Admin LTE Side Menu Active

<script type="text/javascript">
	/** add active class and stay opened when selected */
	var url = window.location;

	// for sidebar menu entirely but not cover treeview
	$('ul.nav-sidebar a').filter(function() {
	    return this.href == url;
	}).addClass('active');

	// for treeview
	$('ul.nav-treeview a').filter(function() {
	    return this.href == url;
	}).parentsUntil(".nav-sidebar > .nav-treeview").addClass('menu-open').prev('a').addClass('active');
</script>