<script>
(function($) {
var $animation_elements = $('.et-waypoint'),
$window = $(window);
function check_if_in_view() {
var window_height = $window.height(),
window_top_position = $window.scrollTop(),
window_bottom_position = (window_top_position + window_height);
$animation_elements.each(function() {
var $element = $(this),
element_height = $element.outerHeight(),
element_top_position = $element.offset().top,
element_bottom_position = (element_top_position + element_height);
//check to see if this element is within viewport
if ((element_bottom_position >= window_top_position) && (element_top_position <= window_bottom_position)) {
$element.addClass('et-animated');
} else {
$element.removeClass('et-animated');
}
});
}
$window.on('scroll resize', check_if_in_view);
})(jQuery);
</script>
