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 = "../img_common/menu_8_r.gif";
	img8off = new Image();
	img8off.src = "../img_common/menu_8.gif";
	img9on = new Image();
	img9on.src = "../img_common/menu_9_r.gif";
	img9off = new Image();
	img9off.src = "../img_common/menu_9.gif";
	img11on = new Image();
	img11on.src = "../img/submenu_1_r.gif";
	img11off = new Image();
	img11off.src = "../img/submenu_1.gif";
	img12on = new Image();
	img12on.src = "../img/submenu_2_r.gif";
	img12off = new Image();
	img12off.src = "../img/submenu_2.gif";
	img13on = new Image();
	img13on.src = "../img/submenu_3_r.gif";
	img13off = new Image();
	img13off.src = "../img/submenu_3.gif";
	img14on = new Image();
	img14on.src = "../img/submenu_4_r.gif";
	img14off = new Image();
	img14off.src = "../img/submenu_4.gif";
	img15on = new Image();
	img15on.src = "../img/submenu_5_r.gif";
	img15off = new Image();
	img15off.src = "../img/submenu_5.gif";
	img16on = new Image();
	img16on.src = "../img/submenu_6_r.gif";
	img16off = new Image();
	img16off.src = "../img/submenu_6.gif";
	img17on = new Image();
	img17on.src = "../img/submenu_7_r.gif";
	img17off = new Image();
	img17off.src = "../img/submenu_7.gif";
	img18on = new Image();
	img18on.src = "../img/submenu_8_r.gif";
	img18off = new Image();
	img18off.src = "../img/submenu_8.gif";
	img19on = new Image();
	img19on.src = "../img/submenu_9_r.gif";
	img19off = new Image();
	img19off.src = "../img/submenu_9.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");
	}
}