// Used for split testing experiments.
// 
// User partcipation to an experiment is available through:
//     experiments.control("experiments_name");
// and
//     experiments.test("experiments_name");
//
// Relies on JQuery

experiments = function () {
    // experiment_enrollment should have the following format
    // { experiment_name : group }
    var experiment_enrollment = {};

    return {
        record_enrollment: function(experiment_name, group) {
            experiment_enrollment[experiment_name] = group;
        },
        control: function (experiment_name) {
            if (experiment_enrollment[experiment_name]){
                return experiment_enrollment[experiment_name] == "control";
            } else {
                if (console){
                    console.error("Can't find experiment named " + experiment_name );
                }
                return true;
            }
        },
        test: function (experiment_name) {
            if (experiment_enrollment[experiment_name]){
                return experiment_enrollment[experiment_name] == "test";
            } else {
                if (console){
                    console.error("Can't find experiment named " + experiment_name );
                }
                return false;
            }
        },
	confirm_human: function () {
	    $.get("/experiments/confirm_human/");
	}
    };
}();