function ffvl_cfd_calcHeight()
{
  //find the height of the internal page
  //the_height=window.frames[ffvl_cfd_frame].contentWindow.document.body.scrollHeight;
//  var the_height =window.frames[iframeName]document.getElementById('ffvl_cfd_frame').contentWindow.scrollHeight;
 // the_frame=document.getElementById('ffvl_cfd_frame') ;
 // var the_height=document.getElementById('ffvl_cfd_frame').scrollHeight ;
 // the_height=the_frame.contentDocument.body.offsetHeight ;

  //change the height of the iframe
 // document.getElementById('ffvl_cfd_frame').height = 200;
}