function ShowImg (Img, W, H){
  var Browser = navigator.appName;
  var Version = parseInt(navigator.appVersion);
  if ((Browser == "Netscape" & Version >= 4) ||
      (Browser == "Microsoft Internet Explorer" & Version >= 4)){
    ScrH = screen.height;
    ScrW = screen.width;
  } else {
    ScrH = 0;
    ScrW = 0;
  }

  var BorderW = 1;
  W += 2*BorderW;
  H += 2*BorderW;

  var Position;
  if ((ScrH > 0) && (ScrW > 0)) Position = ",left="+(ScrW - W)/2+",top="+(ScrH-H)/2;
  else Position = "";

  var TmpName= new Date();
  var NewName = "Name_"+TmpName.getTime();
  var Scrollbars = ",scrollbars=no";
  if ((ShowImg.arguments.length>3) && (ShowImg.arguments[3]== true)) Scrollbars = ",scrollbars=yes";

  var NewWin = window.open('', NewName, "toolbar=no,location=no,width="+W+",height="+H+",directories=no,status=no,menubar=no,resizable=no"+Scrollbars+Position);


  if (NewWin && NewWin.document){
    with (NewWin.document) {
      open();
      write('<html><head><title>Foto</title></head><body style="margin:0px;padding:0px;background-color:#000;">');
      write('<A href="#" onclick="window.close();return false;" title="Click to close"><IMG src="'+
             Img+'" style="display:block;margin:'+BorderW+'px; border:0"></a>');
      write('</body></html>');
      close();
    }
    return (false)
  } else return (true)
}


