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		document.write('<LINK HREF="http://cielo-azul.hp.infoseek.co.jp/js/css/mac_ie.css" REL="styleSheet" TYPE="text/css">');
		} else {
		//netscape
		 document.write('<LINK HREF="http://cielo-azul.hp.infoseek.co.jp/js/css/mac_ns.css" REL="styleSheet" TYPE="text/css">');
		}
	} else {
	//windows or unix
		if (navigator.appName.indexOf('Microsoft') > -1) {
		//explorer
		document.write('<LINK HREF="http://cielo-azul.hp.infoseek.co.jp/js/css/win_ie.css" REL="styleSheet" TYPE="text/css">');
		} else {
		//netscape
		document.write('<LINK HREF="http://cielo-azul.hp.infoseek.co.jp/js/css/win_ns.css" REL="styleSheet" TYPE="text/css">');
		}
	}