diff --git a/planetstack/core/xoslib/static/js/xoslib/xos-backbone.js b/planetstack/core/xoslib/static/js/xoslib/xos-backbone.js
index 48d6c99..f18d303 100644
--- a/planetstack/core/xoslib/static/js/xoslib/xos-backbone.js
+++ b/planetstack/core/xoslib/static/js/xoslib/xos-backbone.js
@@ -1,202 +1,205 @@
-SLIVER_API = "/plstackapi/slivers/";
-SLICE_API = "/plstackapi/slices/";
-NODE_API = "/plstackapi/nodes/";
-SITE_API = "/plstackapi/sites/";
-USER_API = "/plstackapi/users/";
-DEPLOYMENT_API = "/plstackapi/deployments";
+if (! window.XOSLIB_LOADED ) {
+    window.XOSLIB_LOADED=true;
 
-SLICEPLUS_API = "/xoslib/slicesplus/";
+    SLIVER_API = "/plstackapi/slivers/";
+    SLICE_API = "/plstackapi/slices/";
+    NODE_API = "/plstackapi/nodes/";
+    SITE_API = "/plstackapi/sites/";
+    USER_API = "/plstackapi/users/";
+    DEPLOYMENT_API = "/plstackapi/deployments";
 
-XOSModel = Backbone.Model.extend({
-    /* from backbone-tastypie.js */
-    //idAttribute: 'resource_uri',
+    SLICEPLUS_API = "/xoslib/slicesplus/";
 
-    /* from backbone-tastypie.js */
-    url: function() {
-                var url = this.attributes.resource_uri;
+    XOSModel = Backbone.Model.extend({
+        /* from backbone-tastypie.js */
+        //idAttribute: 'resource_uri',
 
-                if (!url) {
-                    url = this.urlRoot + this.id;
-                }
+        /* from backbone-tastypie.js */
+        url: function() {
+                    var url = this.attributes.resource_uri;
 
-                if (!url) {
-                    // XXX I'm not sure this does anything useful
-   		    url = ( _.isFunction( this.collection.url ) ? this.collection.url() : this.collection.url );
-  		    url = url || this.urlRoot;
-		}
+                    if (!url) {
+                        url = this.urlRoot + this.id;
+                    }
 
-                // remove any existing query parameters
-                url && ( url.indexOf("?") > -1 ) && ( url = url.split("?")[0] );
+                    if (!url) {
+                        // XXX I'm not sure this does anything useful
+                        url = ( _.isFunction( this.collection.url ) ? this.collection.url() : this.collection.url );
+                        url = url || this.urlRoot;
+                    }
 
-		url && ( url += ( url.length > 0 && url.charAt( url.length - 1 ) === '/' ) ? '' : '/' );
+                    // remove any existing query parameters
+                    url && ( url.indexOf("?") > -1 ) && ( url = url.split("?")[0] );
 
-                url && ( url += "?no_hyperlinks=1" );
+                    url && ( url += ( url.length > 0 && url.charAt( url.length - 1 ) === '/' ) ? '' : '/' );
 
-		return url;
-	},
+                    url && ( url += "?no_hyperlinks=1" );
 
-        listMethods: function() {
-            var res = [];
-            for(var m in this) {
-                if(typeof this[m] == "function") {
-                    res.push(m)
+                    return url;
+            },
+
+            listMethods: function() {
+                var res = [];
+                for(var m in this) {
+                    if(typeof this[m] == "function") {
+                        res.push(m)
+                    }
                 }
+                return res;
+            }
+    });
+
+    XOSCollection = Backbone.Collection.extend({
+        objects: function() {
+                    return this.models.map(function(element) { return element.attributes; });
+                 },
+
+        initialize: function(){
+          this.sortVar = 'name';
+          this.sortOrder = 'asc';
+        },
+
+        simpleComparator: function( model ){
+          parts=this.sortVar.split(".");
+          result = model.get(parts[0]);
+          for (index=1; index<parts.length; ++index) {
+              result=result[parts[index]];
+          }
+          return result;
+        },
+
+        comparator: function (left, right) {
+            var l = this.simpleComparator(left);
+            var r = this.simpleComparator(right);
+
+            if (l === void 0) return -1;
+            if (r === void 0) return 1;
+
+            if (this.sortOrder=="desc") {
+                return l < r ? 1 : l > r ? -1 : 0;
+            } else {
+                return l < r ? -1 : l > r ? 1 : 0;
             }
-            return res;
-        }
-});
+        },
+
+        startPolling: function() {
+            if (!this._polling) {
+                collection=this;
+                setInterval(function() { collection.fetch(); }, 10000);
+                this._polling=true;
+                this.fetch();
+            }
+        },
 
-XOSCollection = Backbone.Collection.extend({
-    objects: function() {
-                return this.models.map(function(element) { return element.attributes; });
-             },
+        maybeFetch: function(options){
+                // Helper function to fetch only if this collection has not been fetched before.
+            if(this._fetched){
+                    // If this has already been fetched, call the success, if it exists
+                options.success && options.success();
+                console.log("alreadyFetched");
+                return;
+            }
 
-    initialize: function(){
-      this.sortVar = 'name';
-      this.sortOrder = 'asc';
-    },
-
-    simpleComparator: function( model ){
-      parts=this.sortVar.split(".");
-      result = model.get(parts[0]);
-      for (index=1; index<parts.length; ++index) {
-          result=result[parts[index]];
-      }
-      return result;
-    },
-
-    comparator: function (left, right) {
-        var l = this.simpleComparator(left);
-        var r = this.simpleComparator(right);
-
-        if (l === void 0) return -1;
-        if (r === void 0) return 1;
-
-        if (this.sortOrder=="desc") {
-            return l < r ? 1 : l > r ? -1 : 0;
-        } else {
-            return l < r ? -1 : l > r ? 1 : 0;
-        }
-    },
-
-    startPolling: function() {
-        if (!this._polling) {
-            collection=this;
-            setInterval(function() { collection.fetch(); }, 10000);
-            this._polling=true;
-            this.fetch();
-        }
-    },
-
-    maybeFetch: function(options){
-            // Helper function to fetch only if this collection has not been fetched before.
-        if(this._fetched){
-                // If this has already been fetched, call the success, if it exists
-            options.success && options.success();
-            console.log("alreadyFetched");
-            return;
-        }
-
-            // when the original success function completes mark this collection as fetched
-        var self = this,
-        successWrapper = function(success){
-            return function(){
-                self._fetched = true;
-                success && success.apply(this, arguments);
+                // when the original success function completes mark this collection as fetched
+            var self = this,
+            successWrapper = function(success){
+                return function(){
+                    self._fetched = true;
+                    success && success.apply(this, arguments);
+                };
             };
-        };
-        options.success = successWrapper(options.success);
-        console.log("call fetch");
-        this.fetch(options);
-    },
+            options.success = successWrapper(options.success);
+            console.log("call fetch");
+            this.fetch(options);
+        },
 
-    getOrFetch: function(id, options){
-            // Helper function to use this collection as a cache for models on the server
-        var model = this.get(id);
+        getOrFetch: function(id, options){
+                // Helper function to use this collection as a cache for models on the server
+            var model = this.get(id);
 
-        if(model){
-            options.success && options.success(model);
-            return;
-        }
+            if(model){
+                options.success && options.success(model);
+                return;
+            }
 
-        model = new this.model({
-            resource_uri: id
-        });
+            model = new this.model({
+                resource_uri: id
+            });
 
-        model.fetch(options);
-    },
+            model.fetch(options);
+        },
 
-    /* from backbone-tastypie.js */
-    url: function( models ) {
-		var url = this.urlRoot || ( models && models.length && models[0].urlRoot );
-		url && ( url += ( url.length > 0 && url.charAt( url.length - 1 ) === '/' ) ? '' : '/' );
+        /* from backbone-tastypie.js */
+        url: function( models ) {
+                    var url = this.urlRoot || ( models && models.length && models[0].urlRoot );
+                    url && ( url += ( url.length > 0 && url.charAt( url.length - 1 ) === '/' ) ? '' : '/' );
 
-		// Build a url to retrieve a set of models. This assume the last part of each model's idAttribute
-		// (set to 'resource_uri') contains the model's id.
-		if ( models && models.length ) {
-			var ids = _.map( models, function( model ) {
-					var parts = _.compact( model.id.split('/') );
-					return parts[ parts.length - 1 ];
-				});
-			url += 'set/' + ids.join(';') + '/';
-		}
+                    // Build a url to retrieve a set of models. This assume the last part of each model's idAttribute
+                    // (set to 'resource_uri') contains the model's id.
+                    if ( models && models.length ) {
+                            var ids = _.map( models, function( model ) {
+                                            var parts = _.compact( model.id.split('/') );
+                                            return parts[ parts.length - 1 ];
+                                    });
+                            url += 'set/' + ids.join(';') + '/';
+                    }
 
-                url && ( url += "?no_hyperlinks=1" );
+                    url && ( url += "?no_hyperlinks=1" );
 
-		return url;
-	},
+                    return url;
+            },
 
-        listMethods: function() {
-            var res = [];
-            for(var m in this) {
-                if(typeof this[m] == "function") {
-                    res.push(m)
+            listMethods: function() {
+                var res = [];
+                for(var m in this) {
+                    if(typeof this[m] == "function") {
+                        res.push(m)
+                    }
                 }
-            }
-            return res;
-        }
-});
+                return res;
+            }
+    });
 
-function xoslib() {
-    // basic REST
-    this.sliver = XOSModel.extend({ urlRoot: SLIVER_API });
-    this.sliverCollection = XOSCollection.extend({ urlRoot: SLIVER_API,
-                                                   model: this.sliver});
-    this.slivers = new this.sliverCollection();
+    function xoslib() {
+        // basic REST
+        this.sliver = XOSModel.extend({ urlRoot: SLIVER_API });
+        this.sliverCollection = XOSCollection.extend({ urlRoot: SLIVER_API,
+                                                       model: this.sliver});
+        this.slivers = new this.sliverCollection();
 
-    this.slice = XOSModel.extend({ urlRoot: SLICE_API });
-    this.sliceCollection = XOSCollection.extend({ urlRoot: SLICE_API,
-                                                   model: this.slice});
-    this.slices = new this.sliceCollection();
+        this.slice = XOSModel.extend({ urlRoot: SLICE_API });
+        this.sliceCollection = XOSCollection.extend({ urlRoot: SLICE_API,
+                                                       model: this.slice});
+        this.slices = new this.sliceCollection();
 
-    this.node = XOSModel.extend({ urlRoot: NODE_API });
-    this.nodeCollection = XOSCollection.extend({ urlRoot: NODE_API,
-                                                   model: this.node});
-    this.nodes = new this.nodeCollection();
+        this.node = XOSModel.extend({ urlRoot: NODE_API });
+        this.nodeCollection = XOSCollection.extend({ urlRoot: NODE_API,
+                                                       model: this.node});
+        this.nodes = new this.nodeCollection();
 
-    this.site = XOSModel.extend({ urlRoot: SITE_API });
-    this.siteCollection = XOSCollection.extend({ urlRoot: SITE_API,
-                                                   model: this.site});
-    this.sites = new this.siteCollection();
+        this.site = XOSModel.extend({ urlRoot: SITE_API });
+        this.siteCollection = XOSCollection.extend({ urlRoot: SITE_API,
+                                                       model: this.site});
+        this.sites = new this.siteCollection();
 
-    this.user = XOSModel.extend({ urlRoot: USER_API });
-    this.userCollection = XOSCollection.extend({ urlRoot: USER_API,
-                                                   model: this.user});
-    this.users = new this.userCollection();
+        this.user = XOSModel.extend({ urlRoot: USER_API });
+        this.userCollection = XOSCollection.extend({ urlRoot: USER_API,
+                                                       model: this.user});
+        this.users = new this.userCollection();
 
-    this.deployment = XOSModel.extend({ urlRoot: DEPLOYMENT_API });
-    this.deploymentCollection = XOSCollection.extend({ urlRoot: DEPLOYMENT_API,
-                                                       model: this.deployment});
-    this.deployments = new this.deploymentCollection();
+        this.deployment = XOSModel.extend({ urlRoot: DEPLOYMENT_API });
+        this.deploymentCollection = XOSCollection.extend({ urlRoot: DEPLOYMENT_API,
+                                                           model: this.deployment});
+        this.deployments = new this.deploymentCollection();
 
-    // enhanced REST
-    this.slicePlus = XOSModel.extend({ urlRoot: SLICEPLUS_API });
-    this.slicePlusCollection = XOSCollection.extend({ urlRoot: SLICEPLUS_API,
-                                                      model: this.slicePlus});
-    this.slicesPlus = new this.slicePlusCollection();
+        // enhanced REST
+        this.slicePlus = XOSModel.extend({ urlRoot: SLICEPLUS_API });
+        this.slicePlusCollection = XOSCollection.extend({ urlRoot: SLICEPLUS_API,
+                                                          model: this.slicePlus});
+        this.slicesPlus = new this.slicePlusCollection();
 
-    this.listObjects = function() { return ["slivers", "slices", "nodes", "sites", "users", "deployments"]; };
-};
+        this.listObjects = function() { return ["slivers", "slices", "nodes", "sites", "users", "deployments"]; };
+    };
 
-xos = new xoslib();
-
+    xos = new xoslib();
+}