// JavaScript Document
<!--
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

function changeImages2(layerN, imgN, imgSrc){
	if(nn4) document.layers[layerN].document.images[imgN].src=imgSrc;
	else document.images[imgN].src=imgSrc;
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		btn_jpn01_over = newImage("img/btn_jpn_on.gif");
		btn_jpn02_over = newImage("img/btn_jpn_on.gif");
		btn_jpn03_over = newImage("img/btn_jpn_on.gif");
		btn_world01_over = newImage("img/btn_world_on.gif");
		btn_world02_over = newImage("img/btn_world_on.gif");
		btn_world03_over = newImage("img/btn_world_on.gif");
		tab_rev01_over = newImage("img/tab_rev01_wd.jpg");
		tab_rev02_over = newImage("img/tab_rev02_wd.jpg");
		tab_rev03_over = newImage("img/tab_rev03_wd.jpg");
		tab_rev04_over = newImage("img/tab_rev04_wd.jpg");
		tab_rev05_over = newImage("img/tab_rev05_wd.jpg");
		tab_rev06_over = newImage("img/tab_rev06_wd.jpg");
		btn_news_over = newImage("img/btn_news_on.gif");
		btn_bucknumber_over = newImage("img/btn_bucknumber_on.gif");
		login_btn01_over = newImage("img/login_btn01_on.jpg");
		login_btn02_over = newImage("img/login_btn02_on.jpg");
		preloadFlag = true;
	}
}
// -->