Custom Flash embed dialog - code losing custom attributes (I

var oCloned = oEmbed.cloneNode( true ) ;

// On IE, some properties are not getting clonned properly, so we
// must fix it. Thanks to Alfonso Martinez.
if ( FCKBrowserInfo.IsIE )
{
   var aAttributes = [ 'scale', 'play', 'loop', 'menu', 'wmode', 'quality' ] ;
   for ( var iAtt = 0 ; iAtt < aAttributes.length ; iAtt++ )
   {
      var oAtt = oEmbed.getAttribute( aAttributes[iAtt] ) ;
      if ( oAtt ) oCloned.setAttribute( aAttributes[iAtt], oAtt ) ;
   }
   // It magically gets lost after reading it in oType
   oCloned.setAttribute( 'type', oType.nodeValue ) ;
}

var oImg = FCKDocumentProcessor_CreateFakeImage( 'FCK__Flash', oCloned ) ;
oImg.setAttribute( '_fckflash', 'true', 0 ) ;

FCKFlashProcessor.RefreshView( oImg, oEmbed ) ;

var aAttributes = [ 'scale', 'play', 'loop', 'menu', 'wmode', 'quality' ] ; 

var aAttributes = [ 'scale', 'play', 'loop', 'menu', 'wmode', 'quality', '_myattr1','_myattr2'] ;