slight changes to make motion lab frontend work

Author: heidgera

utils.js

@@ -10,9 +10,12 @@ function µ(id, elem) {
       ret = document.createElement(spl[0].substring(1));
       if (elem) elem.appendChild(ret);
       break;
-    default:
+    case '#':
       ret = root.querySelector(spl[0]);
       break;
+    default:
+      ret = root.querySelectorAll(spl[0]);
+      break;
   }
   if (spl.length <= 1) return ret;
   else return ret.getAttribute(spl[1]);
@@ -277,6 +280,25 @@ function zeroPad(num, size) {
   return s;
 }
 
+function position(elem) {
+  var offset = { x:0, y:0 };
+  while (elem)
+  {
+    offset.x += elem.offsetLeft;
+    offset.y += elem.offsetTop;
+    elem = elem.offsetParent;
+  }
+
+  return offset;
+}
+
+function extractNumber(value)
+{
+  var n = parseInt(value);
+
+  return n == null || isNaN(n) ? 0 : n;
+}
+
 // Reduce a fraction by finding the Greatest Common Divisor and dividing by it.
 function reduce(numerator, denominator) {
   var gcd = function gcd(a, b) {

websocket.js

@@ -1,7 +1,5 @@
-include([], function() {
-
   var websocket = function() {
-    this.address = 'ws://' + window.location.host + '/';
+    this.address = 'ws://' + window.location.host + ':8080/';
     this.connectInterval = null;
     this.serialport = '';
     var ws = null;
@@ -44,4 +42,3 @@ include([], function() {
   };
 
   window.wsClient = new websocket();
-});