function getRootUrl() {
    var url = location.protocol + "//" + location.hostname;

    if (location.port !== "") {
        url += ":" + location.port;
    }

    return url;
}

var c;
window.vc = function (field, caption) {
    if (c === field.val()) {
        return true;
    } else {
        return 'tölurnar passa ekki saman';
    }
};

function setUpCaptcha(path) {
    $('#imgCaptcha').load(function () {
        var json = JSON.stringify({});
        
        $.ajax({
            url: getRootUrl() + path,
            type: 'POST',
            dataType: 'json',
            data: json,
            contentType: 'application/json; charset=utf-8',
            success: function (data) {
                c = data.errorMessage;
            }
        });
    });
}