$(document).ready(function() {
	/*
		Når siden er høy nok, la menyen følge scroll og ligge i toppen av vinduet
	*/
	if ( $(document).height() > 1000 ){
		$('#top-navigation').scrollFollow({
			container: 'page',
			speed: 300
		});
	} 
	
	
	/* 
		Improved Animated Scrolling Script for Same-Page Links
		http://www.learningjquery.com./2007/10/improved-animated-scrolling-script-for-same-page-links
	*/
	
	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', 'page');
 
	$('a[href*=#]').each(function() {
	var thisPath = filterPath(this.pathname) || locationPath;
	if (  locationPath == thisPath
	&& (location.hostname == this.hostname || !this.hostname)
	&& this.hash.replace(/#/,'') ) {
	  var $target = $(this.hash), target = this.hash;
	  if (target) {
		var targetOffset = $target.offset().top;
		$(this).click(function(event) {
		  event.preventDefault();
		  $(scrollElem).animate({scrollTop: targetOffset}, 400, function() {
			location.hash = target;
		  });
		});
	  }
	}
	});
 
	// use the first element that is "scrollable"
	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 [];
	}
	
	$(function(){
		$('a[href^=http://]').each(function() {
			var host = this.host;
			if( host !=  window.location.host ){
				$(this).css('background-image', 'url("http://s2.googleusercontent.com/s2/favicons?domain_url=' + escape('http://' + host) + '")').addClass('external');
			}
		});
	});
});