const throttle=(callback,limit)=>{let timeoutHandler=null;return()=>{if(timeoutHandler==null){timeoutHandler=setTimeout(()=>{callback();timeoutHandler=null;},limit);}};};let lastScrollPosition=window.pageYOffset;let header=document.getElementById('site-header');const autoHideHeader=()=>{let currentScrollPosition=window.pageYOffset;if(currentScrollPosition>lastScrollPosition){header.classList.remove('slideInUp');header.classList.add('slideOutDown');}else{header.classList.remove('slideOutDown');header.classList.add('slideInUp');}
lastScrollPosition=currentScrollPosition;}
let mobileMenu=document.getElementById('mobile-menu');let mobileMenuVisible=false;const mobileMenuToggle=()=>{if(mobileMenuVisible==false){mobileMenu.style.animationName='bounceInRight';mobileMenu.style.webkitAnimationName='bounceInRight';mobileMenu.style.display='block';mobileMenuVisible=true;}else{mobileMenu.style.animationName='bounceOutRight';mobileMenu.style.webkitAnimationName='bounceOutRight'
mobileMenuVisible=false;}}
const showFeaturedImg=()=>{document.getElementById('bg-img').classList.add('show-bg-img');}
const showContent=()=>{document.getElementById('bg-img').classList.remove('show-bg-img');}
if(haveHeader==true){document.getElementById('menu-btn').addEventListener('click',mobileMenuToggle);window.addEventListener('scroll',throttle(()=>{autoHideHeader();if(mobileMenuVisible==true){mobileMenuToggle();}},250));}