Essayes ce code puis si ça ne marche pas postes le flux html généré :
echo '
<td>
<script
src="DWConfiguration/ActiveContent/IncludeFiles/AC_RunActiveContent.js"
type="text/javascript">
</script>
<script type="text/javascript">
AC_FL_RunContent( \'codebase\',\'http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0\',\'width\',\'320\',\'height\',\'280\',\'src\',\''.$data['video_preparation'].'\',\'quality\',\'high\',\'pluginspage\',\'http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash\',\'movie\',\''.$data['video_preparation'].'\' )\;
//end AC code
</script>
<noscript>
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0" width="320" height="280">
<param name="movie" value="'.$data['video_preparation'].'" />
<param name="quality" value="high" />
<embed src="'.$data['video_preparation'].'"
quality="high"
pluginspage="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash"
type="application/x-shockwave-flash"
width="320" height="280">
</embed>
</object>
</noscript>
</td>';
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