$(document).ready(function() {
    if(location.pathname != "/") {
        $('#main_nav1 a[href^="/' + location.pathname.split("/")[1] + '"]').addClass('current');
    } 
	else $('#main_nav1 a:eq(-1)').addClass('current');
});

$(document).ready(function() {
    if(location.pathname != "/") {
        $('#main_nav2 a[href^="/' + location.pathname.split("/")[1] + '"]').addClass('current');
    } 
	else $('#main_nav2 a:eq(-1)').addClass('current');
});