var tv_Stanice=new Array(); 
tv_Stanice[1] = 0;
tv_Stanice[2] = 0;
tv_Stanice[3] = 0;
tv_Stanice[4] = 0;
tv_Stanice[5] = 0;
tv_Stanice[6] = 0;
tv_Stanice[7] = 0;
tv_Stanice[8] = 0;
tv_Stanice[9] = 0;
tv_Stanice[10] = 0;
tv_Stanice[11] = 0;
tv_Stanice[12] = 0;
tv_Stanice[13] = 0;
tv_Stanice[14] = 0;
tv_Stanice[15] = 0;
tv_Stanice[16] = 0;
tv_Stanice[17] = 0;
tv_Stanice[18] = 0;

function anketa_tango_show(check)
{

    var version = parseFloat(navigator.appVersion.split('MSIE')[1]); 
    if (version) { 
        if (version < 7) {
            if (check == 1){ alert("Vážený zákazník!\n\nVerzia Vášho internetového prehliadača je zastaralá a preto sa v tejto chvíli nemôžete zapojiť do ankety.\nNainštalujte si prosím novšiu verziu prehliadača, ktorá Vám to umožní.\n\nĎakujem za pochopenie "); }
            return false; 
        } 
    }

    var arrayPageSize = getPageSize();
    var arrayPageScroll = getPageScroll();

    var objBox = document.getElementById('anketa_tango_formular');  
    objBox.style.zIndex = '1000';
    var sirka = 596;
    objBox.style.width = sirka + "px";
    
    //var objBoxTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - objBox.style.height) / 2);
    var objBoxLeft = ((arrayPageSize[0] - 20 - sirka) / 2);
    objBox.style.left = objBoxLeft + "px";
    objBox.style.top = "30px";
    objBox.style.display = 'block';  
    objBox.style.position = 'absolute';
    
    // Zrusi promo video, pretoze ze ho ukazuje v popredi stale
    
    
    /* Priesvitne pozadie */  
    //var obj = document.getElementById("overlay");
    //document.body.removeChild(obj); 
      
    var objBody = document.getElementsByTagName("body").item(0);
    var objOverlay = document.createElement("div");
    objOverlay.setAttribute('id','anketa_overlay');
    objOverlay.style.height = (arrayPageSize[1] + 'px');
    objOverlay.style.display = 'block';
    objOverlay.style.position = 'absolute';
    objOverlay.style.top = '0';
    objOverlay.style.left = '0';
    objOverlay.style.zIndex = '90';
    objOverlay.style.width = '100%';
    objBody.insertBefore(objOverlay, objBody.firstChild); 
    
    if (document.getElementById('player')) {
        document.getElementById('player').style.display = 'none'; 
    }
    
    anketa_tango_step(1);
      
}


function anketa_tango_close()
{
    
    var objOverlay = document.getElementById('anketa_overlay');
    var objBox = document.getElementById('anketa_tango_formular'); 
    objOverlay.style.display = 'none';  
    objBox.style.display = 'none';
    if (document.getElementById('player')) {
        document.getElementById('player').style.display = 'block'; 
    }

}






function anketa_tango_alertContents() {
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
            //alert(http_request.responseText);
            result = http_request.responseText;
            //document.getElementById('myspan').innerHTML = result;            
         } else {
            alert('There was a problem with the request.');
         }
      }
   }



 function anketa_tango_makeRequest(url, parameters) {
      http_request = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
             // set type accordingly to anticipated content type
            //http_request.overrideMimeType('text/xml');
            http_request.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_request) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }
      http_request.onreadystatechange = anketa_tango_alertContents;
      http_request.open('GET', url + parameters, true);
      http_request.send(null);
      //step(5);
}

function get_params_anketa_tango() {
    //var c   = form.childNodes;
    var qs = '?';
    var odpovede = 'odpovede='; 
    var i;
    for ( i = 1; i <= 18; i++)
    {
        if ( tv_Stanice[i] == 1 ) { odpovede +=  i + "|";  };
    }
    
    qs += odpovede; 
    var ine_programy = document.getElementById("ine_programy").value;
    qs += '&ine=' + ine_programy; 
    qs = qs.replace(/[&]$/, '');
    return qs;
}

function anketa_tango_submit()
{
    //var form = document.getElementById("anketa");
    anketa_tango_makeRequest('/ajaxservis/sendanketatango', get_params_anketa_tango());
    alert("Ďakujeme, že ste sa zúčastnili ankety a prajeme Vám pekný deň.");
    anketa_tango_close();  
    
}

function anketa_tango_step(to)
{
    var to;
    to = "anketa_tango_krok" + to; 
    document.getElementById("anketa_tango_krok1").style.display= "none" ; 
    document.getElementById("anketa_tango_krok2").style.display= "none" ;    
    
    document.getElementById(to).style.display= "block" ;
    if ( to == "anketa_tango_krok2" ) { anketa_tango_makeRequest('/ajaxservis/sendanketatangonext', '?asasaads=1684'); }; 
       
}



function select_tv_anketa(idtv) 
{
    var sum = 0;
    for (var i = 1; i <= 18; i++)
    {
        sum = sum + tv_Stanice[i];
    }
    

    if (tv_Stanice[idtv] == 1) { tv_Stanice[idtv] = 0; }
    else 
    { 
        if ( sum < 10 ) { tv_Stanice[idtv] = 1; }
        else { alert("Dosiahli ste limit výberu 10 televíznych stanic"); }; 
    };

    check_select();
      
}


function check_select()
{
    for (var idtv = 1; idtv <= 18; idtv++)
    {
        stav = tv_Stanice[idtv];
        if (stav == 1)
            { 
                document.getElementById("tvid-"+ idtv).className="stanica odfajknute";
            }
            else
            { document.getElementById("tvid-"+ idtv).className="stanica"; } 
    }
    

}