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>Velká fotografie</title></head><body style="margin:0px;padding:0px;background-color:#000000;">');
      write('<A href="javascript:close();" title="Kliknutím zavřete"><IMG src="'+
             Img+'" hspace="'+BorderW+'" vspace="'+
             BorderW+'" border="0"></a>');
      write('</body></html>');
      close();
    }
    return (false)
  } else return (true)
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
