// We use a closure to prevent polluting the global namespace.
var AjaxifyForms = (function($, _) {
    "use strict";
    // Use strict makes it harder to make stupid mistakes.

    var AjaxifyForms = {
        $form: "",
        options: {
            formSelector: "form",
            successFunction: null
        },

        init: function(options) {
            // Initialize
            var self = this;
            this.options = _.extend(this.options, options);
            this.$form = $(options.formSelector);

            // Bind
            this.$form.on("submit", function(e) {
                self.interceptSubmit.call(self, e, this);
            });
        },

        interceptSubmit: function(e, form) {
            // Will interecept any form submissions and turn them into ajax.
            e.preventDefault();
            var $form = $(form);

            $.ajax(
                $form.attr("action"),
                {
                    type: $form.attr("method"),
                    data: $form.serialize(),
                    success: this.options.successFunction
                }
            );
        }
    };

    return AjaxifyForms;
}($, _));

// Ajaxify forms is now much more modular and can be reused.
var ajaxifyForms = AjaxifyForms.init({
    formSelector: ".some-special-form"
});