if (document.images) {
	var bton= new Array(9);
	bton[0] = new Image(1,1);  bton[0].src = "/jpn/images/spacer.gif";
	for (var i = 1; i < 6; i++) {
		bton[i] = new Image(157, 33);
		bton[i].src = "/jpn/images/ind_menu_o_0" + i + ".gif";
	}
	var btoff= new Array(9);
	btoff[0] = new Image(1,1);  btoff[0].src = "/jpn/images/spacer.gif";
	for (var i = 1; i < 6; i++) {
		btoff[i] = new Image(157, 33);
		btoff[i].src = "/jpn/images/ind_menu_d_0" + i + ".gif";
	}
}
function chngImgs(n,change) {
	if (document.images) {
		if (change == "on") {
			document.images['COMM_MENU_0'+n].src = "/jpn/images/ind_menu_o_0" + n + ".gif";
		} else if (change == "off") {
			document.images['COMM_MENU_0'+n].src = "/jpn/images/ind_menu_d_0" + n + ".gif";
		}
	}
}