--- a/client/js/random-data.js	Fri May 16 12:37:51 2014 +0200
+++ b/client/js/random-data.js	Fri May 16 14:09:57 2014 +0200
@@ -5,14 +5,15 @@
     _opts.edge_count = _opts.edge_count || 2 * _opts.node_count;
     _opts.user_colors = _opts.user_colors || ["#ff0000", "#008000", "#0000ff", "#808000", "#808080", "#c000c0", "#00c0c0"];
     var _proj = _renkan.project;
-    for (var i = 0; i < _opts.user_count; i++) {
+    var i;
+    for (i = 0; i < _opts.user_count; i++) {
         _proj.addUser({
             id: "user-"+i,
             title: "User #"+(1+i),
             color: _opts.user_colors[i]
         });
     }
-    for (var i = 0; i < _opts.node_count; i++) {
+    for (i = 0; i < _opts.node_count; i++) {
         _proj.addNode({
             id: "node-"+i,
             title: "Node #"+(1+i),
@@ -23,7 +24,7 @@
             }
         });
     }
-    for (var i = 0; i < _opts.node_count; i++) {
+    for (i = 0; i < _opts.node_count; i++) {
         var _from, _to;
         _from = _to = Math.floor(_opts.node_count*Math.random());
         while(_from === _to) {