// 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];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
			b_english_ImageMap_over = newImage("image/index-j/b_english-ImageMap_over.jpg");
		menu_08_over = newImage("image/index-menu/menu_08-over.gif");
		menu_07_over = newImage("image/index-menu/menu_07-over.gif");
		menu_06_over = newImage("image/index-menu/menu_06-over.gif");
		menu_05_4_over = newImage("image/index-menu/menu_05-4-over.gif");
		menu_05_3_over = newImage("image/index-menu/menu_05-3-over.gif");
		menu_05_2_over = newImage("image/index-menu/menu_05-2-over.gif");
		menu_05_1_over = newImage("image/index-menu/menu_05-1-over.gif");
		menu_05_menu_05_4_over = newImage("image/index-menu/menu_05-menu_05-4_over.gif");
		menu_04_over = newImage("image/index-menu/menu_04-over.gif");
		menu_03_over = newImage("image/index-menu/menu_03-over.gif");
		menu_02_over = newImage("image/index-menu/menu_02-over.gif");
		menu_01_over = newImage("image/index-menu/menu_01-over.gif");
		shop_pic_menu_05_1_over = newImage("image/index-j/shop-pic-menu_05-1_over.jpg");
		shop_pic_menu_05_3_over = newImage("image/index-j/shop-pic-menu_05-3_over.jpg");
		shop_pic_menu_05_2_over = newImage("image/index-j/shop-pic-menu_05-2_over.jpg");
		shop_pic_menu_05_4_over = newImage("image/index-j/shop-pic-menu_05-4_over.jpg");
		preloadFlag = true;
	}
}