$(document).ready(function() {
    $('.continue-big-news').bind('click', function() {
        $('.big-hide-news').show();
        $('.continue-big-news').hide();
        return false;
    });
    $('.less-big-news').bind('click', function() {
        $('.big-hide-news').hide();
        $('.continue-big-news').show();
        return false;
    });
});