diff -r 67f3a24a7c01 -r fa8035885814 client/js/renderer/nodeshrinkbutton.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/client/js/renderer/nodeshrinkbutton.js	Mon May 05 17:43:37 2014 +0200
@@ -0,0 +1,34 @@
+"use strict";
+
+define(['jquery', 'underscore', 'requtils', 'renderer/nodebutton'], function ($, _, requtils, NodeButton) {
+    
+    var Utils = requtils.getUtils();
+
+    /* NodeShrinkButton Begin */
+
+    //var NodeShrinkButton = Renderer.NodeShrinkButton = Utils.inherit(Renderer._NodeButton);
+    var NodeShrinkButton = Utils.inherit(NodeButton);
+
+    _(NodeShrinkButton.prototype).extend({
+        _init: function() {
+            this.type = "Node-shrink-button";
+            this.lastSectorInner = 0;
+            this.startAngle = -180;
+            this.endAngle = -135;
+            this.imageName = "shrink";
+            this.text = "Shrink";
+        },
+        mouseup: function() {
+            var _newsize = -1 + (this.source_representation.model.get("size") || 0);
+            this.source_representation.model.set("size", _newsize);
+            this.source_representation.select();
+            this.select();
+            paper.view.draw();
+        }
+    });
+
+    /* NodeShrinkButton End */
+    
+    return NodeShrinkButton;
+
+});
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