function enable_smooth_scroll() {
			function filterPath(string) {
				return string
						.replace(/^\//,'')
						.replace(/(index|default).[a-zA-Z]{3,4}$/,'')
						.replace(/\/$/,'');
			}

			var locationPath = filterPath(location.pathname);

			var scrollElement = 'html, body';
			$('html, body').each(function () {
				var initScrollTop = $(this).attr('scrollTop');
				$(this).attr('scrollTop', initScrollTop + 1);
				if ($(this).attr('scrollTop') == initScrollTop + 1) {
					scrollElement = this.nodeName.toLowerCase();
					$(this).attr('scrollTop', initScrollTop);
					return false;
				}
			});

			$('a[href*=#]').each(function() {
				var thisPath = filterPath(this.pathname) || locationPath;
				if  (   locationPath == thisPath
						&& (location.hostname == this.hostname || !this.hostname)
						&& this.hash.replace(/#/, '')
					) {
						if ($(this.hash).length) {
							$(this).click(function(event) {
								var targetOffset = $(this.hash).offset().top;
								var target = this.hash;
								event.preventDefault();
								$(scrollElement).animate(
									{scrollTop: targetOffset},
									1000,
									function() {
										location.hash = target;
								});
							});
						}
				}
			});
		}
		$(document).ready(function() {
			enable_smooth_scroll();
		});