var pdf_dir;
  var pdf_win, mls_win, add_win, update_win, vid_win;

  function setPDFDir( dir )
  {
    pdf_dir = dir;
  }

  function openPDF( filename ) 
  {
      pdf_win = window.open(pdf_dir+filename, "pdf_win", "location=no,resizable=yes,width="+(screen.availWidth-10)+",height="+(screen.availHeight-30));
      pdf_win.moveTo(0,0);
    pdf_win.focus();
  }

  function openMLS( mls_num) 
  {
    if (mls_win == null || mls_win.closed) 
    {
      mls_win = window.open("" ,  "mls_win", "location=no,scrollbars=yes,resizable=yes,width=548,height="+(screen.availHeight-30<715?screen.availHeight-30:715));
      mls_win.moveTo(0, 0);
    }
    mls_win.location = "http://idx.mlspin.com/details.asp?mls="+mls_num+"&aid=c7384797&pass=stewart";
    mls_win.focus();
  }
  
  function openVideo(id_num) 
  {
    if (vid_win == null || vid_win.closed) 
    {
      vid_win = window.open("" ,  "vid_win", "location=no,scrollbars=yes,resizable=yes,width=550,height=600");
    }
    vid_win.location = "http://www.newenglandmoves.com/movies/HomeMovie.html?id=" + id_num;
    vid_win.focus();
  }