Oxygenados Com

                  document.addEventListener('DOMContentLoaded', function() {
    var images = document.querySelectorAll('.monochrome');
    if (images.length) { // Check if there are any images with the "monochrome" class
        window.addEventListener('scroll', function() {
            var scrollPos = window.pageYOffset;
            images.forEach(function(image) {
            var offset = image.offsetTop;
                if (scrollPos >= offset - 250 && scrollPos <= offset + image.offsetHeight - 250) 
                image.style.filter = 'grayscale(0%)'; // Set the selected image to full color
                 else 
                image.style.filter = 'grayscale(100%)'; // Set the selected image to monochrome
            
            });
        });
    }
});