inline # link animation jquery script

jQuery('.main_menu ul li a[href^="#"]').on('click',function (e) {
	if (location.pathname.replace(/^\//,'') == this.pathname.replace(/^\//,'')
	&& location.hostname == this.hostname) {
	var $target = $(this.hash);
	$target = $target.length && $target
	|| $('[name=' + this.hash.slice(1) +']');
	if ($target.length) {
	var targetOffset = $target.offset().top;
	$('html,body')
	.animate({scrollTop: targetOffset}, 1000);
	return false;
	}}
});