Help With Streaming On Mac

I am running a site and have some audio streaming in place. It works fine on PC's. However, when I run the webpage on my mac the audio doesn't load. Can someone take a look and tell me how to fix it?

page with audio is here:
http://www.superfansonline.com/boards/viewtopic.php?t=44

this is the source code of where i believe the problem may be:

<object id="wmp" classid="CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95" codebase="http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=6,0,0,0" standby="Loading Microsoft Windows Media Player components..." type="application/x-oleobject">
<param name="FileName" value="{postrow.attach.cat_stream.U_DOWNLOAD_LINK}">
<param name="ShowControls" value="1">
<param name="ShowDisplay" value="0">
<param name="ShowStatusBar" value="1">
<param name="AutoSize" value="1">
<param name="AutoStart" value="0">
<param name="Visible" value="1">
<param name="AnimationStart" value="0">
<param name="Loop" value="0">
<embed type="application/x-mplayer2" pluginspage="http://www.microsoft.com/windows95/downloads/contents/wurecommended/s_wufeatured/mediaplayer/default.asp" src="{postrow.attach.cat_stream.U_DOWNLOAD_LINK}" name=MediaPlayer2 showcontrols=1 showdisplay=0 showstatusbar=1 autosize=1 autostart=0 visible=1 animationatstart=0 loop=0></embed>
</object>

It seems to be a windows media stream, which normally doesn't work due to the activeX code MS uses.

codebase="http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=6,0,0,0" standby="Loading Microsoft Windows Media Player components..." type="application/x-oleobject">

Macs & Linux can't access ActiveX "enhanced" pages, and it's usually a good idea to avoid it altogether as many users turn it off due to the security risks it poses.

However: It played for me fine as I have the Filp4Mac Windows media plugin for quicktime installed. (Get it for free at mactopia.com)

I'd generally advise using something a little more cross-plattform compatible though...
Maybe offer both a quicktime & windows media streams.