답변은 잘 보았습니다. 그런데 역시 안되는군요.

<script>
function autolink( id )
{
var container = document.getElementById(id);
var doc = container.innerHTML;
var regSRC = new
RegExp("(src|href)=(\'|\")(http|https|ftp|telnet|news|irc)://([-/.a-zA-Z0-
9_~#%$?&=:200-377();|가-힣]+)","gi");

var regURL = new
RegExp("(http|https|ftp|telnet|news|irc)://([-/.a-zA-Z0-9_~#%$?&=:200-377();|�
�-힣]+)","gi");

var regEmail = new
RegExp("([_a-z0-9]+[_a-z0-9+-]+@[a-z0-9+-]+\.[a-z0-9+-]+[\.a-z0-9+-]+)",&q
uot;gi");
doc = doc.replace(regSRC,"$1=$2donelink://$4");
doc = doc.replace(regURL,"<a href='$1://$2'
target='_blank'>$1://$2</a>");
doc = doc.replace(regEmail,"<a href='mailto:$1'>$1</a>");
container.innerHTML = doc.replace( /donelink/gi, 'http' );
}
</script>
<div id='test'>
<embed src="http://www.sogang.ac.kr/~u010933/temp/rain.wma">
</div>
<script>autolink('test');</script>
<embed src="http://www.sogang.ac.kr/~u010933/temp/rain.wma">