function rubi_switch() {
	var link_str;
	if (location.hostname == "www.kinkouwan.com"){
		link_str = "<a href='http://mt.adaptive-techs.com/httpadaptor/servlet/HttpAdaptor?.h0.=fp&.ui.=kinkouwanhp&.ro.=kh&.st.=rb' class='rubi_button' alt='ふりがなオン'><img src='http://www.kinkouwan.com/wp-content/themes/kinkouwan_club/img/header/rubi.png' /></a>";
	}else{
		link_str = "<a href='http://mt.adaptive-techs.com/httpadaptor/servlet/HttpAdaptor?.h0.=fp&.ui.=kinkouwanhp&.ro.=fo' class='rubi_button' alt='ふりがなオフ'><img src='http://www.kinkouwan.com/wp-content/themes/kinkouwan_club/img/header/rubi.png' /></a>";
	}
	document.open();
	document.write(link_str);
	document.close();
}