diff --git a/addons/base/controllers/main.py b/addons/base/controllers/main.py
index 56328489a5b..cfc463e031c 100644
--- a/addons/base/controllers/main.py
+++ b/addons/base/controllers/main.py
@@ -12,6 +12,7 @@ import openerpweb.ast
 import openerpweb.nonliterals
 
 import cherrypy
+import xmlrpclib
 
 # Should move to openerpweb.Xml2Json
 class Xml2Json:
@@ -126,12 +127,7 @@ class Session(openerpweb.Controller):
         if flag == 'drop':
             db = kw.get('db')
             password = kw.get('password')
-            try:
-                res = req.session.proxy("db").drop(password, db)
-                if res:
-                    return res
-            except TypeError:
-                return {'error': e}
+            return req.session.proxy("db").drop(password, db)
             
     @openerpweb.jsonrequest
     def modules(self, req):
diff --git a/addons/base/static/src/js/chrome.js b/addons/base/static/src/js/chrome.js
index 7e19d138ff0..62d9b9c92c1 100644
--- a/addons/base/static/src/js/chrome.js
+++ b/addons/base/static/src/js/chrome.js
@@ -880,8 +880,8 @@ openerp.base.CrashManager = openerp.base.Dialog.extend({
             this.dialog_title = "OpenERP Error";
             this.template = 'DialogTraceback';
             this.open({
-                width: '80%',
-                height: '80%'
+                width: 'auto',
+                height: 'auto'
             });
         }
     }
@@ -946,8 +946,10 @@ openerp.base.Database = openerp.base.Controller.extend({
 	        	if (confirm("Do you really want to delete the database: " + db + " ?")) {
 		        	self.rpc("/base/session/db_operation", {'flag': 'drop', 'db': db, 'password': password}, 
 			        	function(result) {
-			        		self.$option_id.find("select[name=drop_db] :selected").remove();
-			        		self.notification.notify("Dropping database", "The database '" + db + "' has been dropped");
+			        		if (!result.error) {
+				        		self.$option_id.find("select[name=drop_db] :selected").remove();
+				        		self.notification.notify("Dropping database", "The database '" + db + "' has been dropped");
+				        	}
 			        	});
 		        }
 	        });
diff --git a/openerpweb/openerpweb.py b/openerpweb/openerpweb.py
index 33c5c14edb3..8a759bd9b82 100644
--- a/openerpweb/openerpweb.py
+++ b/openerpweb/openerpweb.py
@@ -317,16 +317,27 @@ class JsonRequest(object):
                 }
             }
         except xmlrpclib.Fault, e:
-            error = {
-                'code': 200,
-                'message': "OpenERP Server Error",
-                'data': {
-                    'type': 'server_exception',
-                    'fault_code': e.faultCode,
-                    'debug': "Client %s\nServer %s" % (
-                    "".join(traceback.format_exception("", None, sys.exc_traceback)), e.faultString)
+            if e.faultCode and e.faultCode.split(':')[0] == 'AccessDenied':
+                message, string = e.faultCode.split(':')
+                error = {
+                     'code': 200,
+                     'message': message,
+                     'data': {
+                              'type': 'server_exception',
+                              'debug': string
+                      }
+                 }
+            else:
+                error = {
+                    'code': 200,
+                    'message': "OpenERP Server Error",
+                    'data': {
+                        'type': 'server_exception',
+                        'fault_code': e.faultCode,
+                        'debug': "Client %s\nServer %s" % (
+                        "".join(traceback.format_exception("", None, sys.exc_traceback)), e.faultString)
+                    }
                 }
-            }
         except Exception:
             cherrypy.log("An error occured while handling a json request",
                          severity=logging.ERROR, traceback=True)