JS helpers (no jQuery)

// classlist helper for better browser compat
var hasClass = function (el, className) {
    if (el.classList) {
        return el.classList.contains(className);
    } else {
        return new RegExp('(^| )' + className + '( |$)', 'gi').test(el.className);
    }
}

// helper for setting multiple attributes to same element
function setAttributes(el, attrs) {
    for (var key in attrs) {
        el.setAttribute(key, attrs[key]);
    }
}