function rollOnA (imgName) {
		document.getElementById(imgName).src = "images/map/zenkoku/tokyo.gif";
	}
function rollOnB (imgName) {
		document.getElementById(imgName).src = "images/map/zenkoku/kanagawa.gif";
	}
function rollOnC (imgName) {
		document.getElementById(imgName).src = "images/map/zenkoku/chiba.gif";
	}
function rollOnD (imgName) {
		document.getElementById(imgName).src = "images/map/zenkoku/saitama.gif";
	}
function rollOnE (imgName) {
		document.getElementById(imgName).src = "images/map/zenkoku/ibaraki.gif";
	}
function rollOnF (imgName) {
		document.getElementById(imgName).src = "images/map/zenkoku/gunma.gif";
	}
function rollOnG (imgName) {
		document.getElementById(imgName).src = "images/map/zenkoku/oosaka.gif";
	}
function rollOnH (imgName) {
		document.getElementById(imgName).src = "images/map/zenkoku/hyougo.gif";
	}
function rollOnI (imgName) {
		document.getElementById(imgName).src = "images/map/zenkoku/yamanashi.gif";
	}
function rollOnJ (imgName) {
		document.getElementById(imgName).src = "images/map/zenkoku/shizuoka.gif";
	}
function rollOnK (imgName) {
		document.getElementById(imgName).src = "images/map/zenkoku/aichi.gif";
	}
function rollOnL (imgName) {
		document.getElementById(imgName).src = "images/map/zenkoku/kyouto.gif";
	}
function rollOnM (imgName) {
		document.getElementById(imgName).src = "images/map/zenkoku/nara.gif";
	}

function rollOut (imgName) {
		document.getElementById(imgName).src = "images/map/spacer.gif";
	}