Hide and show function not working in Safari

Question

This function should stop displaying the #bt_pagamento and start showing the #bt_loading. But Safari (version 6) is the only brows

Answer 1

CSS

HTML

link

    this is bt_loading

JS

$(document).ready(function() {
    $("#bt_pagamento").click(function (e) {
        e.preventDefault();
        $(this).addClass('hide');
        $("#bt_loading").removeClass('hide');
    });
});