var myTWin500 = window.myTWin500;
    function Open500(link,winName,sirka,vyska)
    {var retValue500=true;
      if (myTWin500!=null && !myTWin500.closed) { myTWin500.focus(); myTWin500.location.href=link.href; }
      else { myTWin500=window.open(link.href,winName,"width="+sirka+",height="+vyska+",left=50,top=5");
        if (myTWin500==null || typeof(myTWin500)=="undefined") retValue500=false;
        else { link.target=winName; myTWin500.focus(); } }
      return retValue500; }
    var myTWin450 = window.myTWin450;
    function Open450(link,winName,sirka,vyska)
    {var retValue450=true;
      if (myTWin450!=null && !myTWin450.closed) { myTWin450.focus(); myTWin450.location.href=link.href; }
      else { myTWin450=window.open(link.href,winName,"width="+sirka+",height="+vyska+",left=50,top=5");
        if (myTWin450==null || typeof(myTWin450)=="undefined") retValue450=false;
        else { link.target=winName; myTWin450.focus(); } }
      return retValue450; }
    var myTWin650 = window.myTWin650;
    function Open650(link,winName,sirka,vyska)
    {var retValue650=true;
      if (myTWin650!=null && !myTWin650.closed) { myTWin650.focus(); myTWin650.location.href=link.href; }
      else { myTWin650=window.open(link.href,winName,"width="+sirka+",height="+vyska+",left=50,top=5");
        if (myTWin650==null || typeof(myTWin650)=="undefined") retValue650=false;
        else { link.target=winName; myTWin650.focus(); } }
      return retValue650; }