diff --git a/src/application/views/user/forgot_password.php b/src/application/views/user/forgot_password.php
index 78b38bfe..f543ce70 100644
--- a/src/application/views/user/forgot_password.php
+++ b/src/application/views/user/forgot_password.php
@@ -73,7 +73,7 @@
              * Make an ajax call to the server and check whether the user's credentials are right. 
              * If yes then redirect him to his desired page, otherwise display a message.
              */
-            $('form').submit(function() {
+            $('form').submit(function(event) {
                 event.preventDefault(); 
                 
                 var postUrl = GlobalVariables.baseUrl + 'user/ajax_forgot_password';
diff --git a/src/application/views/user/login.php b/src/application/views/user/login.php
index 0c5fdc6e..c783db53 100644
--- a/src/application/views/user/login.php
+++ b/src/application/views/user/login.php
@@ -82,7 +82,7 @@
              * Make an ajax call to the server and check whether the user's credentials are right. 
              * If yes then redirect him to his desired page, otherwise display a message.
              */
-            $('#login-form').submit(function() {
+            $('#login-form').submit(function(event) {
                 event.preventDefault(); 
                 
                 var postUrl = GlobalVariables.baseUrl + 'user/ajax_check_login';
diff --git a/src/assets/js/backend_customers.js b/src/assets/js/backend_customers.js
index f4275d03..3702bba5 100644
--- a/src/assets/js/backend_customers.js
+++ b/src/assets/js/backend_customers.js
@@ -60,12 +60,12 @@ CustomersHelper.prototype.bindEventHandlers = function() {
     /**
      * Event: Filter Customers Form "Submit"
      */
-    $('#filter-customers form').submit(function() {
-        event.preventDefault();
+    $('#filter-customers form').submit(function(event) {
         var key = $('#filter-customers .key').val();
         $('#filter-customers .selected-row').removeClass('selected-row');
         BackendCustomers.helper.resetForm();
         BackendCustomers.helper.filter(key);
+        return false;
     });
     
     /**
diff --git a/src/assets/js/backend_services.js b/src/assets/js/backend_services.js
index 92e29a2d..d855e8e2 100644
--- a/src/assets/js/backend_services.js
+++ b/src/assets/js/backend_services.js
@@ -116,12 +116,12 @@ ServicesHelper.prototype.bindEventHandlers = function() {
     /**
      * Event: Filter Services Form "Submit"
      */
-    $('#filter-services form').submit(function() {
-        event.preventDefault();
+    $('#filter-services form').submit(function(event) {
         var key = $('#filter-services .key').val();
         $('#filter-services .selected-row').removeClass('selected-row');
         BackendServices.helper.resetForm();
         BackendServices.helper.filter(key);
+        return false;
     });
 
     /**
@@ -343,7 +343,6 @@ ServicesHelper.prototype.resetForm = function() {
     $('#filter-services .selected-row').removeClass('selected-row');
     $('#filter-services button').prop('disabled', false);
     $('#filter-services .results').css('color', '');
-    $('#filter-services .key').val('');
 };
 
 /**
@@ -478,12 +477,12 @@ CategoriesHelper.prototype.bindEventHandlers = function() {
     /**
      * Event: Filter Categories Form "Submit"
      */
-    $('#filter-categories form').submit(function() {
-        event.preventDefault();
+    $('#filter-categories form').submit(function(event) {
         var key = $('#filter-categories .key').val();
         $('.selected-row').removeClass('selected-row');
         BackendServices.helper.resetForm();
         BackendServices.helper.filter(key);
+        return false;
     });
     
     /**
@@ -724,7 +723,6 @@ CategoriesHelper.prototype.resetForm = function() {
     $('#filter-categories .selected-row').removeClass('selected-row');
     $('#filter-categories .results').css('color', '');
     $('#filter-categories button').prop('disabled', false);
-    $('#filter-categories .key').val('');
 };
 
 /**
diff --git a/src/assets/js/backend_users_admins.js b/src/assets/js/backend_users_admins.js
index e3146b08..2e978197 100644
--- a/src/assets/js/backend_users_admins.js
+++ b/src/assets/js/backend_users_admins.js
@@ -18,12 +18,12 @@ AdminsHelper.prototype.bindEventHandlers = function() {
      * 
      * Filter the admin records with the given key string.
      */
-    $('#filter-admins form').submit(function() {
-        event.preventDefault();
+    $('#filter-admins form').submit(function(event) {
         var key = $('#filter-admins .key').val();
         $('#filter-admins .selected-row').removeClass('selected-row');
         BackendUsers.helper.resetForm();
         BackendUsers.helper.filter(key);
+        return false;
     });
     
     /**
diff --git a/src/assets/js/backend_users_providers.js b/src/assets/js/backend_users_providers.js
index 9b4a38c7..c927f82a 100644
--- a/src/assets/js/backend_users_providers.js
+++ b/src/assets/js/backend_users_providers.js
@@ -18,12 +18,12 @@ ProvidersHelper.prototype.bindEventHandlers = function() {
      * 
      * Filter the provider records with the given key string.
      */
-    $('#filter-providers form').submit(function() {
-        event.preventDefault();
+    $('#filter-providers form').submit(function(event) {
         var key = $('#filter-providers .key').val();
         $('.selected-row').removeClass('selected-row');
         BackendUsers.helper.resetForm();
         BackendUsers.helper.filter(key);
+        return false;
     });
 
     /**
diff --git a/src/assets/js/backend_users_secretaries.js b/src/assets/js/backend_users_secretaries.js
index c1fef750..4b404f16 100644
--- a/src/assets/js/backend_users_secretaries.js
+++ b/src/assets/js/backend_users_secretaries.js
@@ -18,12 +18,12 @@ SecretariesHelper.prototype.bindEventHandlers = function() {
      * 
      * Filter the secretary records with the given key string.
      */
-    $('#filter-secretaries form').submit(function() {
-        event.preventDefault();
+    $('#filter-secretaries form').submit(function(event) {
         var key = $('#filter-secretaries .key').val();
         $('#filter-secretaries .selected-row').removeClass('selected-row');
         BackendUsers.helper.resetForm();
         BackendUsers.helper.filter(key);
+        return false;
     });
 
     /**
diff --git a/src/assets/js/frontend_book.js b/src/assets/js/frontend_book.js
index 3e5844c9..8eff96ab 100644
--- a/src/assets/js/frontend_book.js
+++ b/src/assets/js/frontend_book.js
@@ -212,9 +212,7 @@ var FrontendBook = {
              * once the appointment is cancelled, it will be delete from the 
              * database.
              */
-            $('#cancel-appointment').click(function() {
-                event.preventDefault();
-                
+            $('#cancel-appointment').click(function(event) {
                 var dialogButtons = {};
                 dialogButtons['OK'] = function() {
                     if ($('#cancel-reason').val() === '') {
@@ -234,6 +232,7 @@ var FrontendBook = {
                         
                 $('#message_box').append('<textarea id="cancel-reason" rows="3"></textarea>');
                 $('#cancel-reason').css('width', '353px');
+                return false;
             });
         }
         
@@ -244,9 +243,7 @@ var FrontendBook = {
          * in the meantime the selected appointment date/time wasn't reserved by
          * another customer or event. 
          */
-        $('#book-appointment-form').submit(function() {
-            event.preventDefault();
-            
+        $('#book-appointment-form').submit(function(event) {
             var formData = jQuery.parseJSON($('input[name="post_data"]').val());
             
             var postData = {
@@ -284,6 +281,8 @@ var FrontendBook = {
                     FrontendBook.getAvailableHours($('#select-date').val());
                 }
             }, 'json');
+            
+            return false;
         });
     },