function crearflashCabecera()
{
<!--
var hasRightVersion = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision);
if(hasRightVersion) 
{  // if we've detected an acceptable version
    var oeTags = ' <div id="contenedor"> <object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"'
    + 'width="235" height="95"'
    + 'codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab">'
    + '<param name="movie" value="cabecera.swf" /> <param name="quality" value="high" /><param name="bgcolor" value="#333" /><param name="allowScriptAccess" value="sameDomain" />  '
	+	'<embed src="cabecera.swf" quality="high" bgcolor="#333" '
    + 'width="235" height="95" name="base" align="middle" '
    + 'play="true" '
    + 'loop="false" '
    + 'quality="high" '
    + 'allowScriptAccess="sameDomain" '
    + 'type="application/x-shockwave-flash" '
	+ 'pluginspage="http://www.macromedia.com/go/getflashplayer"> '
    + '<\/embed>'
    + '<\/object> </div>';
    document.write(oeTags);   // embed the flash movie
} 
else 
{  
// flash is too old or we can't detect the plugin
    var alternateContent = 'Alternate HTML content should be placed here.'
  	+ 'This content requires the Macromedia Flash Player.'
   	+ '<a href=http://www.macromedia.com/go/getflash/>Get Flash</a>';
    document.write(alternateContent);  // insert non-flash content
 }
 }