beh, lascia il link
cmq a me cosi' funziona
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">codice:on(press){ getURL("javascript:self.intro.location.href='http://www.yahoo.com';void(0)"); }
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>button</title>
</head>
<body bgcolor="#ffffff">
<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" width="150" height="400" id="button" align="middle">
<param name="allowScriptAccess" value="sameDomain" />
<param name="movie" value="button.swf" /><param name="quality" value="high" /><param name="bgcolor" value="#ffffff" /><embed src="button.swf" quality="high" bgcolor="#ffffff" width="150" height="400" name="button" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />
</object>
<iframe name="intro" src="http://www.html.it"></iframe>
</body>
</html>