Javascript to scroll to in-page # hrefs, and permit external links

scrollinternallinks.js

/// Scroll to in-page links
$(document).on('click', 'a[href^="#"]:not([href="#"]), a[href^="'+location.pathname+'#"]', function(e){
	var $target = $('#'+$(this).attr('href').split('#')[1]).first();
	if($target.length == 1) {
		$('html:not(:animated),body:not(:animated)').animate({
			scrollTop: $target.offset().top
		}, 500 );
		e.preventDefault();
	}
});