$(document).ready(function() {


	// Buttons austauschen
	// Mouse Over and Out
	$("#bookmarks img").hover(
		function () {

			var img_do = $(this).attr('src');
			var img_up = img_do.replace("_do","_up")

			$(this).attr("src", img_up);

		},
		function () {

			var img_up = $(this).attr('src');
			var img_do = img_up.replace("_up","_do")

			$(this).attr("src", img_do);

		}
	);
	
	//alle externen Links kennzeichnen
	$('a').filter(function() {
		return this.hostname && this.hostname !== location.hostname;
	}).addClass('external');

	//alle externen Links in Analytics
	$("a.external").click(function(){

		var site = $(this).attr('href');

		_gaq.push(['_trackEvent', 'external', site]);

	});

	//PDF's Tracken
	$("a[href*=.pdf]").not(".pdf").click(function(){

		var pdf_name = $(this).attr("href").split("/").pop();

		_gaq.push(['_trackEvent', 'pdf', pdf_name]);

	});
	
});