let langButtons = document.querySelectorAll(".lang-switcher a");
langButtons.forEach(btn => {
	btn.addEventListener("click", function(){
		let thisBody = document.querySelector("body");
	  	if (thisBody.classList.contains("spanish")){
			thisBody.classList.remove("spanish");
			thisBody.classList.add("english");
		  	window.history.pushState("", "", window.location.href.split('?')[0]);
	  	} else if (thisBody.classList.contains("english")){
			thisBody.classList.remove("english");
		  	thisBody.classList.add("spanish");
		  	window.history.pushState("", "", '?lan=es');
	  	}
	});
});