function anonymous(event
) {
return (function () {
    var quarters = 0;
    var scrollHeight, quarterHeight, scrollDistance, divisible, scrollPercent;

    // Debounce function
    function debounce(func, wait) {
        var timeout;
        return function () {
            var context = this,
                args = arguments;
            clearTimeout(timeout);
            timeout = setTimeout(function () {
                func.apply(context, args);
            }, wait);
        };
    }

    // Handler function for the debounced scroll event
    function handleScroll() {
        scrollHeight = document.documentElement.scrollHeight - window.innerHeight;
        quarterHeight = scrollHeight / 4;
        scrollDistance = window.pageYOffset || (document.documentElement || document.body.parentNode || document.body).scrollTop;
        divisible = Math.trunc(scrollDistance / quarterHeight);
        if (quarters < divisible && divisible !== Infinity) {
            scrollPercent = divisible * 25;
            heap.track('Scroll Depth', {
                percent: scrollPercent
            });
            quarters++;
        }
    }

    // Debounce the scroll event
    var debouncedScroll = debounce(handleScroll, 250); // Adjust the debounce time (e.g., 250 milliseconds)

    // Add the debounced scroll event listener
    document.addEventListener("scroll", debouncedScroll);
})();
}