function changeZalPic(picNo){
  
  var cssClass; 
  var obrId = jsTypy[picNo];
  
  //alert(obrazky[picNo]);
  
  switch(obrId) {
    case 1 : //zaluzie euro 
      cssClass = "zal_euro"; 
    break;
    case 2 :  //zaluzie motiv drevo
      cssClass = "zal_drevo"; 
    break;
    case 4 : //site
      cssClass = "site"; 
    break;
    case 5 : // dverni site
      cssClass = "site_dvere"; 
    break;
    case 7 :  //latkove roletky
      cssClass = "roletky_lat"; 
    break;
    case 8 :  // vertikalni zaluzie
      cssClass = "zal_vert"; 
    break;
    case 9 :  //venkovni rolety
      cssClass = "rolety_ven"; 
    break;
    case 10 :  // japonske steny
      cssClass = "steny_jap"; 
    break;
    
    default : cssClass ="zal_euro";
    
}

  var pic = "http://www.rolux.cz/galerie/obrazky/image.php?img="+obrazky[picNo];
  document.getElementById("formular_zal").style.background = "url('"+pic+"') no-repeat scroll 0 0 transparent";
  //alert(pic);
  //document.getElementById("formular_zal").className = cssClass; 
}

function testSV(hodnota,inputId){
        
    if(inputId == "MSGvyska"){
      var rozmer = "výška";
    }
    if(inputId == "MSGsirka"){
      var rozmer = "šířka";
    } 
     

    if( hodnota == undefined) return false;  
    
    if(isNaN(hodnota) || hodnota == "" || hodnota < 1){  //je promena cislo?vetsi nez nula?
      var MSG = "Zadaná " + rozmer + " musí být číslo větší než 0.";
      alert(MSG);
      document.getElementById(inputId).innerHTML = MSG;
    }
    else {     // v poradku
      document.getElementById(inputId).innerHTML = ""
    } 
  }

function zjistiCenu()
{
     var typID = document.getElementsByName("typ_zaluzie")[0].value;
     var sirka = document.getElementsByName("sirka")[0].value;
     var vyska = document.getElementsByName("vyska")[0].value;

     var url = "http://" + document.location.host + "/redakce/ajax.php?akce=rolux_vypocet&typ_zaluzie="+typID+"&sirka="+sirka+"&vyska="+vyska;
     if (isNaN(sirka) || sirka == "" || sirka < 1 || isNaN(vyska) || vyska == "" || vyska < 1 )
     {
      document.getElementById("mistoZobrazeni").innerHTML = "";
     }  
     else
      {
        if (window.ActiveXObject)
        {
          httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
        }
        else
        {
          httpRequest = new XMLHttpRequest();
        }
        httpRequest.open("GET", url, true);
        httpRequest.onreadystatechange= function () {processRequest(); } ;
        httpRequest.send(null);
      }
     
     
     
}

function processRequest()
{
  if (httpRequest.readyState == 4)
  {
    if(httpRequest.status == 200)
    {
      //var mistoZobrazeni = document.getElementById("mistoZobrazeni");
      //mistoZobrazeni.innerHTML = httpRequest.responseText;
      var xmlResponse = httpRequest.responseXML;

      if (!xmlResponse || !xmlResponse.documentElement)
        throw("Invalid XML structure:\n" + xmlHttp.responseText);
      var rootNodeName = xmlResponse.documentElement.nodeName;
      if (rootNodeName == "parsererror")
        throw("Invalid XML structure:\n" + xmlHttp.responseText);
      xmlRoot = xmlResponse.documentElement;
      if (rootNodeName != "response" || !xmlRoot.firstChild)
        throw("Invalid XML structure:\n" + xmlHttp.responseText);
    
      
      var alertString = xmlRoot.getElementsByTagName("alert").item(0).firstChild.data;
      if(alertString == 'OK'){
        document.getElementById("MSGerror").innerHTML = "";
        document.getElementById("mistoZobrazeni").innerHTML = xmlRoot.getElementsByTagName("info").item(0).firstChild.data;
      } else {
        document.getElementById("MSGerror").innerHTML = alertString;
        document.getElementById("mistoZobrazeni").innerHTML = "";
        alert(alertString);
      }
    



      
    }
    else
    {
        alert("Chyba při načítáni stánky"+ httpRequest.status +":"+ httpRequest.statusText);
    }
  }
}




var actualLoad = "img_zah1";
/*var actualLoadNadp = "img_zah1Nadp";
var actualLoadPop = "img_zah1Pop";*/

var waitLoad = "img_zah2";
/*var waitLoadNadp = "img_zah2Nadp";
var waitLoadPop = "img_zah2Pop";*/

var actualLoadTmp = "";
/*var actualLoadTmpNadp = "";
var actualLoadTmpPop = "";*/



var obnova = 5000;

function rotateImgLoad(){

  if((document.location.host == 'www.rolux.cz') || (document.location.host == 'www.rolux.cz')){
    var adresarObr = "65197";
  } else {
    var adresarObr = "65196";
  }
  
  actualLoadTmp = actualLoad;
  actualLoad = waitLoad;
  waitLoad = actualLoadTmp;

  jQuery('#' + waitLoad).load('http://' + document.location.host + '/redakce/ajax.php?akce=nahodnyobrrolux&adresarObr=' + adresarObr + '&subakce=randoimg', function() {

  });

  

}


function rotateImg(){
  if(document.getElementById(actualLoad)){

    document.getElementById(actualLoad).style.display = "none";
    
    document.getElementById(waitLoad).style.display = "";

    rotateImgLoad();
    setTimeout('rotateImg()', obnova);
  }
}