var katalogy = {
    "cz-obecne": 5,
    "cz-eshop": 6,
    "sk-obecne": 6,
    "en-obecne": 10,
    "de-obecne": 12,
    "esp-obecne": 12,
    "hun-obecne": 12,
    "pol-obecne": 12
};   // cena katalogu
var fakturac_udaje_vyplneny = 0;
var email_udaje_false = 0;
var koef = 1;
/*kody pro obsluhu udalosti zmeny baryv pozadi inputu + textarey*/
var KOD_ERROR = 0;
var KOD_OK = 1;
var KOD_ENABLE = 2;
var KOD_DISABLE = 3;

var POC_ZNAK_MIN_NAZEV_STRANKY = 5;
var POC_ZNAK_MAX_NAZEV_STRANKY = 50;
var POC_ZNAK_MIN_POPIS = 170;
var POC_ZNAK_MAX_POPIS = 250;

$(document).ready(function(){       
    if($("#slevovy_kod").val()!="")
        verify_code();
    for(var i=1;i<open+1;i++)
    {
        onSelectChangePocetKatalogu(i); // pocitani ceny - aby tam byla uz od pocatku
        if($('#nazev_stranky'+i+'_hidden').val()==1)
            disable('nazev_stranky_check'+i, 'nazev_stranky'+i);
        if($('#keywords'+i+'_hidden').val()==1)
            disable('keywords_check'+i, 'keywords'+i);
        if($('#firemni_udaje'+i+'_hidden').val()==1)
            disable('firemni_udaje_check'+i, 'firemni_udaje'+i);
        if($('#popis'+i+'_hidden').val()==1)
            disable('popis_check'+i, 'popis'+i, 1);
        if($('#email_povrzujici'+i+'_hidden').val()==1)
            disable('email_povrzujici_check'+i, 'email_povrzujici'+i);
    }
    updateCelkoveCeny();   // pocitani konecne ceny
    if(errorForm) // generated by PHP
        check_obligatory_elements();   
    // zde pri modifikaci musis menit pouze cast nize  
    $("#addbuttonlink").click(function (event) {  
        open++; 
        var newRow = '<div style="display:none" id="item_'+open+'"><h4>'+open+'. Web</h4> <div class="labely"><p><label>České obecné katalogy</label>'+
        '<input type="checkbox"  id="katalog_cz-obecne'+open+'" onclick="click_katalog(\'cz-obecne\','+open+')" class="check-box1" />'+
        '<input class="display_none" type="hidden" name="pocet_katalogu1_check[]" id="katalog_cz-obecne'+open+'_hidden" value="1" />'+
        '<span id="cz-obecne'+open+'"></span></p><p><label>České e-shop katalogy</label><input type="checkbox"  id="katalog_cz-eshop'+open+'" onclick="click_katalog(\'cz-eshop\','+open+')" class="check-box1" />'+
        '<input class="display_none" type="hidden" name="pocet_katalogu2_check[]" id="katalog_cz-eshop'+open+'_hidden" value="1" /><span id="cz-eshop'+open+'"></span></p>'+
        '<p><label>Slovenské katalogy</label><input type="checkbox"  id="katalog_sk-obecne'+open+'" onclick="click_katalog(\'sk-obecne\','+open+')" class="check-box1" />'+
        '<input class="display_none" type="hidden" name="pocet_katalogu3_check[]" id="katalog_sk-obecne'+open+'_hidden" value="1" /><span id="sk-obecne'+open+'"></span></p>'+
        '<p><label>Anglické katalogy</label><input type="checkbox"  id="katalog_en-obecne'+open+'" onclick="click_katalog(\'en-obecne\','+open+')" class="check-box1" />'+
        '<input class="display_none" type="hidden" name="pocet_katalogu4_check[]" id="katalog_en-obecne'+open+'_hidden" value="1" /><span id="en-obecne'+open+'"></span></p>'+
        '<p><label>Německé katalogy</label><input type="checkbox"  id="katalog_de-obecne'+open+'" onclick="click_katalog(\'de-obecne\','+open+')" class="check-box1" />'+
        '<input class="display_none" type="hidden" name="pocet_katalogu5_check[]" id="katalog_de-obecne'+open+'_hidden" value="1" /><span id="de-obecne'+open+'"></span></p>'+
        '<p><label>Španělské katalogy</label><input type="checkbox"  id="katalog_esp-obecne'+open+'" onclick="click_katalog(\'esp-obecne\','+open+')" class="check-box1" />'+
        '<input class="display_none" type="hidden" name="pocet_katalogu6_check[]" id="katalog_esp-obecne'+open+'_hidden" value="1" /><span id="esp-obecne'+open+'"></span></p>'+
        '<p><label>Maďarské katalogy</label><input type="checkbox"  id="katalog_hun-obecne'+open+'" onclick="click_katalog(\'hun-obecne\','+open+')" class="check-box1" />'+
        '<input class="display_none" type="hidden" name="pocet_katalogu7_check[]" id="katalog_hun-obecne'+open+'_hidden" value="1" /><span id="hun-obecne'+open+'"></span></p>'+
        '<p><label>Polské katalogy</label><input type="checkbox"  id="katalog_pol-obecne'+open+'" onclick="click_katalog(\'pol-obecne\','+open+')" class="check-box1" />'+
        '<input class="display_none" type="hidden" name="pocet_katalogu8_check[]" id="katalog_pol-obecne'+open+'_hidden" value="1" /><span id="pol-obecne'+open+'"></span></p>'+
        '</div>'+
        '<p><label>Cena</label> <span id="cena_jednotliva'+open+'">0</span><span id="kc"> Kč</span></p>  <p><label>Internetová adresa<span class="req" title="Povinné">*</span>'+
        '</label><input type="text" value="http://" name="internetova_adresa[]" id="internetova_adresa'+open+'"  onblur="check_validity_url(\'internetova_adresa'+open+'\')" onkeyup="check_validity_url(\'internetova_adresa'+open+'\')" /></p><p><label>Název stránky</label><input type="text" name="nazev_stranky[]" id="nazev_stranky'+open+'" onfocus="change_visibility(\'nazev_stranky_desc'+open+'\',1)" onblur="change_visibility(\'nazev_stranky_desc'+open+'\',0);pocet_znaku_input(\'nazev_stranky'+open+'\',\'title_poc_znak'+open+'\', ' + POC_ZNAK_MIN_NAZEV_STRANKY + ',' + POC_ZNAK_MAX_NAZEV_STRANKY + ')" onkeyup="pocet_znaku_input(\'nazev_stranky'+open+'\',\'title_poc_znak'+open+'\', ' + POC_ZNAK_MIN_NAZEV_STRANKY + ',' + POC_ZNAK_MAX_NAZEV_STRANKY + ')"/><i class="h" id="nazev_stranky_desc'+open+'"><span id="title_poc_znak'+open+'">0</span>/'+POC_ZNAK_MAX_NAZEV_STRANKY+' (min. '+POC_ZNAK_MIN_NAZEV_STRANKY+')</i></p>'+
        '<p class="check-zdarma"><input type="checkbox"  id="nazev_stranky_check'+open+'" onclick="pocet_znaku_input(\'nazev_stranky'+open+'\',\'title_poc_znak'+open+'\', ' + POC_ZNAK_MIN_NAZEV_STRANKY + ',' + POC_ZNAK_MAX_NAZEV_STRANKY + ',1);disable_and_check(\'nazev_stranky_check'+open+'\', \'nazev_stranky'+open+'\')" class="check-box" />'+
        'Chci navrhnout zdarma název stránky<input type="hidden" name="nazev_stranky_check[]" id="nazev_stranky'+open+'_hidden" value="0" class="h" /></p><p><label>Popis</label><textarea name="popis[]" rows="10" id="popis'+open+'" cols="15" onfocus="change_visibility(\'popis_desc'+open+'\',1)" onblur="change_visibility(\'popis_desc'+open+'\',0);pocet_znaku_input(\'popis'+open+'\',\'popis_poc_znak'+open+'\', ' + POC_ZNAK_MIN_POPIS + ',' + POC_ZNAK_MAX_POPIS + ',1)" onkeyup="pocet_znaku_input(\'popis'+open+'\',\'popis_poc_znak'+open+'\', ' + POC_ZNAK_MIN_POPIS + ',' + POC_ZNAK_MAX_POPIS + ',1)">'+
        '</textarea><span class="ontextarea"><i id="popis_desc'+open+'" class="h"><span id="popis_poc_znak'+open+'">0</span>/'+POC_ZNAK_MAX_POPIS+' (min. '+POC_ZNAK_MIN_POPIS+')</i></span></p><p><input type="checkbox" id="popis_check'+open+'" onclick="pocet_znaku_input(\'popis'+open+'\',\'popis_poc_znak'+open+'\', ' + POC_ZNAK_MIN_POPIS + ',' + POC_ZNAK_MAX_POPIS + ',1);disable_and_check(\'popis_check'+open+'\', \'popis'+open+'\', 1)" class="check-box" />'+
        'Chci navrhnout zdarma popis<input type="hidden" name="popis_check[]" id="popis'+open+'_hidden" value="0" class="h"/></p>'+
        '<p id="xml_feed'+open+'" class="display_none"><input type="hidden" name="xml_feed_check[]" id="xml_feed'+open+'_hidden" value="0" class="display_none" /></p>'+
        '<p id="firemni_udaje'+open+'" class="display_none"><input type="hidden" name="firemni_udaje_check[]" id="firemni_udaje'+open+'_hidden" value="0" class="display_none" /></p>'+
        '<p><label>Klíčová slova</label><input type="text" name="keywords[]"   id="keywords'+open+'" onfocus="change_visibility(\'keywords_desc'+open+'\',1)" onblur="change_visibility(\'keywords_desc'+open+'\',0);isElemEmpty(\'keywords'+open+'\')" onkeyup="isElemEmpty(\'keywords'+open+'\')" /><i id="keywords_desc'+open+'" class="h">Keywords oddělená čárkou</i></p><p class="check-zdarma">'+
        '<input type="checkbox" id="keywords_check'+open+'" onclick="disable(\'keywords_check'+open+'\', \'keywords'+open+'\')"   class="check-box" />'+
        'Chci navrhnout zdarma klíčová slova<input type="hidden" name="keywords_check[]" id="keywords'+open+'_hidden" value="0" class="h" /></p>'+
        '<p><label>Verifikační E-mail</label><input id="email_povrzujici'+open+'" type="text" name="email_povrzujici[]" onfocus="change_visibility(\'email_povrzujici_desc'+open+'\',1)" onblur="check_validity_mail(\'email_povrzujici'+open+'\');change_visibility(\'email_povrzujici_desc'+open+'\',0)" onkeyup="check_validity_mail(\'email_povrzujici'+open+'\')" /><i id="email_povrzujici_desc'+open+'" class="h">E-mail pro potvrzující zprávy z katalogů</i></p>'+
        '<p class="check-zdarma"><input type="checkbox" onclick="check_validity_mail(\'email_povrzujici'+open+'\');disable_and_check(\'email_povrzujici_check'+open+'\', \'email_povrzujici'+open+'\')" id="email_povrzujici_check'+open+'" class="check-box" />'+
        'Chci navrhnout zdarma potvrzující email<input type="hidden" name="email_povrzujici_check[]" id="email_povrzujici'+open+'_hidden" value="0" class="h" /></p></div>';
        $('#partakers').append(newRow);
        $('#partakers > div#item_'+open).fadeIn("slow");
        $("#pocet_webu").text(open);
        $("#pocet_webu_input").val(open);
        updateCelkoveCeny();
        onSelectChangePocetKatalogu(open);
        $("#subbuttonlink").removeClass('disnone').addClass( "disblock" );
     
        event.preventDefault();
    });
    $("#subbuttonlink").click(function (event) {
      if(open > 1){                    
            $("#item_"+open).animate({
            opacity: "0"
          }, 400, function() {
           $("#item_"+open).remove();
           open--;
           $("#pocet_webu").text(open);
           $("#pocet_webu_input").val(open);
           updateCelkoveCeny(); 
           if(open==1)
            $("#subbuttonlink").removeClass('disblock').addClass( "disnone" );   
          });
      } 
      
     event.preventDefault();
    });
   $("#submit").click(function (event) {
       
       if(!check_obligatory_elements() || $("#cena").text() == 0){
           if(!confirm("Některý z údajů je špatně vyplněný, chcete objednávku i přesto odeslat?")) {
               event.preventDefault();                 
           }    
             
       }
    });

    $("#slevovy_kod").keyup(function (event) {
        //event.preventDefault();
        verify_code(); 
    });
});

function get_count_by_sort_new(druh, cis) // zde se meni pocty katalogu. kdyz neco chces zmenit, musis menit value i cislo za > tj. oboje hodnoty
{
    innerhtml = "";
    switch(druh)
    {
        case "cz-obecne":
            innerhtml='<select class="margin_zleva" id="selectList'+cis+'1" onchange="onSelectChangePocetKatalogu('+cis+');updateCelkoveCeny();" name="pocet_katalogu1[]" > <option value="200">200</option> <option value="150">150</option><option value="100">100</option><option value="70">70</option></select>';
            break;
        case "cz-eshop":
            innerhtml='<select class="margin_zleva" id="selectList'+cis+'2" onchange="onSelectChangePocetKatalogu('+cis+');updateCelkoveCeny();" name="pocet_katalogu2[]" ><option value="70">70</option><option value="40">40</option></select>';   
            break;
        case "sk-obecne":
            innerhtml='<select class="margin_zleva" id="selectList'+cis+'3" onchange="onSelectChangePocetKatalogu('+cis+');updateCelkoveCeny();" name="pocet_katalogu3[]" ><option value="90">90</option><option value="50">50</option></select>';   
            break;
        case "en-obecne":
            innerhtml='<select class="margin_zleva" id="selectList'+cis+'4" onchange="onSelectChangePocetKatalogu('+cis+');updateCelkoveCeny();" name="pocet_katalogu4[]" ><option value="300">300</option><option value="150">150</option><option value="50">50</option></select>';      
            break;
        case "de-obecne":
            innerhtml='<select class="margin_zleva" id="selectList'+cis+'5" onchange="onSelectChangePocetKatalogu('+cis+');updateCelkoveCeny();" name="pocet_katalogu5[]" ><option value="100">100</option><option value="50">50</option></select>';
            break;
        case "esp-obecne":
            innerhtml='<select class="margin_zleva" id="selectList'+cis+'6" onchange="onSelectChangePocetKatalogu('+cis+');updateCelkoveCeny();" name="pocet_katalogu6[]" ><option value="50">50</option></select>';
            break;
        case "hun-obecne":
            innerhtml='<select class="margin_zleva" id="selectList'+cis+'7" onchange="onSelectChangePocetKatalogu('+cis+');updateCelkoveCeny();" name="pocet_katalogu7[]" ><option value="80">80</option><option value="40">40</option></select>';
            break;
        case "pol-obecne":
            innerhtml='<select class="margin_zleva" id="selectList'+cis+'8" onchange="onSelectChangePocetKatalogu('+cis+');updateCelkoveCeny();" name="pocet_katalogu8[]" ><option value="150">150</option><option value="100">100</option><option value="50">50</option></select>';
            break;    
    }
    return innerhtml;
}
///////////////////////////////////////////////////od tohoto mista se nemusi nic menit
function disable(id_c, id, isTextarea)
{
    if(isTextarea == 'undefined') isTextarea = 0;              
    var checkbox = document.getElementById(id_c);
    var el = document.getElementById(id);
    var hid = document.getElementById(id+'_hidden');
    if(checkbox.checked)
    {
        el.disabled = true;
        if(isTextarea)
          input_background_textarea(id, KOD_DISABLE);
        else
          input_background_input(id,KOD_DISABLE);
        hid.value = "1";                                
    }
    else
    {
        el.disabled = false;
        //$("#"+id).css("background", "url(\"/../imgs/input-bg.gif\") no-repeat top left");
        //$("#"+id).css("background", "url(\"imgs/input-bg.gif\") no-repeat top left");
        if(isTextarea)
           input_background_textarea(id, KOD_ENABLE);
        else
           input_background_input(id,KOD_ENABLE);
        hid.value = "0";                                
    }
    return 0;
}
function updateJednotlivychCen()
{
    for(var i=1;i<open+1;i++)
    {
        onSelectChangePocetKatalogu(i);
    //cena+= parseInt(cena_jednotliva);
    }      
}
function updateCelkoveCeny() { // celkova cena
    var cena = 0;        
    for(var i=1;i<open+1;i++)
    {
        var cena_jednotliva = $("#cena_jednotliva"+i).text();
        cena+= parseInt(cena_jednotliva);    
    }               
    // cena*=koef;
    cena = parseInt(cena);
    $("#cena").text(cena);
};
function verify_code()
{
    if($('#slevovy_kod').val() == ""){
         input_background_input("slevovy_kod",KOD_ENABLE);
    }
    else{
      $.get("/include/cena.php",{
          value: $('#slevovy_kod').val()
          }, function(data){
          if(data!=1)
          {
              koef = data;
              input_background_input("slevovy_kod",KOD_OK);
              updateJednotlivychCen(); 
              updateCelkoveCeny();
          }
          else
          {
              koef = 1;
              updateJednotlivychCen(); 
              updateCelkoveCeny();
              input_background_input("slevovy_kod",KOD_ERROR);
          }
      }); 
     }
}
function onSelectChangePocetKatalogu(id)   // jednotliva cena
{

    var cena = 0; 
    var i = 1;
    var xml_feed_checkbox = false;
    var firemni_udaje_checkbox = false;
     
    for (var kat in katalogy)
    {
        //POKUD JE CHECKED
     
        var checkbox = document.getElementById("katalog_"+kat+id);
        if(checkbox!=null)
        {
      
            if(checkbox.checked)
            {
                //  if($("#katalog_"+katalogy[i]+id).is(':checked'))
  
                if(kat.indexOf("eshop")>-1) // pridani xml feed kdyz je zaskratly checkbox xml feed
                {     
                    
                    xml_feed_checkbox = true;
                }
                if((kat.indexOf("de")>-1  || kat.indexOf("esp")>-1 || kat.indexOf("en")>-1 || kat.indexOf("hun")>-1 || kat.indexOf("pol")>-1)) // check zahranicich katalogu  mimo SK
                {     
                   
                    firemni_udaje_checkbox = true;    
                }
                var pocet = $("#selectList"+id+i+" option:selected").val(); // pocet katalogu
                var druh = katalogy[kat]; // druh katalogu                                                  
                cena+= koef * pocet * druh;      
            }
        }
        i++;
    }
    if(!xml_feed_checkbox)
        odeber_xml_feed_textbox(id);   
    else if($("#xml_feed_hidden"+id).val()==1)
        pridej_xml_feed_textbox(id); 
    if(!firemni_udaje_checkbox )
        odeber_firemni_udaje_textbox(id); 
    else if($("#firemni_udaje_hidden"+id).val()==1 )
        pridej_firemni_udaje_textbox(id);
    $("#cena_jednotliva"+id).text(cena);  
  
}
function pridej_xml_feed_textbox(id) // pridat OPEN !!!!!!!!!
{
    $("#xml_feed"+id).css({
        'display' : 'block'
    });
    $("#xml_feed"+id).html($("#xml_feed"+id).html()+'<label>XML feed zboží</label><input type="text" name="xml_feed[]" onfocus="change_visibility(\'xml_feed_desc'+id+'\',1)" onblur="change_visibility(\'xml_feed_desc'+id+'\',0)"/><i class="h" id="xml_feed_desc'+id+'">Adresa XML feedu např. pro zbozi.cz</i>');
    //'<label>XML feed zboží</label><input type="text" name="xml_feed[]" onfocus="change_visibility(\'xml_feed_desc'+id+'\',1)" onblur="change_visibility(\'xml_feed_desc'+id+'\',0)"/><i class="h" id="xml_feed_desc'+id+'">Adresa XML feedu např. pro zbozi.cz</i>
    $("#xml_feed_hidden"+id).val(0);
}  
function odeber_xml_feed_textbox(id) // pridat OPEN !!!!!!!!!
{
    $("#xml_feed"+id).css({
        'display' : 'none'
    });
    $("#xml_feed"+id).html('<input type="hidden" name="xml_feed_check[]" id="xml_feed_hidden'+id+'" value="1" class="display_none" />');
}  
function pridej_firemni_udaje_textbox(id)
{
    $("#firemni_udaje"+id).css({
        'display' : 'block'
    });
    $("#firemni_udaje"+id).html($("#firemni_udaje"+id).html()+'<label>Firemní údaje webu</label><textarea name="firemni_udaje[]" class="text_area_odsazeni" rows="10" cols="15" onfocus="change_visibility(\'firemni_udaje_desc'+id+'\',1)" onblur="change_visibility(\'firemni_udaje_desc'+id+'\',0)"></textarea><span class="ontextarea"><i class="h" id="firemni_udaje_desc'+id+'">Pouze pokud jsou odlišné od fakturačních údajů</i></span>');
    $("#firemni_udaje_hidden"+id).val(0);
}
function odeber_firemni_udaje_textbox(id)
{
    $("#firemni_udaje"+id).css({
        'display' : 'none'
    });
    $("#firemni_udaje"+id).html('<input type="hidden" name="firemni_udaje_check[]" id="firemni_udaje_hidden'+id+'" value="1" class="display_none" />');
//
}
function click_katalog(druh, cis)
{
    var checkbox = document.getElementById('katalog_'+druh+cis);       
    if(checkbox.checked)
    {
        var html = get_count_by_sort_new(druh, cis);
        $('#katalog_'+druh+cis+'_hidden').val(0);
        $("#"+druh+cis).html(html);
    }
    else
    {
        $("#"+druh+cis).html('');
        $('#katalog_'+druh+cis+'_hidden').val(1);
    }
    onSelectChangePocetKatalogu(cis); // zmena jednotlive ceny
    updateCelkoveCeny(); // zmena celkove ceny 
}
function change_visibility(element, visible) {
    if(visible == 1){
        //$("#"+element).fadeIn(400).removeClass("h");
        //$("#"+element).css({ opacity:0, visibility:"visible" }).animate({ opacity:100 }, "slow");
        $("#"+element).removeClass("h");

    }
    else {
   // $("#"+element).css({ opacity:100, visibility:"hidden" }).animate({ opacity:0 }, "slow");
        $("#"+element).addClass("h");

    }
    return false;
}
function existujici_fakturacni_udaje(fak_udaj, email) {
    //$.get("/../include/faktur_udaje.php",{ value: $('#slevovy_kod').val()}, function(data){
    if(!fakturac_udaje_vyplneny) { // fakturacni udaje se po vyplenni mail aktualizuji pouze 1x
        $.get("/include/faktur_udaje.php",{value: $('#'+email).val()}, function(data){
            if(data!="") // true
            {
                fakturac_udaje_vyplneny = 1;
                $("#"+fak_udaj).html(data).hide().fadeIn(400); // dodelat, aby se tam fadeIn pouze text
            }
        });
    }
}
function validateEmail(elementValue){
   var emailPattern = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;
   return emailPattern.test(elementValue);
 }
function validateUrl(elementValue){
   var urlPattern = /^http\:\/\/[a-zA-Z0-9-.]+\.[a-zA-Z]{2,3}(\/\S*)?$/;
   return urlPattern.test(elementValue);
 }

 /*
 function check_vaildity_mail_onChange(element) {
     if(email_udaje_false) {
        check_validity_mail(element);
        alert("f");
     }
    alert("c");
 }*/

 function check_validity_url(element){
     if(validateUrl($("#"+element).val())){
          // $("#"+element).css("background", "url(\"imgs/input-bg2.gif\") no-repeat top left");
          input_background_input(element,KOD_OK);
           return 1;
     }
     else {
         //$("#"+element).css("background", "url(\"imgs/input-bg3.gif\") no-repeat top left");
         input_background_input(element,KOD_ERROR);
     }
     return 0;
 }
 function check_validity_mail(element){
     if(validateEmail($("#"+element).val())){
           //$("#"+element).css("background", "url(\"imgs/input-bg2.gif\") no-repeat top left");
           input_background_input(element, KOD_OK);
           email_udaje_false = 0;
           return 1;
     }
       //$("#slevovy_kod").css("background", "url(\"/../imgs/input-bg2.gif\") no-repeat top left");
     else {
         email_udaje_false = 1;
         //$("#"+element).css("background", "url(\"imgs/input-bg3.gif\") no-repeat top left");
         input_background_input(element,KOD_ERROR);
     }
     return 0;
           //$("#slevovy_kod").css("background", "url(\"/../imgs/input-bg3.gif\") no-repeat top left");
 }
 function pocet_znaku_input(elementPocZnak, elementZapis, pocZnakMin, pocZnakMax, isTextarea){   
  if(isTextarea == 'undefined') isTextarea = 0;
   var pocetZnaku = $("#"+elementPocZnak).val().length;
   $("#"+elementZapis).html(pocetZnaku);
   if(pocetZnaku < pocZnakMin || pocetZnaku > pocZnakMax){
        //$("#"+elementPocZnak).css("background", "url(\"imgs/input-bg3.gif\") no-repeat top left"); // chyba
        if(isTextarea)
          input_background_textarea(elementPocZnak,KOD_ERROR);  
        else
          input_background_input(elementPocZnak,KOD_ERROR);
   }
   else{
        //$("#"+elementPocZnak).css("background", "url(\"imgs/input-bg2.gif\") no-repeat top left");
         if(isTextarea)
          input_background_textarea(elementPocZnak,KOD_OK);  
         else
          input_background_input(elementPocZnak,KOD_OK);
        return 1;
   }
   return 0;
 }
function disable_and_check(id_c, id, isTextarea){
 if(isTextarea == 'undefined') isTextarea = 0;
   var checkbox = document.getElementById(id_c);
   var el = document.getElementById(id);
   if(checkbox.checked)
       disable(id_c,id, isTextarea);
   else{
       el.disabled = false;
       var hid = document.getElementById(id+'_hidden');
       hid.value = 0;
   }
}

function check_obligatory_elements(){
    //jmeno a prijmeni
    var error = 0;
    if(isElemEmpty('jmeno')){error = 1;}
    if(!check_validity_mail('email')){error = 1;} // return 1==true
     for(var i=1;i<open+1;i++) {
        if(!check_validity_url('internetova_adresa'+i)){error = 1;}
        if(!(is_checked('nazev_stranky_check'+i) || pocet_znaku_input('nazev_stranky'+i,'title_poc_znak'+i, POC_ZNAK_MIN_NAZEV_STRANKY, POC_ZNAK_MAX_NAZEV_STRANKY))){error = 1;}
        if(!(is_checked('popis_check'+i) || pocet_znaku_input('popis'+i,'popis_poc_znak'+i, POC_ZNAK_MIN_POPIS, POC_ZNAK_MAX_POPIS,1))){error = 1;}
        if(!(is_checked('keywords_check'+i) || $("#keywords"+i).val()!="")){error = 1;
            input_background_input("keywords"+i, KOD_ERROR)
            }
        else{
            input_background_input("keywords"+i, KOD_OK);// pokud je check - ma se nastavit na fajku s OK?
        }
        setOKBackground("fakturaci_udaje");
        if(!(is_checked('email_povrzujici_check'+i) || check_validity_mail('email_povrzujici'+i))){error = 1;}
    }
    return !error; // 1 = vse ok, 0 = chyba

}
function is_checked(hiddenElementId){
   var checkbox = document.getElementById(hiddenElementId);
   if(checkbox.checked)
       return 1;
   return 0;
}
function input_background_textarea(elementId, validity){
  if(validity == KOD_ERROR)
      $("#"+elementId).css("background", "url(\"/imgs/input-bg3-ta.gif\") no-repeat top left");
   else if(validity==KOD_OK)
      $("#"+elementId).css("background", "url(\"/imgs/input-bg2-ta.gif\") no-repeat top left");
   else if(validity==KOD_DISABLE) // skryty
       $("#"+elementId).css("background", "url(\"/imgs/input-bg22-ta.gif\") no-repeat top left");
   else if(validity==KOD_ENABLE)
        $("#"+elementId).css("background", "url(\"/imgs/input-bg.gif\") no-repeat top left"); 

}
function input_background_input(elementId, validity){
   if(validity == KOD_ERROR)
       $("#"+elementId).css("background", "url(\"/imgs/input-bg3.gif\") no-repeat top left"); 
   else if(validity==KOD_OK)
        $("#"+elementId).css("background", "url(\"/imgs/input-bg2.gif\") no-repeat top left");
   else if(validity==KOD_DISABLE) // skryty
       $("#"+elementId).css("background", "url(\"/imgs/input-bg22.gif\") no-repeat top left");
   else if(validity==KOD_ENABLE)
        $("#"+elementId).css("background", "url(\"/imgs/input-bg.gif\") no-repeat top left");

}
function isElemEmpty(el, isTextarea){
  if(isTextarea == 'undefined') isTextarea = 0;
   if(isTextarea)
     input_background_textarea(el, ($("#"+el).val()=="") ? KOD_ERROR : KOD_OK);
   else
     input_background_input(el, ($("#"+el).val()=="") ? KOD_ERROR : KOD_OK);
}
function setOKBackground(el){
if($("#"+el).val()!="")  
  input_background_textarea(el, KOD_OK);
else  
  input_background_textarea(el, KOD_ENABLE);
}