// JavaScript Document    
function popup(url, title, w, h) {      
        window.open("<?=$abs_path_prefix?>/popup_img.php?img="+url+"&"+"title="+title, "Nahled", "left=100,top=100,width="+w+",height="+h+",toolbar=0,resizable=0");    
}

function kontrolaDat(vstup){
  if(confirm('Opravdu přejete potvrdit volbu?'))
    return true;
  else
    return false;
}

function zmen(radek) {
	tedecka = radek.getElementsByTagName("td");
  for (i=0; i < tedecka.length; i++)
	{
	tedecka[i].className+=' w';
	}
}

function vrat(radek){	
  for (i=0; i < tedecka.length; i++)
	{
	tedecka[i].className=tedecka[i].className.substring(0,1);
	alert(tedecka[i].className);
  }
}


function test()
{
  alert('funguju');
}

/*** Ajaxe   ***/
function vyberClanek(selectedId) 
{ 
  var idLode = document.getElementById("nazev_zajezdu").value; 
  var url = 'ajax.php';
  
  if (url != 0)   
  { 
    if (window.ActiveXObject) 
    { 
      httpRequest = new ActiveXObject("Microsoft.XMLHTTP"); 
    } 
    else 
    { 
      httpRequest = new XMLHttpRequest(); 
    } 

    httpRequest.open("GET", url+'?id='+idLode+'&selectedId='+selectedId, true);    
    
    httpRequest.onreadystatechange= function () 
    {
      processRequest('mistoZobrazeni');       
    } ; 
    httpRequest.send(null); 
  } 
  else 
  { 
    document.getElementById("mistoZobrazeni").innerHTML = ""; 
  } 
}

function vyberPocetMist(selectedId) 
{ 

  var idTermin = document.getElementById("termin_zajezdu").value; 
  var url = 'ajaxPocetMist.php';
  if (url != 0) 
  
  { 
    if (window.ActiveXObject) 
    { 
      httpRequest = new ActiveXObject("Microsoft.XMLHTTP"); 
    } 
    else 
    { 
      httpRequest = new XMLHttpRequest(); 
    } 
    
    httpRequest.open("GET", url+'?idTermin='+idTermin+'&selectedId='+selectedId, true);    
    
    httpRequest.onreadystatechange= function () 
    {
      processRequest('pocetMistZobrazeni');       
    } ; 
    httpRequest.send(null); 
  } 
  else 
  { 
    document.getElementById("pocetMistZobrazeni").innerHTML = ""; 
  } 
}

function kolikJeMist() 
{ 

  var idTermin = document.getElementById("termin_zajezdu").value; 
  var url = 'ajaxKolikJeMist.php';
  if (url != 0) 
  
  { 
    if (window.ActiveXObject) 
    { 
      httpRequest = new ActiveXObject("Microsoft.XMLHTTP"); 
    } 
    else 
    { 
      httpRequest = new XMLHttpRequest(); 
    } 
    
    httpRequest.open("GET", url+'?idTermin='+idTermin, true);    
    
    httpRequest.onreadystatechange= function () 
    {
      processRequest('kolikMistZobrazeni');       
    } ; 
    httpRequest.send(null); 
  } 
  else 
  { 
    document.getElementById("kolikMistZobrazeni").innerHTML = ""; 
  } 
}

function processRequest(kde)
{
  if (httpRequest.readyState == 4)
  { 
    if(httpRequest.status == 200) 
    { 
      var mistoZobrazeni = document.getElementById(kde); 
      mistoZobrazeni.innerHTML = httpRequest.responseText;      
    } 
    else 
    { 
        alert("Chyba pri nacitani stanky "+ httpRequest.status +":"+ httpRequest.statusText);
    }
  }
}