var bo_ns_id = 0;

function startIeFix(){
  if(isIE()){
    document.write('<div id="bo_ns_id_' + bo_ns_id + '"><!-- ');
  }
}

function endIeFix(){
  if(isIE()){
    document.write('</div>');
    var theObject = document.getElementById("bo_ns_id_" + bo_ns_id++);
    var theCode = theObject.innerHTML;
    theCode = theCode.substring(4 ,9+theCode.indexOf("</object>"))
    document.write(theCode);
  }
}

function isIE(){
  // only for Win IE 6+
  // But not in Windows 98, Me, NT 4.0, 2000
  var strBrwsr= navigator.userAgent.toLowerCase();
  if(strBrwsr.indexOf("msie") > -1 && strBrwsr.indexOf("mac") < 0){
    if(parseInt(strBrwsr.charAt(strBrwsr.indexOf("msie")+5)) < 6){
      return false;
    }
    if(strBrwsr.indexOf("win98") > -1 ||
       strBrwsr.indexOf("win 9x 4.90") > -1 ||
       strBrwsr.indexOf("winnt4.0") > -1 ||
       strBrwsr.indexOf("windows nt 5.0") > -1)
    {
      return false;
    }
    return true;
  }else{
    return false;
  }
}



Nowe=null; 
function Pokaz(id) { 
winwidth = 400;
winheight = 400;
xpoz = screen.width/2 - winwidth/2;
ypoz = screen.height/2 - winheight/2;
Nowe=null;
Nowe=window.open("pokaz.php?id="+id, "","toolbar=no,menubar=no,location=no,personalbar=no, scrollbars=yes,status=no,directories=no,resizable=yes,height="+winheight+",width="+winwidth+",left="+xpoz+",top="+ypoz);
Nowe.focus();
}