'; }}let mobile_items = document.getElementById('mobile_menu').getElementsByClassName('menu_item');for (let i = 0; i < mobile_items.length; ++i) { let item = mobile_items[i]; ul_submenu = item.querySelector('ul'); has_child = item.contains(ul_submenu); if(has_child){ item.querySelector('.open_list_btn').innerHTML += '
'; }}function scrollToElement(el){ const element = document.querySelector(el); const y = element.getBoundingClientRect().top + window.scrollY - 110; window.scroll({ top: y, behavior: 'smooth' });}window.addEventListener("scroll", function(){onscrollNav()}); function onscrollNav(){ if(document.body.scrollTop > 140 || document.documentElement.scrollTop > 140){ document.querySelector('#header').classList.add('scrolled-nav'); }else{ document.querySelector('#header').classList.remove('scrolled-nav'); } if(document.body.scrollTop > 300 || document.documentElement.scrollTop > 300){ document.querySelector('.scroll-top').classList.add('scroll-top-visible'); }else{ document.querySelector('.scroll-top').classList.remove('scroll-top-visible'); }}if ('serviceWorker' in navigator){ navigator.serviceWorker.register('/service-worker.js').then(function(){ console.log('Service worker zainstalowany'); }).catch(function (err){ console.log('Service worker nie zainstalowany, sprawdź błąd:', err) });}function cookieDisplay(){ let now = new Date(); now.setTime(now.getTime() + (30 * 24 * 60 * 60 * 1000)); return now.toUTCString();}function getCookie(cname){ let name = cname + "="; let decodedCookie = decodeURIComponent(document.cookie); let ca = decodedCookie.split(';'); for(var i = 0; i < ca.length; i++){ let c = ca[i]; while (c.charAt(0) == ' '){ c = c.substring(1); } if (c.indexOf(name) == 0){ return c.substring(name.length, c.length); } } return "";}function newsletterSimulateClick(){ document.getElementById('newsletter-submit').click();}