diff --git a/src/application/config/config.php b/src/application/config/config.php
index cf4496bc..e02350c7 100644
--- a/src/application/config/config.php
+++ b/src/application/config/config.php
@@ -19,6 +19,7 @@ include dirname(dirname(dirname(__FILE__))) . '/configuration.php';
 */
 require_once dirname(dirname(dirname(__FILE__))) . '/configuration.php';
 $config['base_url']	= SystemConfiguration::$base_url; 
+$config['ea_version'] = '0.6'; // This must be changed manually.
 
 /*
 |--------------------------------------------------------------------------
diff --git a/src/application/controllers/appointments.php b/src/application/controllers/appointments.php
index 5b17f8de..879faca6 100644
--- a/src/application/controllers/appointments.php
+++ b/src/application/controllers/appointments.php
@@ -646,35 +646,31 @@ class Appointments extends CI_Controller {
                 $this->db->query($query);
             }
             
-            //$this->db->reconnect();
-            
+            // Insert admin
+            $this->load->model('admins_model');
             $admin = json_decode($_POST['admin'], true);
-            $admin_role_id = $this->db->get_where('ea_roles', array('slug' => DB_SLUG_ADMIN))->row()->id;
-            $admin = json_decode($_POST['admin'], true);
-            $this->db->query('INSERT INTO `ea_users` (`first_name`, `last_name`, `email`, `phone_number`, `id_roles`) VALUES ' 
-                    . '("' . $admin['first_name'] . '", "' . $admin['last_name'] . '", "' . $admin['email'] . '", "' . $admin['phone_number'] . '", "' . $admin_role_id . '");');
-            $this->db->query('INSERT INTO `ea_user_settings` (`id_users`, `username`, `password`) VALUES '
-                    . '("' . $this->db->insert_id() . '", "' . $admin['username'] . '", "' . $admin['password'] . '");');
-            
-//            // Insert admin
-//            $this->load->model('admins_model');
-//            $admin = json_decode($_POST['admin'], true);
-//            $admin['settings']['username'] = $admin['username'];
-//            $admin['settings']['password'] = $admin['password'];
-//            unset($admin['username'], $admin['password']);
-//            $this->admins_model->add($admin);
+            $admin['settings']['username'] = $admin['username'];
+            $admin['settings']['password'] = $admin['password'];
+            unset($admin['username'], $admin['password']);
+            $this->admins_model->add($admin);
             
             // Save company settings
+            $this->load->model('settings_model');
             $company = json_decode($_POST['company'], true);
-            $this->db->query('INSERT INTO `ea_settings` (`name`, `value`) VALUES '
-                    . '("company_name", "' . $company['company_name'] . '"),'
-                    . '("company_email", "' . $company['company_email'] . '"),'
-                    . '("company_link", "' . $company['company_link'] . '");');
-//            $this->load->model('settings_model');
-//            $company = json_decode($_POST['company'], true);
-//            $this->settings_model->set_setting('company_name', $company['company_name']);
-//            $this->settings_model->set_setting('company_email', $company['company_email']);
-//            $this->settings_model->set_setting('company_link', $company['company_link']);
+            $this->settings_model->set_setting('company_name', $company['company_name']);
+            $this->settings_model->set_setting('company_email', $company['company_email']);
+            $this->settings_model->set_setting('company_link', $company['company_link']);
+            
+            // Try to send a notification email for the new installation. 
+            // IMPORTANT: THIS WILL ONLY BE USED TO TRACK THE INSTALLATION NUMBER AND
+            // NO PERSONAL DATA WILL BE USED FOR OTHER CAUSE.
+            try {
+                $this->load->library('notifications');
+                $this->notifications->send_new_installation($company['company_name'], 
+                        $company['company_email'], $company['company_link']);
+            } catch(Exception $exc) {
+                // Well, I guess we'll never know ...
+            }
             
             echo json_encode(AJAX_SUCCESS);
             
diff --git a/src/application/libraries/notifications.php b/src/application/libraries/notifications.php
index 26dfed65..38d30124 100644
--- a/src/application/libraries/notifications.php
+++ b/src/application/libraries/notifications.php
@@ -188,13 +188,13 @@ class Notifications {
         
         // :: SETUP EMAIL OBJECT AND SEND NOTIFICATION
         $mail = new PHPMailer();
-        $mail->From         = $company_settings['company_email'];
-        $mail->FromName     = $company_settings['company_name'];
+        $mail->From = $company_settings['company_email'];
+        $mail->FromName = $company_settings['company_name'];
         $mail->AddAddress($email); // "Name" argument crushes the phpmailer class.
         $mail->IsHTML(true);
-        $mail->CharSet      = 'UTF-8';
-        $mail->Subject      = 'New Account Password';
-        $mail->Body         = $email_html;
+        $mail->CharSet = 'UTF-8';
+        $mail->Subject = 'New Account Password';
+        $mail->Body = $email_html;
 
         if (!$mail->Send()) {
             throw new Exception('Email could not been sent. ' 
@@ -203,6 +203,30 @@ class Notifications {
         
         return TRUE;
     }
+    
+    /**
+     * Sends a simple email to notify for a new installation. 
+     * 
+     * This method will be only used for tracking the number of installations. No personal
+     * data will be retrieved for any other cause.
+     * 
+     * @returns bool Returns the "send()" method result.
+     */
+    public function send_new_installation($company_name, $company_email, $company_link) {
+        $mail = new PHPMailer();
+        $mail->From = $company_email;
+        $mail->FromName = 'New Installation: ' . $company_name ;
+        $mail->AddAddress('info@easyappointments.org');
+        $mail->IsHTML(true);
+        $mail->CharSet = 'UTF-8';
+        $mail->Subject = 'New Easy!Appointments Installation';
+        $mail->Body = 'Base URL: ' . $this->CI->config->item('base_url') . '<br>'
+                . 'E!A Version: ' . $this->CI->config->item('ea_version') . '<br>'
+                . 'Company Name: ' . $company_name . '<br>'
+                . 'Company Email: ' . $company_email . '<br>'
+                . 'Company Link: ' . $company_link . '<br>';
+        return $mail->Send();
+    }
 }
 
 /* End of file notifications.php */
diff --git a/src/application/views/appointments/book.php b/src/application/views/appointments/book.php
index 81a1b769..b8c6c9b9 100644
--- a/src/application/views/appointments/book.php
+++ b/src/application/views/appointments/book.php
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <head>
-    <title>Book Appointment | <?php echo $company_name; ?></title>
+    <title>Book Appointment With <?php echo $company_name; ?></title>
     <meta http-equiv="content-type" content="text/html; charset=UTF-8">
     
     <?php
diff --git a/src/application/views/backend/calendar.php b/src/application/views/backend/calendar.php
index 5eb7e2d2..59f0ddf4 100644
--- a/src/application/views/backend/calendar.php
+++ b/src/application/views/backend/calendar.php
@@ -36,7 +36,7 @@
     <div id="calendar-toolbar">
         <div id="calendar-filter">
             <label for="select-filter-item">Display Calendar</label>
-            <select id="select-filter-item"></select>
+            <select id="select-filter-item" title="Select a provider or a service and view the appointments on the calendar."></select>
         </div>
         
         <div id="calendar-actions">
@@ -100,16 +100,16 @@
                 <input id="appointment-id" type="hidden" />
                 
                 <div class="control-group">
-                    <label for="select-service" class="control-label">Service</label>
+                    <label for="select-service" class="control-label">Service *</label>
                     <div class="controls">
-                        <select id="select-service"></select>
+                        <select id="select-service" class="required"></select>
                     </div>
                 </div>
                 
                 <div class="control-group">
-                    <label for="select-provider" class="control-label">Provider</label>
+                    <label for="select-provider" class="control-label">Provider *</label>
                     <div class="controls">
-                        <select id="select-provider"></select>
+                        <select id="select-provider" class="required"></select>
                     </div>
                 </div>
                 
diff --git a/src/application/views/backend/customers.php b/src/application/views/backend/customers.php
index 32da9076..418ab005 100644
--- a/src/application/views/backend/customers.php
+++ b/src/application/views/backend/customers.php
@@ -26,7 +26,7 @@
 <div id="customers-page" class="row-fluid">
 	<div id="filter-customers" class="filter-records column span4">
 		<form class="input-append">
-			<input class="key span8" type="text" />
+			<input class="key span7" type="text" />
             <button class="filter btn" type="submit">
                     <i class="icon-filter"></i>
                     Filter
@@ -41,7 +41,7 @@
         <div class="results"></div>
 	</div>
 
-	<div id="details" class="span7 row-fluid">
+	<div class="details span7 row-fluid">
         <div class="btn-toolbar">
             <div id="add-edit-delete-group" class="btn-group">
                 <?php if ($privileges[PRIV_CUSTOMERS]['add'] == TRUE) { ?>
diff --git a/src/application/views/backend/footer.php b/src/application/views/backend/footer.php
index 82641920..4a7fb08f 100644
--- a/src/application/views/backend/footer.php
+++ b/src/application/views/backend/footer.php
@@ -1,8 +1,10 @@
 <div id="footer">
     <div id="footer-content">
-        Powered by <a href="http://easyappointments.org">Easy!Appointments</a> | 
-        Copyright &copy; <?php echo date('Y'); ?> 
-        <a href="http://alextselegidis.com">Alex Tselegidis</a> | 
+        Powered by 
+        <a href="http://easyappointments.org">
+            Easy!Appointments
+            v<?php echo $this->config->item('ea_version'); ?>
+        </a> | 
         Licensed Under GPLv3
     </div>
     
diff --git a/src/application/views/backend/header.php b/src/application/views/backend/header.php
index 55c1d222..5fbdea53 100644
--- a/src/application/views/backend/header.php
+++ b/src/application/views/backend/header.php
@@ -85,7 +85,8 @@
               // ------------------------------------------------------ ?>
         <?php $hidden = ($privileges[PRIV_APPOINTMENTS]['view'] == TRUE) ? '' : 'hidden'; ?>
         <?php $active = ($active_menu == PRIV_APPOINTMENTS) ? 'active' : ''; ?>
-        <a href="<?php echo $base_url; ?>backend" class="menu-item <?php echo $hidden; ?><?php echo $active; ?>">
+        <a href="<?php echo $base_url; ?>backend" class="menu-item <?php echo $hidden; ?><?php echo $active; ?>"
+                title="Manage all the appointment records of the available providers and services.">
             Calendar
         </a>
         
@@ -93,7 +94,8 @@
               // ------------------------------------------------------ ?>
         <?php $hidden = ($privileges[PRIV_CUSTOMERS]['view'] == TRUE) ? '' : 'hidden'; ?>
         <?php $active = ($active_menu == PRIV_CUSTOMERS) ? 'active' : ''; ?>
-        <a href="<?php echo $base_url; ?>backend/customers" class="menu-item <?php echo $hidden; ?><?php echo $active; ?>">
+        <a href="<?php echo $base_url; ?>backend/customers" class="menu-item <?php echo $hidden; ?><?php echo $active; ?>"
+                title="Manage the registered customers and view their booking history.">
             Customers
         </a>
         
@@ -101,7 +103,8 @@
               // ------------------------------------------------------ ?>
         <?php $hidden = ($privileges[PRIV_SERVICES]['view'] == TRUE) ? '' : 'hidden'; ?>
         <?php $active = ($active_menu == PRIV_SERVICES) ? 'active' : ''; ?>
-        <a href="<?php echo $base_url; ?>backend/services" class="menu-item <?php echo $hidden; ?><?php echo $active; ?>">
+        <a href="<?php echo $base_url; ?>backend/services" class="menu-item <?php echo $hidden; ?><?php echo $active; ?>"
+                title="Manage the available services and categories of the system.">
             Services
         </a>
         
@@ -109,7 +112,8 @@
               // ------------------------------------------------------ ?>
         <?php $hidden = ($privileges[PRIV_USERS]['view'] ==  TRUE) ? '' : 'hidden'; ?>
         <?php $active = ($active_menu == PRIV_USERS) ? 'active' : ''; ?>
-        <a href="<?php echo $base_url; ?>backend/users" class="menu-item <?php echo $hidden; ?><?php echo $active; ?>">
+        <a href="<?php echo $base_url; ?>backend/users" class="menu-item <?php echo $hidden; ?><?php echo $active; ?>"
+                title="Manage the backend users (admins, providers, secretaries).">
             Users
         </a>
         
@@ -118,7 +122,8 @@
         <?php $hidden = ($privileges[PRIV_SYSTEM_SETTINGS]['view'] == TRUE 
                 || $privileges[PRIV_USER_SETTINGS]['view'] == TRUE) ? '' : 'hidden'; ?>
         <?php $active = ($active_menu == PRIV_SYSTEM_SETTINGS) ? 'active' : ''; ?>
-        <a href="<?php echo $base_url; ?>backend/settings" class="menu-item <?php echo $hidden; ?><?php echo $active; ?>">
+        <a href="<?php echo $base_url; ?>backend/settings" class="menu-item <?php echo $hidden; ?><?php echo $active; ?>"
+                title="Set system and user settings.">
             Settings
         </a>
         
diff --git a/src/application/views/backend/services.php b/src/application/views/backend/services.php
index 586d01e1..23b9db53 100644
--- a/src/application/views/backend/services.php
+++ b/src/application/views/backend/services.php
@@ -36,7 +36,7 @@
         <?php // FILTER SERVICES ?>
         <div id="filter-services" class="filter-records column span4">
             <form class="input-append">
-                <input class="key span8" type="text" />
+                <input class="key span7" type="text" />
                 <button class="filter btn" type="submit">
                     <i class="icon-filter"></i>
                     Filter
@@ -81,22 +81,22 @@
             <input type="hidden" id="service-id" />
             
             <label for="service-name">Name *</label>
-            <input type="text" id="service-name" class="span7 required" />
+            <input type="text" id="service-name" class="span6 required" />
             
-            <label for="service-duration">Duration *</label>
+            <label for="service-duration">Duration (Minutes) *</label>
             <input type="text" id="service-duration" class="required"  />
             
             <label for="service-price">Price *</label>
-            <input type="text" id="service-price" class="span7 required" />
+            <input type="text" id="service-price" class="required" />
             
             <label for="service-currency">Currency</label>
-            <input type="text" id="service-currency" class="span7" />
-            
-            <label for="service-description">Description</label>
-            <textarea id="service-description" rows="4" class="span7"></textarea>
+            <input type="text" id="service-currency" class="" />
             
             <label for="service-category">Category</label>
-            <select id="service-category" class="span7"></select>
+            <select id="service-category"></select>
+            
+            <label for="service-description">Description</label>
+            <textarea id="service-description" rows="4" class="span6"></textarea>
             
             <br/><br/>
             <em id="form-message" class="text-error">Fields with * are required!</em>
@@ -113,7 +113,7 @@
     <div id="categories" class="tab-content" style="display:none;">
         <div id="filter-categories" class="filter-records column span4">
             <form class="input-append">
-                <input class="key span8" type="text" class="" />
+                <input class="key span7" type="text" class="" />
                 <button class="filter btn" type="submit">
                     <i class="icon-filter"></i>
                     Filter
diff --git a/src/application/views/backend/settings.php b/src/application/views/backend/settings.php
index 420ab8dc..61ccc020 100644
--- a/src/application/views/backend/settings.php
+++ b/src/application/views/backend/settings.php
@@ -82,7 +82,7 @@
                 
                 <br>
                 
-                <a href="<?php echo $this->config->base_url(); ?>" target="_blank" class="btn btn-primary">
+                <a href="<?php echo $this->config->base_url(); ?>" target="_blank" class="btn btn-info">
                     <i class="icon-calendar icon-white"></i>
                     Go To Booking Page
                 </a>
diff --git a/src/application/views/backend/users.php b/src/application/views/backend/users.php
index 13722d0a..530e9447 100644
--- a/src/application/views/backend/users.php
+++ b/src/application/views/backend/users.php
@@ -62,7 +62,7 @@
     <div id="admins" class="tab-content">
         <div id="filter-admins" class="filter-records column span4">
             <form class="input-append">
-                <input class="key span8" type="text" />
+                <input class="key span7" type="text" />
                 <button class="filter btn" type="submit">
                     <i class="icon-filter"></i>
                     Filter
@@ -170,7 +170,7 @@
     <div id="providers" class="tab-content" style="display:none;">
         <div id="filter-providers" class="filter-records column span4">
             <form class="input-append">
-                <input class="key span8" type="text" />
+                <input class="key span7" type="text" />
                 <button class="filter btn" type="submit">
                     <i class="icon-filter"></i>
                     Filter
@@ -283,6 +283,10 @@
                 
             <div class="working-plan-view provider-view" style="display: none;">
                 <h2>Working Plan</h2>
+                <button id="reset-working-plan" class="btn btn-primary"
+                        title="Reset the working plan back to the default values.">
+                    <i class="icon-repeat icon-white"></i>
+                    Reset Plan</button>
                 <table class="working-plan table table-striped">
                     <thead>
                         <tr>
@@ -335,8 +339,8 @@
                 <h2>Breaks</h2>
 
                 <span class="help-block">
-                    Add the working breaks during each day. These breaks will be applied for 
-                    all new providers. 
+                    Add the working breaks during each day. During breaks the provider will 
+                    not accept any appointments.
                 </span>
 
                 <div>
@@ -374,7 +378,7 @@
     <div id="secretaries" class="tab-content" style="display:none;">
         <div id="filter-secretaries" class="filter-records column span4">
             <form class="input-append">
-                <input class="key span8" type="text" />
+                <input class="key span7" type="text" />
                 <button class="filter btn" type="submit">
                     <i class="icon-filter"></i>
                     Filter
diff --git a/src/application/views/general/installation.php b/src/application/views/general/installation.php
index 1f1da990..876521d0 100644
--- a/src/application/views/general/installation.php
+++ b/src/application/views/general/installation.php
@@ -45,6 +45,14 @@
             var AJAX_SUCCESS = 'SUCCESS';
             var AJAX_FAILURE = 'FAILURE';
             
+            $(document).ajaxStart(function() {
+                $('#loading').show();
+            });
+
+            $(document).ajaxStop(function() {
+                $('#loading').hide();
+            });
+            
             /**
              * Event: Install Easy!Appointments Button "Click"
              */
@@ -185,9 +193,28 @@
            margin-top: 20px;
            border-top: 1px solid #EEE;
         }
+        
+        #loading { 
+            position: absolute; 
+            top: 0px; 
+            left: 0px; 
+            width: 100%; 
+            height: 100%; 
+            z-index: 999999;
+            background: rgba(255, 255, 255, 0.75);
+        }
+
+        #loading img { 
+            margin: auto; 
+            display: block; 
+        }
     </style>
 </head>
 <body>
+    <div id="loading" style="display: none;">
+        <img src="<?php echo $base_url; ?>assets/images/loading.gif" />
+    </div>
+    
     <header>
         <a href="http://easyappointments.org" target="_blank">
             <img src="<?php echo $base_url; ?>assets/images/installation-banner.png" alt="Easy!Appointents Installation Banner">
diff --git a/src/assets/css/backend.css b/src/assets/css/backend.css
index a899c815..e64c00e9 100644
--- a/src/assets/css/backend.css
+++ b/src/assets/css/backend.css
@@ -110,14 +110,15 @@ root {
 }
 
 body .modal-header {
-    padding: 9px 15px;
-    background: #51B173;
-    border-bottom: 3px solid #3A8154;
+    padding: 12px 15px;
+    background: #3DD481;
+    border-bottom: 4px solid #3A8154;
     color: #FFF;
 }
 
 body .modal-header h3 {
     font-size: 20px;
+    text-shadow: 1px 1px 1px #134D13;
 }
 
 body .jspDrag {
@@ -128,6 +129,32 @@ body .jspTrack {
     background: #EBEBEB;
 }
 
+body .ui-dialog .ui-dialog-titlebar-close {
+    display: none;
+}
+
+body .ui-draggable .ui-dialog-titlebar {
+    background: #3DD481;
+    color: #FFF;
+    text-shadow: 1px 1px 0px #327451;
+    padding: 14px 10px;
+    border-bottom: 4px solid #1A865F;
+    margin-bottom: 10px;
+}
+
+body .ui-dialog {
+    padding: 0;
+}
+
+body .ui-dialog .ui-dialog-buttonpane {
+    padding: .3em 1em .3em .4em;
+}
+
+.breaks tr:hover td {
+    background: #FFFFC2 !important;
+}
+
+
 /* BACKEND CALENDAR PAGE
    -------------------------------------------------------------------- */
 #calendar-page #calendar-toolbar { 
@@ -274,15 +301,15 @@ body .jspTrack {
     margin: 5px 0; 
 }
 
-#customers-page #details { 
+#customers-page .details { 
     margin: 15px 0 15px 15px; 
 }
 
-#customers-page #details .btn-toolbar { 
+#customers-page .details .btn-toolbar { 
     margin-top: 0px; 
 }
 
-#customers-page #details div.span5 { 
+#customers-page .details div.span5 { 
     margin-left: 0; 
 }
 
@@ -304,8 +331,8 @@ body .jspTrack {
     cursor: pointer; 
 }
 
-#customers-page #details input,
-#customers-page #details textarea { 
+#customers-page .details input,
+#customers-page .details textarea { 
     background-color: white; 
     cursor: default; 
 }
@@ -358,6 +385,10 @@ body .jspTrack {
     margin-bottom: 10px; 
 }
 
+#services-page .details .ui-state-disabled {
+    opacity: 1;
+}
+
 #services-page #service-duration { 
     margin: 0px; 
 }
@@ -383,6 +414,13 @@ body .jspTrack {
     cursor: pointer; 
 }
 
+.details input:read-only,
+.details select:disabled,
+.details textarea:read-only {
+    opacity: 0.85;
+    box-shadow: none;
+}
+
 /* BACKEND USERS PAGE
    -------------------------------------------------------------------- */
 #users-page .tab-content { 
diff --git a/src/assets/js/backend_calendar.js b/src/assets/js/backend_calendar.js
index e98f4b5e..ae56e2ea 100644
--- a/src/assets/js/backend_calendar.js
+++ b/src/assets/js/backend_calendar.js
@@ -27,6 +27,7 @@ var BackendCalendar = {
             'defaultView': 'agendaWeek',
             'height': BackendCalendar.getCalendarHeight(),
             'editable': true,
+            'firstDay': 1, // Monday
             'slotMinutes': 30,
             'axisFormat': 'HH:mm',
             'timeFormat': 'HH:mm{ - HH:mm}',
@@ -67,28 +68,32 @@ var BackendCalendar = {
         BackendCalendar.calendarWindowResize(); 
         
         // Fill the select listboxes of the page.
-        var optgroupHtml = '<optgroup label="Providers" type="providers-group">';
-        $.each(GlobalVariables.availableProviders, function(index, provider) {
-            var hasGoogleSync = (provider['settings']['google_sync'] === '1') 
-                    ? 'true' : 'false';
-                
-            optgroupHtml += '<option value="' + provider['id'] + '" '  
-                    + 'type="' + BackendCalendar.FILTER_TYPE_PROVIDER + '" '  
-                    + 'google-sync="' + hasGoogleSync + '">'  
-                    + provider['first_name'] + ' ' + provider['last_name'] 
-                    + '</option>';
-        });
-        optgroupHtml += '</optgroup>';
-        $('#select-filter-item').append(optgroupHtml);
-        
-        optgroupHtml = '<optgroup label="Services" type="services-group">';
-        $.each(GlobalVariables.availableServices, function(index, service) {
-            optgroupHtml += '<option value="' + service['id'] + '" ' + 
-                    'type="' + BackendCalendar.FILTER_TYPE_SERVICE + '">' + 
-                    service['name'] + '</option>';
-        });
-        optgroupHtml += '</optgroup>';
-        $('#select-filter-item').append(optgroupHtml);
+        if (GlobalVariables.availableProviders.length > 0) {
+            var optgroupHtml = '<optgroup label="Providers" type="providers-group">';
+            $.each(GlobalVariables.availableProviders, function(index, provider) {
+                var hasGoogleSync = (provider['settings']['google_sync'] === '1') 
+                        ? 'true' : 'false';
+
+                optgroupHtml += '<option value="' + provider['id'] + '" '  
+                        + 'type="' + BackendCalendar.FILTER_TYPE_PROVIDER + '" '  
+                        + 'google-sync="' + hasGoogleSync + '">'  
+                        + provider['first_name'] + ' ' + provider['last_name'] 
+                        + '</option>';
+            });
+            optgroupHtml += '</optgroup>';
+            $('#select-filter-item').append(optgroupHtml);
+        }
+            
+        if (GlobalVariables.availableServices.length > 0) {
+            optgroupHtml = '<optgroup label="Services" type="services-group">';
+            $.each(GlobalVariables.availableServices, function(index, service) {
+                optgroupHtml += '<option value="' + service['id'] + '" ' + 
+                        'type="' + BackendCalendar.FILTER_TYPE_SERVICE + '">' + 
+                        service['name'] + '</option>';
+            });
+            optgroupHtml += '</optgroup>';
+            $('#select-filter-item').append(optgroupHtml);
+        }
         
         // Privileges Checks
         if (GlobalVariables.user.role_slug == Backend.DB_SLUG_PROVIDER) {
@@ -799,7 +804,7 @@ var BackendCalendar = {
      */
     getCalendarHeight: function () {
         var result = window.innerHeight - $('#footer').height() - $('#header').height() 
-                - $('#calendar-toolbar').height() - 80; // 80 for fine tuning
+                - $('#calendar-toolbar').height() - 50; // 80 for fine tuning
         return (result > 500) ? result : 500; // Minimum height is 500px
     },
            
@@ -881,6 +886,8 @@ var BackendCalendar = {
                                 var selDayName = $calendar.fullCalendar('getView')
                                         .start.toString('dddd').toLowerCase();
                                 
+                                if (workingPlan[selDayName] == null) return; // go to next loop
+                                
                                 // Add unavailable period before work starts.
                                 var calendarDateStart = $calendar.fullCalendar('getView').start;
                                 var workDateStart = Date.parseExact(
@@ -961,6 +968,7 @@ var BackendCalendar = {
                                 var currDateEnd = GeneralFunctions.clone(currDateStart).addDays(1);
                                 
                                 $.each(workingPlan, function(index, workingDay) {
+                                    if (workingDay == null) return; // Go to the next loop.
                                     var start, end; 
                                     
                                     // Add unavailable period before work starts.
@@ -1672,7 +1680,7 @@ var BackendCalendar = {
             // :: CHECK REQUIRED FIELDS
             var missingRequiredField = false;
             $dialog.find('.required').each(function() {
-                if ($(this).val() === '') {
+                if ($(this).val() == '' || $(this).val() == null) {
                     $(this).parents().eq(1).addClass('error');
                     missingRequiredField = true;
                 }
diff --git a/src/assets/js/backend_customers.js b/src/assets/js/backend_customers.js
index cf62813d..06686205 100644
--- a/src/assets/js/backend_customers.js
+++ b/src/assets/js/backend_customers.js
@@ -136,7 +136,7 @@ CustomersHelper.prototype.bindEventHandlers = function() {
         BackendCustomers.helper.resetForm();
         $('#add-edit-delete-group').hide();
         $('#save-cancel-group').show();
-        $('#details').find('input, textarea').prop('readonly', false);
+        $('.details').find('input, textarea').prop('readonly', false);
 
         $('#filter-customers button').prop('disabled', true);
         $('#filter-customers .results').css('color', '#AAA');
@@ -146,7 +146,7 @@ CustomersHelper.prototype.bindEventHandlers = function() {
      * Event: Edit Customer Button "Click"
      */
     $('#edit-customer').click(function() {
-        $('#details').find('input, textarea').prop('readonly', false);
+        $('.details').find('input, textarea').prop('readonly', false);
         $('#add-edit-delete-group').hide();
         $('#save-cancel-group').show();
 
@@ -296,8 +296,8 @@ CustomersHelper.prototype.validate = function(customer) {
  * Bring the customer form back to its initial state.
  */
 CustomersHelper.prototype.resetForm = function() {
-    $('#details').find('input, textarea').val(''); 
-    $('#details').find('input, textarea').prop('readonly', true); 
+    $('.details').find('input, textarea').val(''); 
+    $('.details').find('input, textarea').prop('readonly', true); 
     
     $('#customer-appointments').html('');
     $('#appointment-details').html('');
@@ -305,8 +305,8 @@ CustomersHelper.prototype.resetForm = function() {
     $('#add-edit-delete-group').show();
     $('#save-cancel-group').hide();
     
-    $('#details .required').css('border', '');
-    $('#details #form-message').hide();
+    $('.details .required').css('border', '');
+    $('.details #form-message').hide();
     
     $('#filter-customers button').prop('disabled', false);
     $('#filter-customers .selected-row').removeClass('selected-row');
diff --git a/src/assets/js/backend_services.js b/src/assets/js/backend_services.js
index 9eb61b62..9e5761d6 100644
--- a/src/assets/js/backend_services.js
+++ b/src/assets/js/backend_services.js
@@ -392,7 +392,7 @@ ServicesHelper.prototype.filter = function(key, selectId, display) {
         $('#filter-services .results').jScrollPane({ mouseWheelSpeed: 70 });
         
         if (response.length == 0) {
-            $('#filter-services .result').html('<em>No results found ...</em>');
+            $('#filter-services .results').html('<em>No results found ...</em>');
         }
         
         if (selectId != undefined) {
@@ -642,7 +642,7 @@ CategoriesHelper.prototype.save = function(category) {
         
         if (!GeneralFunctions.handleAjaxExceptions(response)) return;
         
-        Backend.displayNotification('Service saved successfully!');
+        Backend.displayNotification('Category saved successfully!');
         BackendServices.helper.resetForm();
         $('#filter-categories .key').val('');
         BackendServices.helper.filter('', response.id, true);
diff --git a/src/assets/js/backend_settings.js b/src/assets/js/backend_settings.js
index 8bc8d230..27faba88 100644
--- a/src/assets/js/backend_settings.js
+++ b/src/assets/js/backend_settings.js
@@ -96,6 +96,8 @@ var BackendSettings = {
             $('#user').find('button').prop('disabled', true);
         }
         
+        
+        Backend.placeFooterToBottom();
     },
             
     /**
@@ -137,6 +139,8 @@ var BackendSettings = {
                     $('#user-notifications').removeClass('active');   
                 }
             }
+            
+            Backend.placeFooterToBottom();
         });
         
         /**
diff --git a/src/assets/js/backend_users_providers.js b/src/assets/js/backend_users_providers.js
index ef4b3b3e..b88541d0 100644
--- a/src/assets/js/backend_users_providers.js
+++ b/src/assets/js/backend_users_providers.js
@@ -92,7 +92,7 @@ ProvidersHelper.prototype.bindEventHandlers = function() {
         $('#provider-password, #provider-password-confirm').removeClass('required');
         $('#provider-notifications').prop('disabled', false);
         $('#provider-services input[type="checkbox"]').prop('disabled', false);
-        $('#providers').find('.add-break, .edit-break, .delete-break').prop('disabled', false);
+        $('#providers').find('.add-break, .edit-break, .delete-break, #reset-working-plan').prop('disabled', false);
         $('#providers input[type="checkbox"]').prop('disabled', false);
         BackendUsers.wp.timepickers(false);
     });
@@ -184,7 +184,6 @@ ProvidersHelper.prototype.bindEventHandlers = function() {
         $('.working-plan-view').hide('fade', function() {
             $('.details-view').show('fade');
         });
-
     });
 
     /**
@@ -197,6 +196,15 @@ ProvidersHelper.prototype.bindEventHandlers = function() {
             $('.working-plan-view').show('fade');
         });
     });
+    
+    /**
+     * Event: Reset Working Plan Button "Click".
+     */
+    $('#reset-working-plan').click(function() {
+        $('.breaks').empty();
+        BackendUsers.wp.setup(GlobalVariables.workingPlan);
+        BackendUsers.wp.timepickers(false);
+    });
 };
 
 /**
@@ -312,9 +320,10 @@ ProvidersHelper.prototype.resetForm = function() {
     $('#provider-services input[type="checkbox"]').prop('disabled', true);
     $('#providers .required').css('border', '');
     $('#provider-password, #provider-password-confirm').css('border', '');
-    $('#providers .add-break').prop('disabled', true);
+    $('#providers .add-break, #reset-working-plan').prop('disabled', true);
     BackendUsers.wp.timepickers(true);
     $('#providers .working-plan input[type="text"]').timepicker('destroy');
+    $('#providers .working-plan input[type="checkbox"]').prop('disabled', true);
     $('.breaks').find('.edit-break, .delete-break').prop('disabled', true);
 
     $('#edit-provider, #delete-provider').prop('disabled', true);
diff --git a/src/assets/js/frontend_book.js b/src/assets/js/frontend_book.js
index 015c826d..e25e39fd 100644
--- a/src/assets/js/frontend_book.js
+++ b/src/assets/js/frontend_book.js
@@ -45,6 +45,7 @@ var FrontendBook = {
         
         $('#select-date').datepicker({
             dateFormat: 'dd-mm-yy',
+            firstDay: 1, // Monday
             minDate: 0,
             defaultDate: Date.today(),
             onSelect: function(dateText, instance) {
@@ -272,6 +273,8 @@ var FrontendBook = {
      * hours we need to receive.
      */
     getAvailableHours: function(selDate) {
+        $('#available-hours').empty();
+        
         // Find the selected service duration (it is going to 
         // be send within the "postData" object.
         var selServiceDuration = 15; // Default value of duration (in minutes).
diff --git a/src/assets/js/general_functions.js b/src/assets/js/general_functions.js
index 14f91457..2e4f27c8 100644
--- a/src/assets/js/general_functions.js
+++ b/src/assets/js/general_functions.js
@@ -65,6 +65,7 @@ var GeneralFunctions = {
         });
 
         jQuery("#message_box").dialog("open"); 
+        jQuery(".ui-dialog .ui-dialog-buttonset button").addClass('btn');
         jQuery("#message_box .ui-dialog-titlebar-close").hide();
     },
 
diff --git a/src/assets/js/working_plan.js b/src/assets/js/working_plan.js
index c29f2d58..ba8dff90 100644
--- a/src/assets/js/working_plan.js
+++ b/src/assets/js/working_plan.js
@@ -173,8 +173,8 @@ WorkingPlan.prototype.bindEventHandlers = function() {
 
         // Bind editable and event handlers.
         tr = $('.breaks tr').get()[1];
-        BackendSettings.editableBreakDay($(tr).find('.break-day'));
-        BackendSettings.editableBreakTime($(tr).find('.break-start, .break-end'));
+        WorkingPlan.prototype.editableBreakDay($(tr).find('.break-day'));
+        WorkingPlan.prototype.editableBreakTime($(tr).find('.break-start, .break-end'));
         $(tr).find('.edit-break').trigger('click');
     });
 
@@ -295,7 +295,7 @@ WorkingPlan.prototype.timepickers = function(disabled) {
     
     if (disabled == false) {
         // Set timepickers where needed.
-        $('.working-plan input').timepicker({
+        $('.working-plan input[type="text"]').timepicker({
             'timeFormat': 'HH:mm',
             'onSelect': function(datetime, inst) {
                 // Start time must be earlier than end time. 
@@ -310,4 +310,11 @@ WorkingPlan.prototype.timepickers = function(disabled) {
     } else {
         $('.working-plan input').timepicker('destroy');
     }
+};
+
+/**
+ * Reset the current plan back to the company's default working plan.
+ */
+WorkingPlan.prototype.reset = function() {
+    
 };
\ No newline at end of file