Its for disabling scroll inside a section where onepage_sroll plugin is used

disable_scroll.js

$('section').on('mouseenter', function(event) {
	$('body').on('scroll mousewheel touchmove', stopScrolling);
});
$('section').on('mouseleave', function(event) {
	$('body').off('scroll mousewheel touchmove', stopScrolling);
});
function stopScrolling(e) {
  e.preventDefault();
  e.stopPropagation();
  return false;
}