diff --git a/content/static/datenspuren/2013/script/derbug.js b/content/static/datenspuren/2013/script/derbug.js
deleted file mode 100644
index b87da50a6..000000000
--- a/content/static/datenspuren/2013/script/derbug.js
+++ /dev/null
@@ -1,128 +0,0 @@
-var MOUSE_TIMEOUT = 1000;
-var mouseTimeout;
-
-$('body').mousemove(function() {
- hideAll();
-
- if (mouseTimeout)
- clearTimeout(mouseTimeout);
- mouseTimeout = setTimeout(onMouseTimeout, MOUSE_TIMEOUT);
-});
-
-function onMouseTimeout() {
- canSpawn();
-}
-
-
-var MAX_BUGS = 5;
-var bugs = [];
-var SPAWN_INTERVAL = 2000;
-var spawnInterval;
-function canSpawn() {
- if (!spawnInterval)
- spawnInterval = setInterval(spawn, SPAWN_INTERVAL);
-}
-
-function spawn() {
- bugs = bugs.filter(function(bug) {
- return !bug.shouldHide;
- });
- /*console.log("spawn", bugs.length, "/", MAX_BUGS);*/
- if (bugs.length >= MAX_BUGS)
- return;
-
- bugs.push(new Bug());
-}
-
-function hideAll() {
- if (spawnInterval) {
- clearInterval(spawnInterval);
- spawnInterval = null;
- hideAll();
- }
-
- for(var i = 0; i < bugs.length; i++) {
- bugs[i].shouldHide = true;
- }
- bugs = [];
-}
-
-function Bug() {
- this.alpha = 0;
- this.rotation = 0;
- this.x = $('body').scrollLeft() + Math.floor(window.innerWidth * Math.random());
- this.y = $('body').scrollTop() + Math.floor(window.innerHeight * Math.random());
- this.selectTarget();
-
- this.el = $('');
- this.el.css({ position: 'absolute',
- width: "28px",
- height: "28px"
- });
- $('body').append(this.el);
- /*console.log("new bug", this, this.x, this.y);*/
-
- this.think();
-}
-Bug.prototype = {
- update: function() {
- this.el.css({ left: Math.floor(this.x) + "px",
- top: Math.floor(this.y) + "px",
- opacity: this.alpha,
- transform: "rotate(" + this.rotation + "rad)",
- '-webkitTransform': "rotate(" + this.rotation + "rad)",
- '-mozTransform': "rotate(" + this.rotation + "rad)"
- });
- },
- selectTarget: function() {
- this.targetRotation = 2 * Math.PI * (Math.random() - 0.5);
- this.targetSteps = 5 + Math.ceil(10 * Math.random());
- },
- think: function() {
- if (this.shouldHide && this.alpha > 0) {
- /* fading out */
- this.alpha -= 0.1;
- } else if (this.shouldHide) {
- this.el.remove();
- /* destroy
- * HACK: Avoid nextTick() */
- return;
- } else if (this.alpha < 1) {
- /* fading in */
- this.alpha += 0.1;
- }
-
- var dr = this.targetRotation - this.rotation;
- if (Math.abs(dr) > 1) {
- this.rotation += Math.random() * dr / 10;
- }
- if (this.targetSteps > 0) {
- this.targetSteps--;
- this.x += Math.sin(this.rotation);
- this.y -= Math.cos(this.rotation);
-
- /* Emergency suicide: */
- if (this.x < 16 ||
- this.x > $('body').innerWidth() - 16 ||
- this.y < 16 ||
- this.y > $('body').innerHeight() - 16) {
- this.shouldHide = true;
- }
- } else {
- this.selectTarget();
- }
-
- this.update();
- nextTick(this.think.bind(this));
- }
-};
-
-var nextTick =
- window.requestAnimationFrame ||
- window.webkitRequestAnimationFrame ||
- window.mozRequestAnimationFrame ||
- window.msRequestAnimationFrame ||
- window.oRequestAnimationFrame ||
- function(f) {
- window.setTimeout(f, 40);
- };
diff --git a/xsl/datenspuren/xhtml5.xsl b/xsl/datenspuren/xhtml5.xsl
index e0098a7ae..05a3a0922 100644
--- a/xsl/datenspuren/xhtml5.xsl
+++ b/xsl/datenspuren/xhtml5.xsl
@@ -258,9 +258,6 @@
-