var navLink = $('.main_nav a').on('click', function(e) {
//e.preventDefault();
navLink.not(this).removeClass('active');
$(this).addClass('active');
});.main_nav a.active,{
color: #56B62D;
}$(function () {
var location = window.location.href;
var cur_url = '/' + location.split('/').pop();
$('a', '.main_nav').each(function () {
var link = $(this).attr('href');
if (cur_url == link)
{
$(this).addClass('active');
}
});
});