function preloadImages() {
	if (document.images) {
		header_youto_over = newImage("/images_header/header_youto-over.gif");
		header_item_over = newImage("/images_header/header_item-over.gif");
		header_tokusen_over = newImage("/images_header/header_tokusen-over.gif");
		header_service_over = newImage("/images_header/header_service-over.gif");
		header_concierge_over = newImage("/images_header/header_campaign_concierge-over.gif");

		imgObj["catg_117"] = new Image();
		imgObj["catg_117"].src = "/images_header/catg_117.gif";
		imgObj["catg_117-over"] = new Image();
		imgObj["catg_117-over"].src = "/images_header/catg_117-over.gif";
		imgObj["catg_118"] = new Image();
		imgObj["catg_118"].src = "/images_header/catg_118.gif";
		imgObj["catg_118-over"] = new Image();
		imgObj["catg_118-over"].src = "/images_header/catg_118-over.gif";
		imgObj["catg_119"] = new Image();
		imgObj["catg_119"].src = "/images_header/catg_119.gif";
		imgObj["catg_119-over"] = new Image();
		imgObj["catg_119-over"].src = "/images_header/catg_119-over.gif";
		imgObj["catg_120"] = new Image();
		imgObj["catg_120"].src = "/images_header/catg_120.gif";
		imgObj["catg_120-over"] = new Image();
		imgObj["catg_120-over"].src = "/images_header/catg_120-over.gif";
		imgObj["catg_121"] = new Image();
		imgObj["catg_121"].src = "/images_header/catg_121.gif";
		imgObj["catg_121-over"] = new Image();
		imgObj["catg_121-over"].src = "/images_header/catg_121-over.gif";
		imgObj["catg_122"] = new Image();
		imgObj["catg_122"].src = "/images_header/catg_122.gif";
		imgObj["catg_122-over"] = new Image();
		imgObj["catg_122-over"].src = "/images_header/catg_122-over.gif";
		imgObj["catg_123"] = new Image();
		imgObj["catg_123"].src = "/images_header/catg_123.gif";
		imgObj["catg_123-over"] = new Image();
		imgObj["catg_123-over"].src = "/images_header/catg_123-over.gif";
		imgObj["catg_124"] = new Image();
		imgObj["catg_124"].src = "/images_header/catg_124.gif";
		imgObj["catg_124-over"] = new Image();
		imgObj["catg_124-over"].src = "/images_header/catg_124-over.gif";
		imgObj["catg_125"] = new Image();
		imgObj["catg_125"].src = "/images_header/catg_125.gif";
		imgObj["catg_125-over"] = new Image();
		imgObj["catg_125-over"].src = "/images_header/catg_125-over.gif";
		imgObj["catg_126"] = new Image();
		imgObj["catg_126"].src = "/images_header/catg_126.gif";
		imgObj["catg_126-over"] = new Image();
		imgObj["catg_126-over"].src = "/images_header/catg_126-over.gif";
		imgObj["catg_127"] = new Image();
		imgObj["catg_127"].src = "/images_header/catg_127.gif";
		imgObj["catg_127-over"] = new Image();
		imgObj["catg_127-over"].src = "/images_header/catg_127-over.gif";
		imgObj["catg_165"] = new Image();
		imgObj["catg_165"].src = "/images_header/catg_165.gif";
		imgObj["catg_165-over"] = new Image();
		imgObj["catg_165-over"].src = "/images_header/catg_165-over.gif";
		imgObj["youto_101"] = new Image();
		imgObj["youto_101"].src = "/images_header/youto_101.gif";
		imgObj["youto_101-over"] = new Image();
		imgObj["youto_101-over"].src = "/images_header/youto_101-over.gif";
		imgObj["youto_102"] = new Image();
		imgObj["youto_102"].src = "/images_header/youto_102.gif";
		imgObj["youto_102-over"] = new Image();
		imgObj["youto_102-over"].src = "/images_header/youto_102-over.gif";
		imgObj["youto_103"] = new Image();
		imgObj["youto_103"].src = "/images_header/youto_103.gif";
		imgObj["youto_103-over"] = new Image();
		imgObj["youto_103-over"].src = "/images_header/youto_103-over.gif";
		imgObj["youto_104"] = new Image();
		imgObj["youto_104"].src = "/images_header/youto_104.gif";
		imgObj["youto_104-over"] = new Image();
		imgObj["youto_104-over"].src = "/images_header/youto_104-over.gif";
		imgObj["youto_105"] = new Image();
		imgObj["youto_105"].src = "/images_header/youto_105.gif";
		imgObj["youto_105-over"] = new Image();
		imgObj["youto_105-over"].src = "/images_header/youto_105-over.gif";
		imgObj["youto_106"] = new Image();
		imgObj["youto_106"].src = "/images_header/youto_106.gif";
		imgObj["youto_106-over"] = new Image();
		imgObj["youto_106-over"].src = "/images_header/youto_106-over.gif";
		imgObj["youto_107"] = new Image();
		imgObj["youto_107"].src = "/images_header/youto_107.gif";
		imgObj["youto_107-over"] = new Image();
		imgObj["youto_107-over"].src = "/images_header/youto_107-over.gif";
		imgObj["youto_110"] = new Image();
		imgObj["youto_110"].src = "/images_header/youto_110.gif";
		imgObj["youto_110-over"] = new Image();
		imgObj["youto_110-over"].src = "/images_header/youto_110-over.gif";
		imgObj["youto_111"] = new Image();
		imgObj["youto_111"].src = "/images_header/youto_111.gif";
		imgObj["youto_111-over"] = new Image();
		imgObj["youto_111-over"].src = "/images_header/youto_111-over.gif";
		imgObj["youto_112"] = new Image();
		imgObj["youto_112"].src = "/images_header/youto_112.gif";
		imgObj["youto_112-over"] = new Image();
		imgObj["youto_112-over"].src = "/images_header/youto_112-over.gif";
		imgObj["youto_113"] = new Image();
		imgObj["youto_113"].src = "/images_header/youto_113.gif";
		imgObj["youto_113-over"] = new Image();
		imgObj["youto_113-over"].src = "/images_header/youto_113-over.gif";
		imgObj["youto_114"] = new Image();
		imgObj["youto_114"].src = "/images_header/youto_114.gif";
		imgObj["youto_114-over"] = new Image();
		imgObj["youto_114-over"].src = "/images_header/youto_114-over.gif";
		imgObj["youto_115"] = new Image();
		imgObj["youto_115"].src = "/images_header/youto_115.gif";
		imgObj["youto_115-over"] = new Image();
		imgObj["youto_115-over"].src = "/images_header/youto_115-over.gif";
		imgObj["youto_116"] = new Image();
		imgObj["youto_116"].src = "/images_header/youto_116.gif";
		imgObj["youto_116-over"] = new Image();
		imgObj["youto_116-over"].src = "/images_header/youto_116-over.gif";
		imgObj["tokusen_39"] = new Image();
		imgObj["tokusen_39"].src = "/images_header/tokusen_39.gif";
		imgObj["tokusen_39-over"] = new Image();
		imgObj["tokusen_39-over"].src = "/images_header/tokusen_39-over.gif";
		imgObj["tokusen_40"] = new Image();
		imgObj["tokusen_40"].src = "/images_header/tokusen_40.gif";
		imgObj["tokusen_40-over"] = new Image();
		imgObj["tokusen_40-over"].src = "/images_header/tokusen_40-over.gif";
		imgObj["tokusen_41"] = new Image();
		imgObj["tokusen_41"].src = "/images_header/tokusen_41.gif";
		imgObj["tokusen_41-over"] = new Image();
		imgObj["tokusen_41-over"].src = "/images_header/tokusen_41-over.gif";
		imgObj["tokusen_42"] = new Image();
		imgObj["tokusen_42"].src = "/images_header/tokusen_42.gif";
		imgObj["tokusen_42-over"] = new Image();
		imgObj["tokusen_42-over"].src = "/images_header/tokusen_42-over.gif";
		imgObj["tokusen_46"] = new Image();
		imgObj["tokusen_46"].src = "/images_header/tokusen_46.gif";
		imgObj["tokusen_46-over"] = new Image();
		imgObj["tokusen_46-over"].src = "/images_header/tokusen_46-over.gif";
		imgObj["tokusen_47"] = new Image();
		imgObj["tokusen_47"].src = "/images_header/tokusen_47.gif";
		imgObj["tokusen_47-over"] = new Image();
		imgObj["tokusen_47-over"].src = "/images_header/tokusen_47-over.gif";
		imgObj["tokusen_48"] = new Image();
		imgObj["tokusen_48"].src = "/images_header/tokusen_48.gif";
		imgObj["tokusen_48-over"] = new Image();
		imgObj["tokusen_48-over"].src = "/images_header/tokusen_48-over.gif";
		imgObj["tokusen_49"] = new Image();
		imgObj["tokusen_49"].src = "/images_header/tokusen_49.gif";
		imgObj["tokusen_49-over"] = new Image();
		imgObj["tokusen_49-over"].src = "/images_header/tokusen_49-over.gif";
		imgObj["tokusen_64"] = new Image();
		imgObj["tokusen_64"].src = "/images_header/tokusen_64.gif";
		imgObj["tokusen_64-over"] = new Image();
		imgObj["tokusen_64-over"].src = "/images_header/tokusen_64-over.gif";
		imgObj["tokusen_66"] = new Image();
		imgObj["tokusen_66"].src = "/images_header/tokusen_66.gif";
		imgObj["tokusen_66-over"] = new Image();
		imgObj["tokusen_66-over"].src = "/images_header/tokusen_66-over.gif";
		imgObj["tokusen_67"] = new Image();
		imgObj["tokusen_67"].src = "/images_header/tokusen_67.gif";
		imgObj["tokusen_67-over"] = new Image();
		imgObj["tokusen_67-over"].src = "/images_header/tokusen_67-over.gif";
		imgObj["tokusen_69"] = new Image();
		imgObj["tokusen_69"].src = "/images_header/tokusen_69.gif";
		imgObj["tokusen_69-over"] = new Image();
		imgObj["tokusen_69-over"].src = "/images_header/tokusen_69-over.gif";
		imgObj["tokusen_79"] = new Image();
		imgObj["tokusen_79"].src = "/images_header/tokusen_79.gif";
		imgObj["tokusen_79-over"] = new Image();
		imgObj["tokusen_79-over"].src = "/images_header/tokusen_79-over.gif";

		preloadFlag = true;
	}
}