<!--
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) {
	aoiro_over = newImage("images/aoiro-over.gif");
	nyukai_over = newImage("images/nyukai-over.gif");
	zeimu_over = newImage("images/zeimu-over.gif");
	gyoji_over = newImage("images/gyoji-over.gif");
	gyoshu_over = newImage("images/gyoshu-over.gif");
	chiiki_over = newImage("images/chiiki-over.gif");
	toppage_over = newImage("images/toppage-over.gif");
	preloadFlag = true;
	}
}// -->