<!--

function show(layName){
	if(navigator.appName.charAt(0)=="M"){
	document.all(layName).style.visibility="visible";
	}
	if(navigator.appName.charAt(0)=="N"){
		if(navigator.appVersion.charAt(0)>=5){
		document.getElementById(layName).style.visibility="visible";
		}
		else{
		document.layers[layName].visibility="visible";
		}
	}
}

function hide(layName){
	if( navigator.appName.charAt(0)=="M"){
	document.all(layName).style.visibility="hidden";
	}
	if(navigator.appName.charAt(0)=="N"){
		if(navigator.appVersion.charAt(0)>=5){
		document.getElementById(layName).style.visibility="hidden";
		}
		else{
		document.layers[layName].visibility="hide";
		}
	}

}

function area_hokka() {
	show('map01');
	hide('map02');
	hide('map03');
	hide('map04');
	hide('map05');
	hide('map06');
}

function area_tohoku() {
	hide('map01');
	show('map02');
	hide('map03');
	hide('map04');
	hide('map05');
	hide('map06');
}

function area_kanto() {
	hide('map01');
	hide('map02');
	show('map03');
	hide('map04');
	hide('map05');
	hide('map06');
}

function area_kinki() {
	hide('map01');
	hide('map02');
	hide('map03');
	show('map04');
	hide('map05');
	hide('map06');
}

function area_kyusyu() {
	hide('map01');
	hide('map02');
	hide('map03');
	hide('map04');
	show('map05');
	hide('map06');
}

function area_okinawa() {
	hide('map01');
	hide('map02');
	hide('map03');
	hide('map04');
	hide('map05');
	show('map06');
}

function area_close() {
	hide('map01');
	hide('map02');
	hide('map03');
	hide('map04');
	hide('map05');
	hide('map06');
}

// -->