function watch_trailer_56971(aa) { 
  if  (aa ==1) { 
 window.open( "http://www.youtube.com/v/iWTZoOyWsII&hl=en" , "abc", "fullscreen=yes,toolbar=no,status=no,menubar=no,scrollbars=yes,  resizable=yes,directories=no,location=no,width=630,height=500,left=50,top=50"); 
 }
}