if(navigator.appVersion.charAt(0) >= 3) {
	var img = new Array();
	img[000] = new Image();
	img[000].src = "images/map/map-nakaginza.gif";
	img[007] = new Image();
	img[007].src = "images/map/map-nakaginza-g7.gif";
	img[010] = new Image();
	img[010].src = "images/map/map-nakaginza-g10.gif";
	img[034] = new Image();
	img[034].src = "images/map/map-nakaginza-g34.gif";
	img[035] = new Image();
	img[035].src = "images/map/map-nakaginza-g35.gif";
	img[036] = new Image();
	img[036].src = "images/map/map-nakaginza-g36.gif";
	img[037] = new Image();
	img[037].src = "images/map/map-nakaginza-g37.gif";
	img[0388] = new Image();
	img[0388].src = "images/map/map-nakaginza-g38.gif";
	img[0399] = new Image();
	img[0399].src = "images/map/map-nakaginza-g39.gif";
	img[042] = new Image();
	img[042].src = "images/map/map-nakaginza-g42.gif";
	img[043] = new Image();
	img[043].src = "images/map/map-nakaginza-g43.gif";
	img[044] = new Image();
	img[044].src = "images/map/map-nakaginza-g44.gif";
	img[045] = new Image();
	img[045].src = "images/map/map-nakaginza-g45.gif";
	img[046] = new Image();
	img[046].src = "images/map/map-nakaginza-g46.gif";
	img[048] = new Image();
	img[048].src = "images/map/map-nakaginza-g48.gif";
	img[050] = new Image();
	img[050].src = "images/map/map-nakaginza-g50.gif";
	img[061] = new Image();
	img[061].src = "images/map/map-nakaginza-g61.gif";
	img[112] = new Image();
	img[112].src = "images/map/map-nakaginza-gr12.gif";
	img[121] = new Image();
	img[121].src = "images/map/map-nakaginza-gr21.gif";
	img[126] = new Image();
	img[126].src = "images/map/map-nakaginza-gr26.gif";
	img[209] = new Image();
	img[209].src = "images/map/map-nakaginza-f9.gif";
	img[210] = new Image();
	img[210].src = "images/map/map-nakaginza-f10.gif";
	img[211] = new Image();
	img[211].src = "images/map/map-nakaginza-f11.gif";
	img[214] = new Image();
	img[214].src = "images/map/map-nakaginza-f14.gif";
	img[215] = new Image();
	img[215].src = "images/map/map-nakaginza-f15.gif";
	img[216] = new Image();
	img[216].src = "images/map/map-nakaginza-f16.gif";
	img[217] = new Image();
	img[217].src = "images/map/map-nakaginza-f17.gif";
	img[303] = new Image();
	img[303].src = "images/map/map-nakaginza-e3.gif";
	img[412] = new Image();
	img[412].src = "images/map/map-nakaginza-l12.gif";
	img[413] = new Image();
	img[413].src = "images/map/map-nakaginza-l13.gif";
	img[423] = new Image();
	img[423].src = "images/map/map-nakaginza-l23.gif";
	img[424] = new Image();
	img[424].src = "images/map/map-nakaginza-l24.gif";
	img[437] = new Image();
	img[437].src = "images/map/map-nakaginza-l37.gif";
	img[438] = new Image();
	img[438].src = "images/map/map-nakaginza-l38.gif";
	img[439] = new Image();
	img[439].src = "images/map/map-nakaginza-l39.gif";
	img[440] = new Image();
	img[440].src = "images/map/map-nakaginza-l40.gif";
	img[441] = new Image();
	img[441].src = "images/map/map-nakaginza-l41.gif";
	img[447] = new Image();
	img[447].src = "images/map/map-nakaginza-l47.gif";
	img[455] = new Image();
	img[455].src = "images/map/map-nakaginza-l55.gif";
	
}

function change_image(nam,num) {
	if(navigator.appVersion.charAt(0) >= 3) {
		document.images[nam].src = img[num].src;
	}
}