you probably have to add it to your .js as well, so:
AC_FL_RunContent( 'codebase','http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0','width','670','height','450','title','slideshow - battery families','src','/xml_demo','quality','high','pluginspage','http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash','scale','exactfit','movie','/xml_demo' ); //end AC code
becomes:
AC_FL_RunContent( 'codebase','http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0','width','670','height','450','title','slideshow - battery families','src','/xml_demo','quality','high','pluginspage','http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash','scale','exactfit','movie','/xml_demo','wmode','transparent' ); //end AC code