<!--

browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion); 

if (browserName == "Netscape" && browserVer >= 3) version="true";
else if (browserName == "Microsoft Internet Explorer" && browserVer >= 4) version="true";
else version="false"; 

browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion); 

if (browserName == "Netscape" && browserVer >= 4) ver=1;
else if (browserName == "Microsoft Internet Explorer" && browserVer >= 4) ver=2;
else ver =0; 

function pokaz(blok) {
  
  
  if(ver == 2)
  blok.style.visibility = 'visible'; 
  
  if (ver == 1)
  blok.style.visibility = 'show'; 
  

}

function ukryj(blok)
{
  if(ver == 2)
  blok.style.visibility = 'hidden'; 
  
  if (ver == 1)
  blok.style.visibility = 'hide';  
}


// -->