var ClickbleMapImgLoaded=false;

function preloadClickbleMap(){
	var clickableMapImg;
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/null.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/hokkaido.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/aomori.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/iwate.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/akita.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/miyagi.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/yamagata.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/fukushima.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/tokyo.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/kanagawa.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/saitama.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/chiba.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/ibaraki.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/tochigi.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/gunma.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/niigata.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/toyama.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/ishikawa.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/fukui.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/nagano.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/yamanashi.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/shizuoka.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/aichi.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/gifu.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/mie.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/osaka.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/hyogo.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/kyoto.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/shiga.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/nara.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/wakayama.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/okayama.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/hiroshima.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/tottori.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/shimane.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/yamaguchi.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/kagawa.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/tokushima.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/ehime.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/kochi.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/fukuoka.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/saga.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/nagasaki.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/oita.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/kumamoto.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/miyazaki.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/kagoshima.gif";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/map/okinawa.gif";

	clickableMapImg = new Image(); clickableMapImg.src = "./img/tinyTip_top.png";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/tinyTip_content.png";
	clickableMapImg = new Image(); clickableMapImg.src = "./img/tinyTip_bottom.png";

	ClickbleMapImgLoaded=true;
}

/* set & reset each prefecture layer onto the clickable map */
function focusMap(nm){
	if(ClickbleMapImgLoaded) document.getElementById("mapOverlay").src = "./img/map/" + nm + ".gif";
//	$("#mapOverlay").attr("src",img);
}
function defocusMap(){
	if(ClickbleMapImgLoaded) document.getElementById("mapOverlay").src = "./img/map/null.gif";
//	$("#mapOverlay").attr("src",img);
}