(function () {
	var arr = [
		'',
		'feature',
		'lineup',
		'casestudy',
		'package'
	];
	
	var len        = arr.length
	var url        = location.href;
	var a          = url.split('/');
	var dir        = a[3];
	var current;
	var list       = document.getElementById('menu');
	var elm        = list.getElementsByTagName('a');
	if(dir =='index.html' || dir == ''){
		current = 0;
	}else{
		for (var i=0; i<len; i++){
			if (dir == arr[i]) current = i;
		}
	}
	if(current != undefined) elm[current].className = 'active';
	
})();