function load2nd(){
	MM_preloadImages(
		'/common/img/header/btn_header_mail.gif',
		'/common/img/header/btn_header_mail_f2.gif',
		'/common/img/header/btn_header_kankyou.gif',
		'/common/img/header/btn_header_kankyou_f2.gif',
		'/common/img/header/btn_header_enquete.gif',
		'/common/img/header/btn_header_enquete_f2.gif',
		'/common/img/header/btn_header_shinrin.gif',
		'/common/img/header/btn_header_shinrin_f2.gif',
		'/common/img/header/btn_header_top.gif',
		'/common/img/header/btn_header_top_f2.gif',
		
		'/common/img/footer/btn_org.gif',
		'/common/img/footer/btn_org_f2.gif',
		'/common/img/footer/btn_org_outline.gif',
		'/common/img/footer/btn_org_outline_f2.gif',
		'/common/img/footer/btn_org_disclosure.gif',
		'/common/img/footer/btn_org_disclosure_f2.gif',
		'/common/img/footer/btn_org_contact.gif',
		'/common/img/footer/btn_org_contact_f2.gif',
		'/common/img/footer/btn_org_kojinjouhou.gif',
		'/common/img/footer/btn_org_kojinjouhou_f2.gif',
		'/common/img/footer/btn_bid.gif',
		'/common/img/footer/btn_bid_f2.gif'
	);
}