diff --git a/web/ons-demo/css/skin.default.css b/web/ons-demo/css/skin.default.css
index a3d2b5b..d3a9e61 100644
--- a/web/ons-demo/css/skin.default.css
+++ b/web/ons-demo/css/skin.default.css
@@ -29,7 +29,7 @@
 	position: absolute;
 	bottom: 0px;
 	right: 0px;
-	font-size: 8px;
+	font-size: 12px;
 }
 
 #status.top span {
diff --git a/web/ons-demo/js/app.js b/web/ons-demo/js/app.js
index 54a35de..825b1a3 100644
--- a/web/ons-demo/js/app.js
+++ b/web/ons-demo/js/app.js
@@ -1,5 +1,10 @@
 /*global d3*/
 
+d3.selection.prototype.moveToFront = function() {
+  return this.each(function(){
+    this.parentNode.appendChild(this);
+  });
+};
 
 var colors = [
 	'color1',
@@ -118,6 +123,10 @@
 		rings[2].angles[i] = rings[1].angles[index];
 	});
 
+
+
+
+
 	return rings;
 }
 
@@ -240,19 +249,21 @@
 
 
 	// do mouseover zoom on edge nodes
-	// function zoom(data, index) {
-	// 	var g = d3.select(document.getElementById(data.switches[index].dpid)).select('circle');
-	// 		g.transition().duration(100).attr("r", rings[0].width*3);
-	// }
+	function zoom(data, index) {
+		var g = d3.select(document.getElementById(data.switches[index].dpid)).select('circle');
+			g.transition().duration(100).attr("r", g.data()[0].width*3);
+			// TODO: this doesn't work because the data binding is by index
+//			d3.select(this.parentNode).moveToFront();
+	}
 
-	// svg.selectAll('.edge').on('mouseover', zoom);
-	// svg.selectAll('.edge').on('mousedown', zoom);
+	svg.selectAll('.edge').on('mouseover', zoom);
+	svg.selectAll('.edge').on('mousedown', zoom);
 
-	// function unzoom(data, index) {
-	// 	var g = d3.select(document.getElementById(data.switches[index].dpid)).select('circle');
-	// 		g.transition().duration(100).attr("r", rings[0].width);
-	// }
-	// svg.selectAll('.edge').on('mouseout', unzoom);
+	function unzoom(data, index) {
+		var g = d3.select(document.getElementById(data.switches[index].dpid)).select('circle');
+			g.transition().duration(100).attr("r", g.data()[0].width);
+	}
+	svg.selectAll('.edge').on('mouseout', unzoom);
 
 
 	// DRAW THE LINKS
@@ -352,7 +363,7 @@
 	updateModel(function (newModel) {
 		console.log('Update time: ' + (Date.now() - d)/1000 + 's');
 
-		if (!oldModel || JSON.stringify(oldModel) != JSON.stringify(newModel)) {
+		if (true || !oldModel || JSON.stringify(oldModel) != JSON.stringify(newModel)) {
 			updateControllers(newModel);
 			updateTopology(svg, newModel);
 		} else {