me puse a destripar la pagina en cuestion y te hice este resumen:
<a href='ir.asp?http://www.tonala.org/aaaa.htm' target='_blank'>http://www.tonala.org/aaaa.htm...</a>
observa el codigo fuente.
ojala te sirva
<OBJECT WIDTH=200 HEIGHT=150 height="150">
<PARAM NAME=movie VALUE="si.swf">
<PARAM NAME=quality VALUE=high>
<embed width="200HEIGHT=150" height="150" quality="high" bgcolor="#FFFFFF" src="http://www.tonala.org/si.swf">
</embed>
</OBJECT>