if (document.images) {
	img1on = new Image();
	img1on.src = "../img_common/menu_1_r.gif";
	img1off = new Image();
	img1off.src = "../img_common/menu_1.gif";
	img2on = new Image();
	img2on.src = "../img_common/menu_2_r.gif";
	img2off = new Image();
	img2off.src = "../img_common/menu_2.gif";
	img3on = new Image();
	img3on.src = "../img_common/menu_3_r.gif";
	img3off = new Image();
	img3off.src = "../img_common/menu_3.gif";
	img4on = new Image();
	img4on.src = "../img_common/menu_4_r.gif";
	img4off = new Image();
	img4off.src = "../img_common/menu_4.gif";
	img5on = new Image();
	img5on.src = "../img_common/menu_5_r.gif";
	img5off = new Image();
	img5off.src = "../img_common/menu_5.gif";
	img6on = new Image();
	img6on.src = "../img_common/menu_6_r.gif";
	img6off = new Image();
	img6off.src = "../img_common/menu_6.gif";
	img7on = new Image();
	img7on.src = "../img_common/menu_7_r.gif";
	img7off = new Image();
	img7off.src = "../img_common/menu_7.gif";
	img8on = new Image();
	img8on.src = "../menu/img/navi_lunch_r.gif";
	img8off = new Image();
	img8off.src = "../menu/img/navi_lunch.gif";
	img9on = new Image();
	img9on.src = "../menu/img/navi_dinner_r.gif";
	img9off = new Image();
	img9off.src = "../menu/img/navi_dinner.gif";
	img10on = new Image();
	img10on.src = "../map/img/btn_map_r.gif";
	img10off = new Image();
	img10off.src = "../map/img/btn_map.gif";
	img11on = new Image();
	img11on.src = "../map/img/btn_google_r.gif";
	img11off = new Image();
	img11off.src = "../map/img/btn_google.gif";
	img12on = new Image();
	img12on.src = "../map/img/btn_print_r.gif";
	img12off = new Image();
	img12off.src = "../map/img/btn_print.gif";
	img13on = new Image();
	img13on.src = "../map/img/btn_map_en_r.gif";
	img13off = new Image();
	img13off.src = "../map/img/btn_map_en.gif";
	img14on = new Image();
	img14on.src = "../map/img/btn_print_en_r.gif";
	img14off = new Image();
	img14off.src = "../map/img/btn_print_en.gif";
	img20on = new Image();
	img20on.src = "../img_common/fmenu_1_r.gif";
	img20off = new Image();
	img20off.src = "../img_common/fmenu_1.gif";
	img21on = new Image();
	img21on.src = "../img_common/fmenu_2_r.gif";
	img21off = new Image();
	img21off.src = "../img_common/fmenu_2.gif";
	img31on = new Image();
	img31on.src = "../img_common/menu_8_r.gif";
	img31off = new Image();
	img31off.src = "../img_common/menu_8.gif";
	img41on = new Image();
	img41on.src = "../trip/img/btn_1_r.jpg";
	img41off = new Image();
	img41off.src = "../trip/img/btn_1.jpg";
	img42on = new Image();
	img42on.src = "../trip/img/btn_2_r.jpg";
	img42off = new Image();
	img42off.src = "../trip/img/btn_2.jpg";
	img43on = new Image();
	img43on.src = "../trip/img/btn_3_r.jpg";
	img43off = new Image();
	img43off.src = "../trip/img/btn_3.jpg";
	img51on = new Image();
	img51on.src = "../trip/img/menu_1_r.gif";
	img51off = new Image();
	img51off.src = "../trip/img/menu_1.gif";
	img52on = new Image();
	img52on.src = "../trip/img/menu_2_r.gif";
	img52off = new Image();
	img52off.src = "../trip/img/menu_2.gif";
	img53on = new Image();
	img53on.src = "../trip/img/menu_3_r.gif";
	img53off = new Image();
	img53off.src = "../trip/img/menu_3.gif";
	img61on = new Image();
	img61on.src = "../img_common/menu_1en_r.gif";
	img61off = new Image();
	img61off.src = "../img_common/menu_1en.gif";
	img62on = new Image();
	img62on.src = "../img_common/menu_2en_r.gif";
	img62off = new Image();
	img62off.src = "../img_common/menu_2en.gif";
	img63on = new Image();
	img63on.src = "../img_common/menu_3en_r.gif";
	img63off = new Image();
	img63off.src = "../img_common/menu_3en.gif";
	img64on = new Image();
	img64on.src = "../img_common/menu_4en_r.gif";
	img64off = new Image();
	img64off.src = "../img_common/menu_4en.gif";
	img65on = new Image();
	img65on.src = "../img_common/menu_5en_r.gif";
	img65off = new Image();
	img65off.src = "../img_common/menu_5en.gif";
	img66on = new Image();
	img66on.src = "../img_common/menu_6en_r.gif";
	img66off = new Image();
	img66off.src = "../img_common/menu_6en.gif";
}
function imgOn(imgName) {
	if (document.images) {
		document[imgName].src=eval(imgName+"on.src");
	}
}
function imgOff(imgName) {
	if (document.images) {
		document[imgName].src=eval(imgName+"off.src");
	}
}