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

		var locationPath = filterPath(location.pathname);
		var scrollElem = scrollableElement('html', 'body');

		// Any links with hash tags in them (can't do ^= because of fully qualified URL potential)
		$('a[href*=#]:not(.scrolltabs a)').each(function() {

				// Ensure it's a same-page link
				var thisPath = filterPath(this.pathname) || locationPath;
				if (  locationPath == thisPath
						&& (location.hostname == this.hostname || !this.hostname)
						&& this.hash.replace(/#/,'') ) {

								// Ensure target exists
								var $target = $(this.hash), target = this.hash;
								if (target) {

										// Find location of target
										var targetOffset = $target.offset().top;
										$(this).click(function(event) {

												// Prevent jump-down
												event.preventDefault();

												// Animate to target
												$(scrollElem).animate({scrollTop: targetOffset}, 500, function() {

														// Set hash in URL after animation successful
														location.hash = target;

												});
										});
								}
				}

		});

		// Use the first element that is "scrollable"  (cross-browser fix?)
		function scrollableElement(els) {
				for (var i = 0, argLength = arguments.length; i <argLength; i++) {
						var el = arguments[i],
						$scrollElement = $(el);
						if ($scrollElement.scrollTop()> 0) {
								return el;
						} else {
								$scrollElement.scrollTop(1);
								var isScrollable = $scrollElement.scrollTop()> 0;
								$scrollElement.scrollTop(0);
								if (isScrollable) {
										return el;
								}
						}
				}
				return [];
		}

});