var aryTopMenu = new Array("kounyu", "service", "museum", "miryoku", "okuru");
	var imgTopMenu = new Array(5);

	for (i in aryTopMenu) {
		imgTopMenu[aryTopMenu[i]] = new Array();
		imgTopMenu[aryTopMenu[i]]["on"] = new Image();
		imgTopMenu[aryTopMenu[i]]["out"] = new Image();
		imgTopMenu[aryTopMenu[i]]["on"].src = "../image/" + aryTopMenu[i] + "_on.gif";
		imgTopMenu[aryTopMenu[i]]["out"].src = "../image/" + aryTopMenu[i] + ".gif";
		imgTopMenu[aryTopMenu[i]]["on"].src = "../image/topnavi_1.gif";
		imgTopMenu[aryTopMenu[i]]["out"].src = "../image/topnavi_1.gif";
	}
	
	var aryMenuLayer = new Array("dropdownmenu_kounyu", "dropdownmenu_service", "dropdownmenu_museum", "dropdownmenu_miryoku", "dropdownmenu_okuru");
	flgDropDownMenu = true;