diff --git a/app/assets/javascripts/Jit/graphsettings-event-handlers.js b/app/assets/javascripts/Jit/graphsettings-event-handlers.js
index 8fb448b8..771dc1bb 100644
--- a/app/assets/javascripts/Jit/graphsettings-event-handlers.js
+++ b/app/assets/javascripts/Jit/graphsettings-event-handlers.js
@@ -338,36 +338,41 @@ function selectNodeOnClickHandler(node, e) {
   } //selectNodeOnRightClickHandler
 
 function canvasDoubleClickHandler(canvasLoc,e) { 
+
    //grab the location and timestamp of the click 
    var storedTime = MetamapsModel.lastCanvasClick;
    var now = Date.now(); //not compatible with IE8 FYI 
    MetamapsModel.lastCanvasClick = now;
  
-   if (now - storedTime < MetamapsModel.DOUBLE_CLICK_TOLERANCE) { 
-      //pop up node creation :) 
-      $('#topic_grabTopic').val("null"); 
-      $('#topic_addSynapse').val("false"); 
-      $('#new_topic').css('left', e.clientX + "px"); 
-      $('#new_topic').css('top', e.clientY + "px"); 
-      $('#topic_x').val(canvasLoc.x); 
-      $('#topic_y').val(canvasLoc.y);      
-      $('#new_topic').fadeIn('fast');
-      $('#topic_name').focus(); 
-   } else { 
-      $('#new_topic').fadeOut('fast'); 
-      $('#new_synapse').fadeOut('fast'); 
-      // reset the draw synapse positions to false
-      MetamapsModel.synapseStartCoord = false;
-      MetamapsModel.synapseEndCoord = false;
-      // set all node dimensions back to normal
-       Mconsole.graph.eachNode(function (n) {
-          n.setData('dim', 25, 'current');
-       });
-      tempInit = false; 
-      tempNode = null; 
-      tempNode2 = null; 
-      Mconsole.plot(); 
-   } 
+   // if on a public map, disable topic creation
+   if (userid && (mapperm || !mapid) ) {
+     if (now - storedTime < MetamapsModel.DOUBLE_CLICK_TOLERANCE) {  
+        //pop up node creation :) 
+        $('#topic_grabTopic').val("null"); 
+        $('#topic_addSynapse').val("false"); 
+        $('#new_topic').css('left', e.clientX + "px"); 
+        $('#new_topic').css('top', e.clientY + "px"); 
+        $('#topic_x').val(canvasLoc.x); 
+        $('#topic_y').val(canvasLoc.y);      
+        $('#new_topic').fadeIn('fast');
+        $('#topic_name').typeahead('setQuery','').focus(); 
+        return;
+     }
+    }
+    
+    $('#new_topic').fadeOut('fast'); 
+    $('#new_synapse').fadeOut('fast'); 
+    // reset the draw synapse positions to false
+    MetamapsModel.synapseStartCoord = false;
+    MetamapsModel.synapseEndCoord = false;
+    // set all node dimensions back to normal
+     Mconsole.graph.eachNode(function (n) {
+        n.setData('dim', 25, 'current');
+     });
+    tempInit = false; 
+    tempNode = null; 
+    tempNode2 = null; 
+    Mconsole.plot();  
 }//canvasDoubleClickHandler 
 
 function handleSelectionBeforeDragging(node, e) {
@@ -459,6 +464,10 @@ function onDragMoveTopicHandler(node, eventInfo, e) {
        }
        // if it's a right click or holding down alt, start synapse creation  ->third option is for firefox
        else if ((e.button == 2 || (e.button == 0 && e.altKey) || e.buttons == 2) && userid != null) {
+       
+           // if on a public map, disable synapse creation
+           if (mapid && !mapperm) return;
+       
            if (tempInit == false) {
               tempNode = node;
               tempInit = true;
diff --git a/app/assets/javascripts/Jit/jit2.0.0.js b/app/assets/javascripts/Jit/jit2.0.0.js
index 0fdcb15c..7a078b96 100644
--- a/app/assets/javascripts/Jit/jit2.0.0.js
+++ b/app/assets/javascripts/Jit/jit2.0.0.js
@@ -8328,7 +8328,7 @@ Layouts.ForceDirected = new Class({
             return;
           }
         }
-        incremental.onStep(Math.round(i /(times -1) * 100));
+        incremental.onStep(Math.round((i)/(times -1) * 100));
         setTimeout(iter, 1);
       })();
     } else {
diff --git a/app/views/maps/show.html.erb b/app/views/maps/show.html.erb
index 981cc711..d841635c 100644
--- a/app/views/maps/show.html.erb
+++ b/app/views/maps/show.html.erb
@@ -15,20 +15,22 @@
         <div class="sidebarSaveBox"></div>
       </div>
   <% end %>
-<div class="sidebarFork">
-  <div class="sidebarForkIcon hoverForTip">
-    <div class="tip">Save To New Map</div>
+  <div class="sidebarFork">
+    <div class="sidebarForkIcon hoverForTip">
+      <div class="tip">Save To New Map</div>
+    </div>
+    <div class="sidebarForkBox"></div>
   </div>
-  <div class="sidebarForkBox"></div>
-</div>
-<div class="sidebarCollaborate">
-  <div class="sidebarCollaborateIcon hoverForTip">
-    <div class="tip">Start Realtime Collaboration</div>
-  </div>
-  <div class="sidebarCollaborateBox">
-    
-  </div>
-</div>
+  <% if @map.permission == "commons" || @map.user == user %>
+    <div class="sidebarCollaborate">
+      <div class="sidebarCollaborateIcon hoverForTip">
+        <div class="tip">Start Realtime Collaboration</div>
+      </div>
+      <div class="sidebarCollaborateBox">
+        
+      </div>
+    </div>
+  <% end %>
 <% end %>
 <div class="sidebarFilter <%= authenticated? ? 'loggedin' : 'loggedout' %>">
   <div class="sidebarFilterIcon"></div>
@@ -57,8 +59,10 @@
 <div class="clearfloat"></div>
 
 <% if authenticated? %>
-  <%= render :partial => 'newtopic' %>
-  <%= render :partial => 'newsynapse' %>
+  <% if @map.permission == "commons" || @map.user == user %>
+    <%= render :partial => 'newtopic' %>
+    <%= render :partial => 'newsynapse' %>
+  <% end %>
   <%= render :partial => 'main/metacodeoptions' %>
   
   <% # for saving layouts %>