_autoInit = function() {
        var elements = document.querySelectorAll(
            '[data-pym-src]:not([data-pym-auto-initialized])'
        );

        var length = elements.length;

        for (var idx = 0; idx < length; ++idx) {
            var element = elements[idx];

            /*
            * Mark automatically-initialized elements so they are not
            * re-initialized if the user includes pym.js more than once in the
            * same document.
            */
            element.setAttribute('data-pym-auto-initialized', '');

            // Ensure elements have an id
            if (element.id === '') {
                element.id = 'pym-' + idx;
            }

            var src = element.getAttribute('data-pym-src');
            var xdomain = element.getAttribute('data-pym-xdomain');
            var config = {};

            if (xdomain) {
               config.xdomain = xdomain;
            }

            new lib.Parent(element.id, src, config);
        }
    }
Initialize Pym for elements on page that have data-pym attributes.

@method _autoInit