var browserVer = navigator.appVersion.charAt(0);

	h_home_on = new Image();
	h_home_on.src = "header_img/bu_home_g.gif";
	h_home_off = new Image();
	h_home_off.src = "header_img/bu_home_n.gif";
	//
	h_koutsuu_on = new Image();
	h_koutsuu_on.src = "header_img/bu_koutsuu_g.gif";
	h_koutsuu_off = new Image();
	h_koutsuu_off.src = "header_img/bu_koutsuu_n.gif";
	//	
	byouin_on = new Image();
	byouin_on.src = "img/bu_byouin_g.gif";
	byouin_off = new Image();
	byouin_off.src = "img/bu_byouin_n.gif";
	//	
	gairai_on = new Image();
	gairai_on.src = "img/bu_gairai_g.gif";
	gairai_off = new Image();
	gairai_off.src = "img/bu_gairai_n.gif";
	//	
	nyuuin_on = new Image();
	nyuuin_on.src = "img/bu_nyuuin_g.gif";
	nyuuin_off = new Image();
	nyuuin_off.src = "img/bu_nyuuin_n.gif";
	//
	senmon_on = new Image();
	senmon_on.src = "img/bu_senmon_g.gif";
	senmon_off = new Image();
	senmon_off.src = "img/bu_senmon_n.gif";
	//	
	second_on = new Image();
	second_on.src = "img/bu_second_g.gif";
	second_off = new Image();
	second_off.src = "img/bu_second_n.gif";
	//	
	soudan_on = new Image();
	soudan_on.src = "img/bu_soudan_g.gif";
	soudan_off = new Image();
	soudan_off.src = "img/bu_soudan_n.gif";
	//	
	tokutei_on = new Image();
	tokutei_on.src = "img/bu_tokutei_g.gif";
	tokutei_off = new Image();
	tokutei_off.src = "img/bu_tokutei_n.gif";
	//	
	chiken_on = new Image();
	chiken_on.src = "img/bu_chiken_g.gif";
	chiken_off = new Image();
	chiken_off.src = "img/bu_chiken_n.gif";
	//	
	kenshin_on = new Image();
	kenshin_on.src = "img/bu_kenshin_g.gif";
	kenshin_off = new Image();
	kenshin_off.src = "img/bu_kenshin_n.gif";
	//	
	koutsuu_on = new Image();
	koutsuu_on.src = "img/bu_koutsuu_g.gif";
	koutsuu_off = new Image();
	koutsuu_off.src = "img/bu_koutsuu_n.gif";
	//	
	zaitaku_on = new Image();
	zaitaku_on.src = "img/bu_zaitaku_g.gif";
	zaitaku_off = new Image();
	zaitaku_off.src = "img/bu_zaitaku_n.gif";
	//	
	iryoufukushi_on = new Image();
	iryoufukushi_on.src = "img/bu_iryoufukushi_g.gif";
	iryoufukushi_off = new Image();
	iryoufukushi_off.src = "img/bu_iryoufukushi_n.gif";
	//	
	iryou_on = new Image();
	iryou_on.src = "img/bu_iryou_g.gif";
	iryou_off = new Image();
	iryou_off.src = "img/bu_iryou_n.gif";
	//	
	ishi_on = new Image();
	ishi_on.src = "img/bu_ishi_g.gif";
	ishi_off = new Image();
	ishi_off.src = "img/bu_ishi_n.gif";
	//	
	kyuujin_on = new Image();
	kyuujin_on.src = "img/bu_kyuujin_g.gif";
	kyuujin_off = new Image();
	kyuujin_off.src = "img/bu_kyuujin_n.gif";
	//	
	kenshui_on = new Image();
	kenshui_on.src = "img/bu_kenshui_g.gif";
	kenshui_off = new Image();
	kenshui_off.src = "img/bu_kenshui_n.gif";
	//	
	kanren_on = new Image();
	kanren_on.src = "img/bu_kanren_g.gif";
	kanren_off = new Image();
	kanren_off.src = "img/bu_kanren_n.gif";
	//	
	linkshuu_on = new Image();
	linkshuu_on.src = "img/bu_linkshuu_g.gif";
	linkshuu_off = new Image();
	linkshuu_off.src = "img/bu_linkshuu_n.gif";
	//	
	newsrelease_on = new Image();
	newsrelease_on.src = "img/bu_newsrelease_g.gif";
	newsrelease_off = new Image();
	newsrelease_off.src = "img/bu_newsrelease_n.gif";
	//	
	omimai_on = new Image();
	omimai_on.src = "img/bu_omimai_g.gif";
	omimai_off = new Image();
	omimai_off.src = "img/bu_omimai_n.gif";
	//	
	sitemap_on = new Image();
	sitemap_on.src = "img/bu_sitemap_g.gif";
	sitemap_off = new Image();
	sitemap_off.src = "img/bu_sitemap_n.gif";
	//	
	home_on = new Image();
	home_on.src = "img/bu_home_g.gif";
	home_off = new Image();
	home_off.src = "img/bu_home_n.gif";
	//	
	renrakusaki_on = new Image();
	renrakusaki_on.src = "img/text_renrakusaki_g.gif";
	renrakusaki_off = new Image();
	renrakusaki_off.src = "img/text_renrakusaki_n.gif";
	//	
	shoukai_on = new Image();
	shoukai_on.src = "img/bu_shoukai_g.gif";
	shoukai_off = new Image();
	shoukai_off.src = "img/bu_shoukai_n.gif";
	//	
	royal_on = new Image();
	royal_on.src = "img/bu_royal_g.gif";
	royal_off = new Image();
	royal_off.src = "img/bu_royal_n.gif";
	//	

function actOn(imgName)  {
	if (browserVer >= 3)   {
		onImg = eval(imgName + "_on.src");
		document [imgName].src = onImg;
	}
}

function actOff(imgName)   {
	if (browserVer >= 3) {
		offImg = eval(imgName + "_off.src");
		document [imgName].src = offImg;
	}
}