function address1(){
			
			mail1="お問い合わせ";
			document.write(mail1.link("mailto:" + "dosokai" + "@chem.eng.osaka-" + "u.ac.jp"));
		}

		function address2(){
			
			mail="お問い合わせ";
			document.write(mail.link("mailto:" + "chem-eng-osaka-u" + "@us.alcent" + ".jp"));
		}