		imgArray.push(img);
	}
}