$(window).ready(function()
{
    $(document.getElementById('o-nas-mene')).css('display', 'none');
    $(document.getElementById('kontaktni-form-hide')).css('display', 'none');
});

var hide = new NHide("hide");
hide.add("o-nas", "o-nas-mene", "o-nas-show");
hide.add("o-nas", "o-nas-1", "o-nas-2");
//hide.add("contact-form", "kontaktni-form-show", "kontaktni-form-hide");