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function alertGenerator() {

    var i, alert;

    var types = {
        'warning': 'warning',
        'success': 'success',
    };

    // create alert element
    alert = document.createElement('div');
    alert.className = 'alert-box box-shadow-depth-2';

    // create and append icon element to alert
    i = document.createElement('i');
    i.className = 'fa fa-info-circle';
    alert.appendChild(i);

    // create and append text node to alert
    alert.appendChild(
        document.createTextNode('\u00A0 This is some alert text')
    );

    return alert;
}