Počet kusů byl navýšen.<input type="hidden" id="gtm_id" value="GTM-WFZL37C" /><input type="hidden" id="cookie_gtm_allowed" value="0" />
<script>
if (document.getElementById('gtm_id') != null) {
    var gtm_id = document.getElementById("gtm_id").value;
}

function gtm_send(gtm_id, gtm_data){
    var cookie_gtm_allowed = document.getElementById("cookie_gtm_allowed").value;
    if(gtm_id && gtm_id.length > 0 && gtm_data && cookie_gtm_allowed == 1){
        //console.log(gtm_data);
        window.dataLayer.push({ ecommerce: null });  // Clear the previous ecommerce object.
        window.dataLayer = window.dataLayer || [];
        window.dataLayer.push(gtm_data);
        gtm_data = null;
    }
}

//Kliknuti na odkaz
var clickListener = document.querySelectorAll("button:not(.listener), input:not(.listener), a:not(.listener), .cat_ceil_in:not(.listener), .navi_link:not(.listener)");
clickListener.forEach(i => i.addEventListener(
    "click",
    e => {
        //console.log(e.currentTarget);
        //console.log(e.currentTarget.getAttribute('data-item_id')); 
        if(e.currentTarget.getAttribute('class').includes("cat_ceil_in")){
            var gtm_data = {"event":"select_item","ecommerce":{"items": [{"item_name":e.currentTarget.title, "item_id":e.currentTarget.getAttribute('data-item_id')}]}};
        }
        else if(e.currentTarget.getAttribute('class').includes("navi_link")){
            var gtm_data = {"event":"navi_click","navi_type":e.currentTarget.getAttribute('data-nav_type'),"navi_target_url":e.currentTarget.getAttribute('href')};
        }
        else if(event.currentTarget.parentNode.parentNode.getAttribute('class') != null && event.currentTarget.parentNode.parentNode.getAttribute('class').includes("tabs")){
            var gtm_data = {"event":"select_content","content_type":e.currentTarget.innerText};
        }
           
        if(typeof gtm_data != "undefined"){
            //console.log(gtm_data); 
            gtm_send(gtm_id, gtm_data);
            gtm_data = null;
        }
}));
for (i = 0; i < clickListener.length; ++i) {//Prida tridu .listener elementum, ktere ji nemaji
    //console.log(clickListener[i]);
    clickListener[i].classList.add("listener");  
}

/*
//Volba v selectbaru
var selectListener = document.querySelectorAll("select:not(.listener)");
selectListener.forEach(i => i.addEventListener(//Prida listener elementum, ktere nemaji tridu .listener
    "change",
    e => {
        //console.log(e.currentTarget);
        //var typ = e.currentTarget.tagName;
        var typ = "select";
        var title = e.currentTarget.getAttribute('title');
        var val = e.target[event.target.selectedIndex].text;
        var text_cont = "";
        if(title && title.length > 0){text_cont = title;}       
        if(text_cont && text_cont.length > 0 && val && typ && typ.length > 0){
            text_cont = text_cont.trim();
            val = val.trim();
            //console.log(text_cont);
            var gtm_data = {"event":"select","label":text_cont,"value":val,"type":typ};
            gtm_send(gtm_id, gtm_data);
            gtm_data = null;
        }
}));
for (i = 0; i < selectListener.length; ++i) {//Prida tridu .listener elementum, ktere ji nemaji
    //console.log(selectListener[i]);
    selectListener[i].classList.add("listener");  
}
*/

/*
//Meric rolovani stranky
var percent_sent = 0;
if(window.alreadyHasListener != "listener"){
window.addEventListener('scroll', function (e) {
    var h = document.documentElement,
    b = document.body,
    st = 'scrollTop',
    sh = 'scrollHeight';

    var percent = (h[st] || b[st]) / ((h[sh] || b[sh]) - h.clientHeight) * 100;
    //console.log(percent.toFixed(0));
    var percent_send = ['10','25','50','75','100'];
    if (percent_send.includes(percent.toFixed(0)) && percent_sent != percent.toFixed(0)){
        //console.log(percent.toFixed(0));
        percent_sent = percent.toFixed(0);
        var gtm_data = {"event":"scroll","value":percent.toFixed(0),"unit":"percent"};
        gtm_send(gtm_id, gtm_data);
        gtm_data = null;        
    }
});
//console.log('Add window listener');
window.alreadyHasListener = "listener";
}
*/
</script>