diff --git a/app/assets/javascripts/src/Metamaps.GlobalUI.js b/app/assets/javascripts/src/Metamaps.GlobalUI.js
index db1af137..c37f8da1 100644
--- a/app/assets/javascripts/src/Metamaps.GlobalUI.js
+++ b/app/assets/javascripts/src/Metamaps.GlobalUI.js
@@ -373,29 +373,7 @@ Metamaps.GlobalUI.Search = {
                     self.close(0, true);
                 }
                 break;
-            case 65:
-            case 97:
-                
-                if (e.ctrlKey){
-                    Metamaps.Control.deselectAllNodes();
-                    Metamaps.Control.deselectAllEdges();
-
-                    e.preventDefault();
-                    Metamaps.Visualize.mGraph.graph.eachNode(function (n) {
-                        Metamaps.Control.selectNode(n,e);
-                    });
-
-                    Metamaps.Visualize.mGraph.plot();
-                }
-                
-                break;
-            case 69:
-            case 101:
-                if (e.ctrlKey){
-                    e.preventDefault();
-                    Metamaps.JIT.zoomExtents();
-                }
-                break;
+            
             default:
                 break; //console.log(e.which);
             }
diff --git a/app/assets/javascripts/src/Metamaps.JIT.js b/app/assets/javascripts/src/Metamaps.JIT.js
index bc81bff8..73ffa823 100644
--- a/app/assets/javascripts/src/Metamaps.JIT.js
+++ b/app/assets/javascripts/src/Metamaps.JIT.js
@@ -1654,6 +1654,11 @@ Metamaps.JIT = {
             var ratioX = spanX / width;
             var ratioY = spanY / height;
 
+            var cogX = (maxX + minX)/2;
+            var cogY = (maxY + minY)/2;
+
+            canvas.translate(-1* cogX, -1* cogY);
+
             var newRatio = Math.max(ratioX,ratioY);
             var scaleMultiplier = 1/newRatio*0.9;
 
@@ -1669,43 +1674,6 @@ Metamaps.JIT = {
                 canvas.scale(scaleMultiplier,scaleMultiplier);
             }
             
-            counter = 0;
-
-            nodes.forEach(function (n) {
-                var x = n.pos.x,
-                    y = n.pos.y;
-
-                if (counter == 0){
-                    maxX = x;
-                    minX = x; 
-                    maxY = y;
-                    minY = y; 
-                }
-
-                var arrayOfLabelLines = Metamaps.Util.splitLine(n.name, 30).split('\n'),
-                    dim = n.getData('dim'),
-                    ctx = canvas.getCtx();
-
-                var height = 25 * arrayOfLabelLines.length;
-
-                var index, lineWidths = [];
-                for (index = 0; index < arrayOfLabelLines.length; ++index) {
-                    lineWidths.push(ctx.measureText(arrayOfLabelLines[index]).width)
-                }
-                var width = Math.max.apply(null, lineWidths) + 8;
-
-                maxX = Math.max(x + width /2,maxX);
-                maxY = Math.max(y + n.getData("height") + 5 + height,maxY);
-                minX = Math.min(x - width /2,minX);
-                minY = Math.min(y - dim,minY);
-
-                counter++;
-            });
-
-            var cogX = (maxX + minX)/2;
-            var cogY = (maxY + minY)/2;
-
-            canvas.translate(-1* cogX, -1* cogY);
             $(document).trigger(Metamaps.JIT.events.zoom, [event]);
         }
         else if(nodes.length == 1){
diff --git a/app/assets/javascripts/src/Metamaps.js b/app/assets/javascripts/src/Metamaps.js
index 3cd98fb5..d3e7043f 100644
--- a/app/assets/javascripts/src/Metamaps.js
+++ b/app/assets/javascripts/src/Metamaps.js
@@ -2743,6 +2743,53 @@ Metamaps.Listeners = {
             case 27:
                 if (Metamaps.Active.Map) Metamaps.JIT.escKeyHandler();
                 break;
+            case 65: //if a or A is pressed
+            case 97:
+                
+                if (e.ctrlKey){
+                    Metamaps.Control.deselectAllNodes();
+                    Metamaps.Control.deselectAllEdges();
+
+                    e.preventDefault();
+                    Metamaps.Visualize.mGraph.graph.eachNode(function (n) {
+                        Metamaps.Control.selectNode(n,e);
+                    });
+
+                    Metamaps.Visualize.mGraph.plot();
+                }
+                
+                break;
+            case 69: //if e or E is pressed
+            case 101:
+                if (e.ctrlKey){
+                    e.preventDefault();
+                    Metamaps.JIT.zoomExtents();
+                }
+                break;
+            case 82: //if r or R is pressed
+            case 114:
+                if (e.ctrlKey){
+                    e.preventDefault();
+                    Metamaps.Control.removeSelectedNodes();
+                    console.log('Once function works, selected nodes will be removed');
+                }
+                break;
+            case 68: //if d or D is pressed
+            case 100:
+                if (e.ctrlKey){
+                    e.preventDefault();
+                    Metamaps.Control.deleteSelectedNodes();
+                    console.log('Once function works, selected nodes will be deleted');
+                }
+                break;
+            case 72: //if h or H is pressed
+            case 104:
+                if (e.ctrlKey){
+                    e.preventDefault();
+                    Metamaps.Control.hideSelectedNodes();
+                    console.log('Once function works, selected nodes will be hidden');
+                }
+                break;
             default:
                 break; //alert(e.which);
             }
diff --git a/db/schema.rb b/db/schema.rb
index 113dba8a..606735d7 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -1,134 +1,134 @@
-# encoding: UTF-8
-# This file is auto-generated from the current state of the database. Instead
-# of editing this file, please use the migrations feature of Active Record to
-# incrementally modify your database, and then regenerate this schema definition.
-#
-# Note that this schema.rb definition is the authoritative source for your
-# database schema. If you need to create the application database on another
-# system, you should be using db:schema:load, not running all the migrations
-# from scratch. The latter is a flawed and unsustainable approach (the more migrations
-# you'll amass, the slower it'll run and the greater likelihood for issues).
-#
-# It's strongly recommended to check this file into your version control system.
-
-ActiveRecord::Schema.define(:version => 20140930013020) do
-
-  create_table "in_metacode_sets", :force => true do |t|
-    t.integer  "metacode_id"
-    t.integer  "metacode_set_id"
-    t.datetime "created_at",      :null => false
-    t.datetime "updated_at",      :null => false
-  end
-
-  add_index "in_metacode_sets", ["metacode_id"], :name => "index_in_metacode_sets_on_metacode_id"
-  add_index "in_metacode_sets", ["metacode_set_id"], :name => "index_in_metacode_sets_on_metacode_set_id"
-
-  create_table "mappings", :force => true do |t|
-    t.text     "category"
-    t.integer  "xloc"
-    t.integer  "yloc"
-    t.integer  "topic_id"
-    t.integer  "synapse_id"
-    t.integer  "map_id"
-    t.integer  "user_id"
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
-  end
-
-  create_table "maps", :force => true do |t|
-    t.text     "name"
-    t.boolean  "arranged"
-    t.text     "desc"
-    t.text     "permission"
-    t.integer  "user_id"
-    t.datetime "created_at",              :null => false
-    t.datetime "updated_at",              :null => false
-    t.boolean  "featured"
-    t.string   "screenshot_file_name"
-    t.string   "screenshot_content_type"
-    t.integer  "screenshot_file_size"
-    t.datetime "screenshot_updated_at"
-  end
-
-  create_table "metacode_sets", :force => true do |t|
-    t.string   "name"
-    t.text     "desc"
-    t.integer  "user_id"
-    t.boolean  "mapperContributed"
-    t.datetime "created_at",        :null => false
-    t.datetime "updated_at",        :null => false
-  end
-
-  add_index "metacode_sets", ["user_id"], :name => "index_metacode_sets_on_user_id"
-
-  create_table "metacodes", :force => true do |t|
-    t.text     "name"
-    t.string   "icon"
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
-    t.string   "color"
-  end
-
-  create_table "synapses", :force => true do |t|
-    t.text     "desc"
-    t.text     "category"
-    t.text     "weight"
-    t.text     "permission"
-    t.integer  "node1_id"
-    t.integer  "node2_id"
-    t.integer  "user_id"
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
-  end
-
-  create_table "topics", :force => true do |t|
-    t.text     "name"
-    t.text     "desc"
-    t.text     "link"
-    t.text     "permission"
-    t.integer  "user_id"
-    t.integer  "metacode_id"
-    t.datetime "created_at",         :null => false
-    t.datetime "updated_at",         :null => false
-    t.string   "image_file_name"
-    t.string   "image_content_type"
-    t.integer  "image_file_size"
-    t.datetime "image_updated_at"
-    t.string   "audio_file_name"
-    t.string   "audio_content_type"
-    t.integer  "audio_file_size"
-    t.datetime "audio_updated_at"
-  end
-
-  create_table "users", :force => true do |t|
-    t.string   "name"
-    t.string   "email"
-    t.text     "settings"
-    t.string   "code",                   :limit => 8
-    t.string   "joinedwithcode",         :limit => 8
-    t.string   "crypted_password"
-    t.string   "password_salt"
-    t.string   "persistence_token"
-    t.string   "perishable_token"
-    t.datetime "created_at",                                            :null => false
-    t.datetime "updated_at",                                            :null => false
-    t.string   "encrypted_password",     :limit => 128, :default => ""
-    t.string   "remember_token"
-    t.datetime "remember_created_at"
-    t.string   "reset_password_token"
-    t.datetime "last_sign_in_at"
-    t.string   "last_sign_in_ip"
-    t.integer  "sign_in_count",                         :default => 0
-    t.datetime "current_sign_in_at"
-    t.string   "current_sign_in_ip"
-    t.datetime "reset_password_sent_at"
-    t.boolean  "admin"
-    t.string   "image_file_name"
-    t.string   "image_content_type"
-    t.integer  "image_file_size"
-    t.datetime "image_updated_at"
-  end
-
-  add_index "users", ["reset_password_token"], :name => "index_users_on_reset_password_token", :unique => true
-
-end
+# encoding: UTF-8
+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# Note that this schema.rb definition is the authoritative source for your
+# database schema. If you need to create the application database on another
+# system, you should be using db:schema:load, not running all the migrations
+# from scratch. The latter is a flawed and unsustainable approach (the more migrations
+# you'll amass, the slower it'll run and the greater likelihood for issues).
+#
+# It's strongly recommended to check this file into your version control system.
+
+ActiveRecord::Schema.define(:version => 20140930013020) do
+
+  create_table "in_metacode_sets", :force => true do |t|
+    t.integer  "metacode_id"
+    t.integer  "metacode_set_id"
+    t.datetime "created_at",      :null => false
+    t.datetime "updated_at",      :null => false
+  end
+
+  add_index "in_metacode_sets", ["metacode_id"], :name => "index_in_metacode_sets_on_metacode_id"
+  add_index "in_metacode_sets", ["metacode_set_id"], :name => "index_in_metacode_sets_on_metacode_set_id"
+
+  create_table "mappings", :force => true do |t|
+    t.text     "category"
+    t.integer  "xloc"
+    t.integer  "yloc"
+    t.integer  "topic_id"
+    t.integer  "synapse_id"
+    t.integer  "map_id"
+    t.integer  "user_id"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "maps", :force => true do |t|
+    t.text     "name"
+    t.boolean  "arranged"
+    t.text     "desc"
+    t.text     "permission"
+    t.integer  "user_id"
+    t.datetime "created_at",              :null => false
+    t.datetime "updated_at",              :null => false
+    t.boolean  "featured"
+    t.string   "screenshot_file_name"
+    t.string   "screenshot_content_type"
+    t.integer  "screenshot_file_size"
+    t.datetime "screenshot_updated_at"
+  end
+
+  create_table "metacode_sets", :force => true do |t|
+    t.string   "name"
+    t.text     "desc"
+    t.integer  "user_id"
+    t.boolean  "mapperContributed"
+    t.datetime "created_at",        :null => false
+    t.datetime "updated_at",        :null => false
+  end
+
+  add_index "metacode_sets", ["user_id"], :name => "index_metacode_sets_on_user_id"
+
+  create_table "metacodes", :force => true do |t|
+    t.text     "name"
+    t.string   "icon"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+    t.string   "color"
+  end
+
+  create_table "synapses", :force => true do |t|
+    t.text     "desc"
+    t.text     "category"
+    t.text     "weight"
+    t.text     "permission"
+    t.integer  "node1_id"
+    t.integer  "node2_id"
+    t.integer  "user_id"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "topics", :force => true do |t|
+    t.text     "name"
+    t.text     "desc"
+    t.text     "link"
+    t.text     "permission"
+    t.integer  "user_id"
+    t.integer  "metacode_id"
+    t.datetime "created_at",         :null => false
+    t.datetime "updated_at",         :null => false
+    t.string   "image_file_name"
+    t.string   "image_content_type"
+    t.integer  "image_file_size"
+    t.datetime "image_updated_at"
+    t.string   "audio_file_name"
+    t.string   "audio_content_type"
+    t.integer  "audio_file_size"
+    t.datetime "audio_updated_at"
+  end
+
+  create_table "users", :force => true do |t|
+    t.string   "name"
+    t.string   "email"
+    t.text     "settings"
+    t.string   "code",                   :limit => 8
+    t.string   "joinedwithcode",         :limit => 8
+    t.string   "crypted_password"
+    t.string   "password_salt"
+    t.string   "persistence_token"
+    t.string   "perishable_token"
+    t.datetime "created_at",                                            :null => false
+    t.datetime "updated_at",                                            :null => false
+    t.string   "encrypted_password",     :limit => 128, :default => ""
+    t.string   "remember_token"
+    t.datetime "remember_created_at"
+    t.string   "reset_password_token"
+    t.datetime "last_sign_in_at"
+    t.string   "last_sign_in_ip"
+    t.integer  "sign_in_count",                         :default => 0
+    t.datetime "current_sign_in_at"
+    t.string   "current_sign_in_ip"
+    t.datetime "reset_password_sent_at"
+    t.boolean  "admin"
+    t.string   "image_file_name"
+    t.string   "image_content_type"
+    t.integer  "image_file_size"
+    t.datetime "image_updated_at"
+  end
+
+  add_index "users", ["reset_password_token"], :name => "index_users_on_reset_password_token", :unique => true
+
+end