var xHttp;

function ZobrazInfoOkno(dataSource,element) 
    {         
     xHttp = VytvorXMLHttp();   
     xHttp.open("GET", dataSource); 
     xHttp.onreadystatechange = function()
     {   
       if (xHttp.readyState == 4 && xHttp.status == 200) 
       {      
             var vypis = document.getElementById(element);
             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 hide_popup ()
    {
        var div = document.getElementById("popupContact");
        var divBG = document.getElementById("popupContactBG");
        div.style.display = "none";
        divBG.style.display = "none";
    }    

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