interesting problem here guys.
embedded swf in a frameset.
comes up fine on a PC.
wont show on a MAC

heres the code::

<!-- BEGIN Popup Blocker -->
<scriptlanguage='javascript'>
NS_ActualOpen=window.open;
function NS_NullWindow(){this.window;}
function NS_NewOpen(url,nam,atr){return(new NS_NullWindow());}
window.open=NS_NewOpen;
</script>
<!-- END Popup Blocker -->
<HTML>
<HEAD>
<TITLE>web_IR</TITLE>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
</HEAD>
<BODY BGCOLOR=#3399CC LEFTMARGIN=0 TOPMARGIN=0 MARGINWIDTH=0 MARGINHEIGHT=0>
<object classid="clsid27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0" width="755" height="177">
<param name=movie value="nav.swf">
<param name=quality value=high>
<embed src="navtest.swf" quality=high pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash" width="755" height="177">
</embed>

</object></BODY><script> window.open=NS_ActualOpen; </script>

</HTML>

any suggestions or solutions??