[j0hnik]

window.addEventListener('DOMContentLoaded', function() {
		var body = document.querySelector('body');
		document.addEventListener("click", function(event) {
			var target = event.target;
			if (target.closest(".sidenav") && !target.closest(".closebtn")) return;
			else if (target.closest("#main")) {
				event.preventDefault();
				body.classList.toggle("open")
			} else body.classList.remove("open");
		});
		[].forEach.call(document.querySelectorAll('.igrouplist a'), function(el){
			el.onmouseenter=function(){
				top.location = this.href;
			};
		});
	});

вот так сделай