This was useful. I had a similar problem ? and allowScriptAccess worked for me.
It has to appear twice in the HTML code as noted *** once in the param and
once in the embed.
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#ve
rsion=5,0,0,0" width="750" height="52">
<param name=movie value="test.swf">
<param name="allowScriptAccess" value="always"> ***
<param name="menu" value="false">
<param name="quality" value="high">
<param name="LOOP" value="false">
<param name="SCALE" value="exactfit">
<param name="BGCOLOR" value="#000033">
<embed src="test.swf" width="750" height="52" loop="false"
allowScriptAccess="always" *** menu="false" quality="high"
pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Vers
ion=ShockwaveFlash" type="application/x-shockwave-flash" scale="exactfit"
bgcolor="#000033"> </embed></object>
CLiFF
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