<SCRIPT LANGUAGE="JavaScript"> function link1() {if (document.links.open) location='http://www.yahoo.co.kr'} function link2() {if (document.links.open) location='http://www.naver.com'} </script> <form name="links"> <input type="radio" name="open" onclick="link1()">www.yahoo.co.kr <input type="radio" name="open" onclick="link2()">www.naver.com </form>