var xHttp;
    
function Vypis(dataSource) 
    { 
     xHttp = VytvorXMLHttp();
     xHttp.open("GET", dataSource); 
     xHttp.onreadystatechange = function()
     { 
       if (xHttp.readyState == 4 && xHttp.status == 200) 
       { 
             var vypis = document.getElementById("info_window");
             vypis.innerHTML = xHttp.responseText;
       }
     } 
     xHttp.send(null); 
    }
    
function ZobrazOkno(dataSource) 
    {
     xHttp = VytvorXMLHttp();
     xHttp.open("GET", dataSource); 
     xHttp.onreadystatechange = function()
     { 
       if (xHttp.readyState == 4 && xHttp.status == 200) 
       { 
             var vypis = document.getElementById("contactArea");
             vypis.innerHTML = xHttp.responseText;
       }
     } 
     xHttp.send(null); 
    }
    
function ZobrazOknoNastaveni_opravneni_obrazku(udalost,Soubor) 
    {
        var div = document.getElementById("popupContact");
        var divBG = document.getElementById("popupContactBG");
        div.style.display = "block";
        divBG.style.display = "block";
        var sirkaDiv = 300;
        var topDiv = 100;
        div.style.top = topDiv + "px";
        //div.style.width = sirkaDiv + "px";
        
        var sirkaOkna = document.documentElement.clientWidth;
	      var vyskaOkna = document.documentElement.clientHeight;
	      var vyskaDiv = vyskaOkna - topDiv - 100;
        div.style.left = (sirkaOkna / 2 - sirkaDiv / 2) + "px";
        
        var vypis = document.getElementById("contactArea");
        vypis.innerHTML = "<div></div>";
        ZobrazOkno ("./adminfiles/pictures-opravneni.php?Soubor=" + Soubor); 
    }    
    
    
  function hide_popup ()
    {
        var div = document.getElementById("popupContact");
        var divBG = document.getElementById("popupContactBG");
        div.style.display = "none";
        divBG.style.display = "none";
    }    

  function RESZobrazOkno_Link(udalost,Obrazek,Objekt) 
    {
        var div = document.getElementById("popupContact");
        var divTitle = document.getElementById("popupContactTitle");
        var divBG = document.getElementById("popupContactBG");
        div.style.display = "block";
        divBG.style.display = "block";
        var sirkaDiv = 800;
        var vyskaDiv = 200;
        var topDiv = 150;
        div.style.top = topDiv + "px";
        div.style.width = sirkaDiv + "px";
        div.style.height = vyskaDiv + "px";
                
        var sirkaOkna = document.documentElement.clientWidth;
	      var vyskaOkna = document.documentElement.clientHeight;
	      div.style.left = (sirkaOkna / 2 - sirkaDiv / 2) + "px";       
        
        var vypis = document.getElementById("contactArea");
        vypis.innerHTML = "<div></div>";
        divTitle.innerHTML = "<span>Informace ...</span>";
        ZobrazOkno ("./adminfiles/info-link-" + Objekt + ".php?Obrazek=" + Obrazek); 
    }

  function VypisLink(udalost,dokument,typ) 
    {
        var vypis = document.getElementById("info_window");
        vypis.innerHTML = "<div></div>";
        Vypis ("info-window.php?dokument=" + dokument + "&typ=" + typ); 
    } 
    
         

  function VytvorXMLHttp() 
    {
        var xmlHttp= false;
  
        if (window.ActiveXObject) 
            {
                xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
            }
            else if (window.XMLHttpRequest) 
            {
            xmlHttp = new XMLHttpRequest();
            }
    
    return xmlHttp;
  }