Add "block-content" to allow user comments on block level elements in quickstart docs.

2 files changed, 317 insertions, 290 deletions

diff --git a/demos/quickstart/protected/pages/Tutorial/AjaxChat.page b/demos/quickstart/protected/pages/Tutorial/AjaxChat.page
index 2d49c9f6..ec6fc149 100644
--- a/demos/quickstart/protected/pages/Tutorial/AjaxChat.page
+++ b/demos/quickstart/protected/pages/Tutorial/AjaxChat.page
@@ -1,67 +1,67 @@
 <com:TContent ID="body">
-	<h1>Building an AJAX Chat Application</h1>
-	<p>This tutorial introduces the Prado web application framework's 
+	<h1 id="18008">Building an AJAX Chat Application</h1>
+	<p id="90081" class="block-content">This tutorial introduces the Prado web application framework's
 	<a href="?page=Database.ActiveRecord">ActiveRecord</a>
-	and <a href="?page=ActiveControls.Home">Active Controls</a> to build a Chat 
-	web application. It is assumed that you 
+	and <a href="?page=ActiveControls.Home">Active Controls</a> to build a Chat
+	web application. It is assumed that you
 	are familiar with PHP and you have access to a web server that is able to serve PHP5 scripts.
 	This basic chat application will utilize the following ideas/components in Prado.
-	<ul>
+	</p>
+	<ul id="u1" class="block-content">
 		<li>Building a custom User Manager class.</li>
 		<li>Authenticating and adding a new user to the database.</li>
 		<li>Using ActiveRecord to interact with the database.</li>
 		<li>Using Active Controls and callbacks to implement the user interface.</li>
 		<li>Separating application logic and application flow.</li>
 	</ul>
-	</p> 
 
-	<p>In this tutorial you will build an AJAX Chat web application that allows
-		multiple users to communicate through their web browser. 
+	<p id="90082" class="block-content">In this tutorial you will build an AJAX Chat web application that allows
+		multiple users to communicate through their web browser.
 		The application consists of two pages: a login page
 		that asks the user to enter their nickname and the main application chat
 		page.
-		You can try the application <a href="../chat/index.php">locally</a> or at  
+		You can try the application <a href="../chat/index.php">locally</a> or at
 		<a href="http://www.pradosoft.com/demos/chat/">Pradosoft.com</a>.
-		The main application chat page is shown bellow. 
+		The main application chat page is shown bellow.
 		<img src=<%~ chat1.png %> class="figure" />
 	</p>
 
-	<h1>Download, Install and Create a New Application</h1>
-	<p>The download and installation steps are similar to those in 
+	<h1 id="18009">Download, Install and Create a New Application</h1>
+	<p id="90083" class="block-content">The download and installation steps are similar to those in
 	the <a href="?page=Tutorial.CurrencyConverter#download">Currency converter tutorial</a>.
 	To create the application, we run from the command line the following.
-	See the <a href="?page=GettingStarted.CommandLine">Command Line Tool</a> 
+	See the <a href="?page=GettingStarted.CommandLine">Command Line Tool</a>
 		for more details.
-<com:TTextHighlighter Language="text" CssClass="source">
+<com:TTextHighlighter Language="text" CssClass="source block-content" id="code_90027">
 php prado/framework/prado-cli.php -c chat
-</com:TTextHighlighter> 
+</com:TTextHighlighter>
 	</p>
 
-	<p>The above command creates the necessary directory structure and minimal 
+	<p id="90084" class="block-content">The above command creates the necessary directory structure and minimal
 		files (including "index.php" and "Home.page") to run a Prado  web application.
 		Now you can point your browser's URL to the web server to serve up
 		the <tt>index.php</tt> script in the <tt>chat</tt> directory.
-		You should see the message "Welcome to Prado!" 
+		You should see the message "Welcome to Prado!"
 	</p>
 
-	<h1>Authentication and Authorization</h1>
-	<p>The first task for this application is to ensure that each user
-	of the chat application is assigned with a unique (chosen by the user) 
+	<h1 id="18010">Authentication and Authorization</h1>
+	<p id="90085" class="block-content">The first task for this application is to ensure that each user
+	of the chat application is assigned with a unique (chosen by the user)
 	username. To achieve this, we can secure the main chat application
 	page to deny access to anonymous users. First, let us create the <tt>Login</tt>
 	page with the following code. We save the <tt>Login.php</tt> and <tt>Login.page</tt>
 	in the <tt>chat/protected/pages/</tt> directory (there should be a <tt>Home.page</tt>
 	file created by the command line tool).
 	</p>
-<com:TTextHighlighter Language="php" CssClass="source">
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code_90028">
 &lt;?php
 class Login extends TPage
 {
 }
 ?&gt;
 </com:TTextHighlighter>
-<com:TTextHighlighter Language="prado" CssClass="source">
-<!doctype html public "-//W3C//DTD XHTML 1.0 Strict//EN" 
+<com:TTextHighlighter Language="prado" CssClass="source block-content" id="code_90029">
+<!doctype html public "-//W3C//DTD XHTML 1.0 Strict//EN"
     "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
 <head>
@@ -87,7 +87,7 @@ class Login extends TPage
 </body>
 </html>
 </com:TTextHighlighter>
-	<p>The login page contains 
+	<p id="90086" class="block-content">The login page contains
 	a <com:DocLink ClassPath="System.Web.UI.TForm" Text="TForm" />,
 	a <com:DocLink ClassPath="System.Web.UI.WebControls.TTextBox" Text="TTextBox" />,
 	a <com:DocLink ClassPath="System.Web.UI.WebControls.TRequiredFieldValidator" Text="TRequiredFieldValidator" />
@@ -99,12 +99,12 @@ class Login extends TPage
 	due to the <com:DocLink ClassPath="System.Web.UI.WebControls.TRequiredFieldValidator" Text="TRequiredFieldValidator" />
 	requiring the user to enter some text in the textbox before proceeding.
 	</p>
-<h2>Securing the <tt>Home</tt> page</h2>
-<p>Now we wish that if the user is trying to access the main application
+<h2 id="18019">Securing the <tt>Home</tt> page</h2>
+<p id="90087" class="block-content">Now we wish that if the user is trying to access the main application
 page, <tt>Home.page</tt>, before they have logged in, the user is presented with
 the <tt>Login.page</tt> first. We add a <tt>chat/protected/application.xml</tt> configuration
 file to import some classes that we shall use later.
-<com:TTextHighlighter Language="xml" CssClass="source">
+<com:TTextHighlighter Language="xml" CssClass="source block-content" id="code_90030">
 <?xml version="1.0" encoding="utf-8"?>
 <application id="Chat" Mode="Debug">
   <paths>
@@ -117,7 +117,7 @@ file to import some classes that we shall use later.
 </com:TTextHighlighter>
 Next, we add a <tt>chat/protected/pages/config.xml</tt> configuration file to
 secure the <tt>pages</tt> directory.
-<com:TTextHighlighter Language="xml" CssClass="source">
+<com:TTextHighlighter Language="xml" CssClass="source block-content" id="code_90031">
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
   <modules>
@@ -131,41 +131,41 @@ secure the <tt>pages</tt> directory.
   </authorization>
 </configuration>
 </com:TTextHighlighter>
-We setup the authentication using the default classes as explained in the 
+We setup the authentication using the default classes as explained in the
 <a href="?page=Advanced.Auth">authentication/authorization quickstart</a>.
-In the authorization definition, we allow anonymous users to access the 
+In the authorization definition, we allow anonymous users to access the
 <tt>Login</tt> page (anonymous users is specified by the <tt>?</tt> question mark).
-We allow any users with role equal to "normal" (to be defined later) 
+We allow any users with role equal to "normal" (to be defined later)
 to access all the pages, that is, the <tt>Login</tt> and <tt>Home</tt> pages.
 Lastly, we deny all users without any roles to access any page. The authorization
 rules are executed on first match basis.
 </p>
 
-<p>If you now try to access the <tt>Home</tt> page by pointing your browser
+<p id="90088" class="block-content">If you now try to access the <tt>Home</tt> page by pointing your browser
 to the <tt>index.php</tt> you will be redirected to the <tt>Login</tt> page.
 </p>
 
-<h1>Active Record for <tt>chat_users</tt> table</h1>
-<p>The <com:DocLink ClassPath="System.Secutity.TUserManager" Text="TUserManager" />
+<h1 id="18011">Active Record for <tt>chat_users</tt> table</h1>
+<p id="90089" class="block-content">The <com:DocLink ClassPath="System.Secutity.TUserManager" Text="TUserManager" />
 class only provides a read-only list of users. We need to be able to add or
 login new users dynamically. So we need to create our own user manager class.
-First, we shall setup a database with a <tt>chat_users</tt> table and create an ActiveRecord 
+First, we shall setup a database with a <tt>chat_users</tt> table and create an ActiveRecord
 that can work with the <tt>chat_users</tt> table with ease. For the demo, we
 use <tt>sqlite</tt> as our database for ease of distributing the demo. The demo
 can be extended to use other databases such as MySQL or Postgres SQL easily.
 We define the <tt>chat_users</tt> table as follows.
-<com:TTextHighlighter Language="text" CssClass="source">
-CREATE TABLE chat_users 
-( 
-	username VARCHAR(20) NOT NULL PRIMARY KEY, 
-	last_activity INTEGER NOT NULL DEFAULT "0" 
+<com:TTextHighlighter Language="text" CssClass="source block-content" id="code_90032">
+CREATE TABLE chat_users
+(
+	username VARCHAR(20) NOT NULL PRIMARY KEY,
+	last_activity INTEGER NOT NULL DEFAULT "0"
 );
 </com:TTextHighlighter>
 Next we define the corresponding <tt>ChatUserRecord</tt> class and save it as
 <tt>chat/protected/App_Code/ChatUserRecord.php</tt> (you need to create the
 <tt>App_Code</tt> directory as well). We also save the sqlite database file
 as <tt>App_Code/chat.db</tt>.
-<com:TTextHighlighter Language="php" CssClass="source">
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code_90033">
 class ChatUserRecord extends TActiveRecord
 {
     public $username;
@@ -181,9 +181,9 @@ class ChatUserRecord extends TActiveRecord
 </com:TTextHighlighter>
 Before using the <tt>ChatUserRecord</tt> class we to configure a default
 database connection for ActiveRecord to function. In the <tt>chat/protected/application.xml</tt>
-we import classes from the <tt>App_Code</tt> directory and add an 
+we import classes from the <tt>App_Code</tt> directory and add an
 <a href="?page=Database.ActiveRecord">ActiveRecord configuration module</a>.
-<com:TTextHighlighter Language="xml" CssClass="source">
+<com:TTextHighlighter Language="xml" CssClass="source block-content" id="code_90034">
 <?xml version="1.0" encoding="utf-8"?>
 <application id="Chat" Mode="Debug">
   <paths>
@@ -201,14 +201,14 @@ we import classes from the <tt>App_Code</tt> directory and add an
 </com:TTextHighlighter>
 </p>
 
-<h2>Custom User Manager class</h2>
-<p>To implement a custom user manager module class we just need
+<h2 id="18020">Custom User Manager class</h2>
+<p id="90090" class="block-content">To implement a custom user manager module class we just need
 to extends the <tt>TModule</tt> class and implement the <tt>IUserManager</tt>
 interface. The <tt>getGuestName()</tt>, <tt>getUser()</tt> and <tt>validateUser()</tt>
 methods are required by the <tt>IUserManager</tt> interface.
 We save the custom user manager class as <tt>App_Code/ChatUserManager.php</tt>.
-</p> 
-<com:TTextHighlighter Language="php" CssClass="source">
+</p>
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code_90035">
 class ChatUserManager extends TModule implements IUserManager
 {
     public function getGuestName()
@@ -219,7 +219,7 @@ class ChatUserManager extends TModule implements IUserManager
     public function getUser($username=null)
     {
         $user=new TUser($this);
-        $user->setIsGuest(true);        
+        $user->setIsGuest(true);
         if($username !== null && $this->usernameExists($username))
         {
             $user->setIsGuest(false);
@@ -228,7 +228,7 @@ class ChatUserManager extends TModule implements IUserManager
         }
         return $user;
     }
-    
+
     public function addNewUser($username)
     {
         $user = new ChatUserRecord();
@@ -249,7 +249,7 @@ class ChatUserManager extends TModule implements IUserManager
     }
 }
 </com:TTextHighlighter>
-<p>
+<p id="90091" class="block-content">
 The <tt>getGuestName()</tt>
 method simply returns the name for a guest user and is not used in our application.
 The <tt>getUser()</tt> method returns a <tt>TUser</tt> object if the username
@@ -257,25 +257,25 @@ exists in the database, the <tt>TUser</tt> object is set with role of "normal"
 that corresponds to the <tt>&lt;authorization&gt;</tt> rules defined in our
 <tt>config.xml</tt> file. </p>
 
-<p>The <tt>addNewUser()</tt> and <tt>usernameExists()</tt>
-method uses the ActiveRecord corresponding to the <tt>chat_users</tt> table to 
+<p id="90092" class="block-content">The <tt>addNewUser()</tt> and <tt>usernameExists()</tt>
+method uses the ActiveRecord corresponding to the <tt>chat_users</tt> table to
 add a new user and to check if a username already exists, respectively.
 </p>
 
-<p>The next thing to do is change the <tt>config.xml</tt> configuration to use
+<p id="90093" class="block-content">The next thing to do is change the <tt>config.xml</tt> configuration to use
 our new custom user manager class. We simply change the <tt>&lt;module&gt;</tt>
 configuration with <tt>id="users"</tt>.</p>
-<com:TTextHighlighter Language="xml" CssClass="source">
+<com:TTextHighlighter Language="xml" CssClass="source block-content" id="code_90036">
 <module id="users" class="ChatUserManager" />
 </com:TTextHighlighter>
 
-<h1>Authentication</h1>
-<p>To perform authentication, we just want the user to enter a unique
-username. We add a 
+<h1 id="18012">Authentication</h1>
+<p id="90094" class="block-content">To perform authentication, we just want the user to enter a unique
+username. We add a
 <com:DocLink ClassPath="System.Web.UI.WebControls.TCustomValidator" Text="TCustomValidator" />
 for validate the uniqueness of the username and add an <tt>OnClick</tt> event handler
 for the login button.</p>
-<com:TTextHighlighter Language="prado" CssClass="source">
+<com:TTextHighlighter Language="prado" CssClass="source block-content" id="code_90037">
 &lt;com:TCustomValidator
     ControlToValidate="username"
     Display="Dynamic"
@@ -287,7 +287,7 @@ for the login button.</p>
 &lt;com:TButton Text="Login" OnClick="createNewUser" /&gt;
 </com:TTextHighlighter>
 In the <tt>Login.php</tt> file, we add the following 2 methods.
-<com:TTextHighlighter Language="php" CssClass="source">
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code_90038">
 function checkUsername($sender, $param)
 {
     $manager = $this->Application->Modules['users'];
@@ -301,7 +301,7 @@ function createNewUser($sender, $param)
     {
         $manager = $this->Application->Modules['users'];
         $manager->addNewUser($this->username->Text);
-        
+
         //do manual login
         $user = $manager->getUser($this->username->Text);
         $auth = $this->Application->Modules['auth'];
@@ -314,15 +314,15 @@ function createNewUser($sender, $param)
 }
 </com:TTextHighlighter>
 The <tt>checkUserName()</tt> method uses the <tt>ChatUserManager</tt> class
-(recall that in the <tt>config.xml</tt> configuration we set the 
+(recall that in the <tt>config.xml</tt> configuration we set the
 ID of the custom user manager class as "users") to validate the username
 is not taken.
 </p>
-<p>
-In the <tt>createNewUser</tt> method, when the validation passes (that is, 
+<p id="90095" class="block-content">
+In the <tt>createNewUser</tt> method, when the validation passes (that is,
 when the user name is not taken) we add a new user. Afterward we perform
-a manual login process: 
-<ul>
+a manual login process:</p>
+<ul id="u2" class="block-content">
 	<li>First we obtain a <tt>TUser</tt> instance from
 our custom user manager class using the <tt>$manager->getUser(...)</tt> method.</li>
 	<li>Using the <tt>TAuthManager</tt> we set/update the user object in the
@@ -330,20 +330,22 @@ our custom user manager class using the <tt>$manager->getUser(...)</tt> method.<
 	<li>Then we set/update the <tt>Application</tt>'s user instance with our
 	new user object.</li>
 </ul>
+</p>
+<p id="finally" class="block-content">
 Finally, we redirect the client to the default <tt>Home</tt> page.
 </p>
 
-<h2>Default Values for ActiveRecord</h2>
-<p>If you try to perform a login now, you will receive an error message like
-"<i>Property '<tt>ChatUserRecord::$last_activity</tt>' must not be null as defined 
+<h2 id="18021">Default Values for ActiveRecord</h2>
+<p id="90096" class="block-content">If you try to perform a login now, you will receive an error message like
+"<i>Property '<tt>ChatUserRecord::$last_activity</tt>' must not be null as defined
 by column '<tt>last_activity</tt>' in table '<tt>chat_users</tt>'.</i>". This means that the <tt>$last_activity</tt>
 property value was null when we tried to insert a new record. We need to either
 define a default value in the corresponding column in the table and allow null values or set the default
-value in the <tt>ChatUserRecord</tt> class. We shall demonstrate the later by 
+value in the <tt>ChatUserRecord</tt> class. We shall demonstrate the later by
 altering the <tt>ChatUserRecord</tt> with the addition of a set getter/setter
 methods for the <tt>last_activity</tt> property.
 
-<com:TTextHighlighter Language="php" CssClass="source">
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code_90039">
 private $_last_activity;
 
 public function getLast_Activity()
@@ -362,13 +364,13 @@ Notice that we renamed <tt>$last_activity</tt> to <tt>$_last_activity</tt> (note
 the underscore after the dollar sign).
 </p>
 
-<h1>Main Chat Application</h1>
-<p>Now we are ready to build the main chat application. We use a simple
+<h1 id="18013">Main Chat Application</h1>
+<p id="90097" class="block-content">Now we are ready to build the main chat application. We use a simple
 layout that consist of one panel holding the chat messages, one panel
 to hold the users list, a textarea for the user to enter the text message
 and a button to send the message.
-<com:TTextHighlighter Language="prado" CssClass="source">
-<!doctype html public "-//W3C//DTD XHTML 1.0 Strict//EN" 
+<com:TTextHighlighter Language="prado" CssClass="source block-content" id="code_90040">
+<!doctype html public "-//W3C//DTD XHTML 1.0 Strict//EN"
     "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
 <head>
@@ -378,7 +380,7 @@ and a button to send the message.
 {
     width: 500px;
     height: 300px;
-    float: left;    
+    float: left;
     border: 1px solid ButtonFace;
     overflow: auto;
 }
@@ -400,7 +402,7 @@ and a button to send the message.
 .message-input textarea
 {
     margin-top: 3px;
-    padding: 0.4em 0.2em;           
+    padding: 0.4em 0.2em;
     width: 493px;
     font-family: Verdana, Geneva, Arial, Helvetica, sans-serif;
     font-size: 0.85em;
@@ -414,7 +416,7 @@ and a button to send the message.
 </head>
 <body>
 &lt;com:TForm&gt;
-<h1>Prado Chat Demo</h1>
+<h1 id="18014">Prado Chat Demo</h1>
 <div id="messages" class="messages">
     &lt;com:TPlaceHolder ID="messageList" /&gt;
 </div>
@@ -422,9 +424,9 @@ and a button to send the message.
     &lt;com:TPlaceHolder ID="userList" /&gt;
 </div>
 <div class="message-input">
-    &lt;com:TActiveTextBox ID="userinput" 
+    &lt;com:TActiveTextBox ID="userinput"
         Columns="40" Rows="2" TextMode="MultiLine" /&gt;
-    &lt;com:TActiveButton ID="sendButton" CssClass="send-button" 
+    &lt;com:TActiveButton ID="sendButton" CssClass="send-button"
         Text="Send" /&gt;
 </div>
 &lt;/com:TForm&gt;
@@ -436,23 +438,23 @@ We added two Active Control components: a
 <com:DocLink ClassPath="System.Web.UI.ActiveControls.TActiveTextBox" Text="TActiveTextBox" />
 and a
 <com:DocLink ClassPath="System.Web.UI.ActiveControls.TActiveButton" Text="TActiveButton" />.
-We also added a 
+We also added a
 <com:DocLink ClassPath="System.Web.UI.WebControls.TJavascriptLogger" Text="TJavascriptLogger" />
 that will be very useful for understanding how the Active Controls work.
 </p>
 
-<h2>Exploring the Active Controls</h2>
-<p>We should have some fun before we proceeding with setting up the chat buffering. We want
+<h2 id="18022">Exploring the Active Controls</h2>
+<p id="90098" class="block-content">We should have some fun before we proceeding with setting up the chat buffering. We want
 to see how we can update the current page when we receive a message. First, we add
 an <tt>OnClick</tt> event handler for the <tt>Send</tt> button.
 
-<com:TTextHighlighter Language="prado" CssClass="source">
-&lt;com:TActiveButton ID="sendButton" CssClass="send-button" 
+<com:TTextHighlighter Language="prado" CssClass="source block-content" id="code_90041">
+&lt;com:TActiveButton ID="sendButton" CssClass="send-button"
 	Text="Send" OnClick="processMessage"/&gt;
 </com:TTextHighlighter>
 And the corresponding event handler method in the <tt>Home.php</tt> class (we
 need to create this new file too).
-<com:TTextHighlighter Language="php" CssClass="source">
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code_90042">
 class Home extends TPage
 {
     function processMessage($sender, $param)
@@ -465,12 +467,12 @@ If you now type something in the main application textbox and click the send but
 you should see whatever you have typed echoed in the <tt>TJavascriptLogger</tt> console.
 </p>
 
-<p>To append or add some content to the message list panel, we need to use
-some methods in the 
+<p id="90099" class="block-content">To append or add some content to the message list panel, we need to use
+some methods in the
 <com:DocLink ClassPath="System.Web.UI.ActiveControls.TCallbackClientScript" Text="TCallbackClientScript" />
 class which is available through the <tt>CallbackClient</tt> property of the
 current <tt>TPage</tt> object. For example, we do can do
-<com:TTextHighlighter Language="php" CssClass="source">
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code_90043">
 function processMessage($sender, $param)
 {
     $this->CallbackClient->appendContent("messages", $this->userinput->Text);
@@ -480,24 +482,24 @@ This is one way to update some part of the existing page during a callback (AJAX
 and will be the primary way we will use to implement the chat application.
 </p>
 
-<h1>Active Record for <tt>chat_buffer</tt> table</h1>
-<p>To send a message to all the connected users we need to buffer or store
+<h1 id="18015">Active Record for <tt>chat_buffer</tt> table</h1>
+<p id="90100" class="block-content">To send a message to all the connected users we need to buffer or store
 the message for each user. We can use the database to buffer the messages. The
 <tt>chat_buffer</tt> table is defined as follows.
-<com:TTextHighlighter Language="text" CssClass="source">
-CREATE TABLE chat_buffer 
-( 
-	id INTEGER PRIMARY KEY, 
-	for_user VARCHAR(20) NOT NULL, 
-	from_user VARCHAR(20) NOT NULL, 
-	message TEXT NOT NULL, 
-	created_on INTEGER NOT NULL DEFAULT "0" 
+<com:TTextHighlighter Language="text" CssClass="source block-content" id="code_90044">
+CREATE TABLE chat_buffer
+(
+	id INTEGER PRIMARY KEY,
+	for_user VARCHAR(20) NOT NULL,
+	from_user VARCHAR(20) NOT NULL,
+	message TEXT NOT NULL,
+	created_on INTEGER NOT NULL DEFAULT "0"
 );
 </com:TTextHighlighter>
 The corresponding <tt>ChatBufferRecord</tt> class is saved as
 <tt>App_Code/ChatBufferRecord.php</tt>.
 
-<com:TTextHighlighter Language="php" CssClass="source">
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code_90045">
 class ChatBufferRecord extends TActiveRecord
 {
     public $id;
@@ -528,12 +530,12 @@ class ChatBufferRecord extends TActiveRecord
 </com:TTextHighlighter>
 </p>
 
-<h1>Chat Application Logic</h1>
-<p>We finally arrive at the guts of the chat application logic. First, we
+<h1 id="18016">Chat Application Logic</h1>
+<p id="90101" class="block-content">We finally arrive at the guts of the chat application logic. First, we
 need to save a received message into the chat buffer for <b>all</b> the
 current users. We add this logic in the <tt>ChatBufferRecord</tt> class.
 
-<com:TTextHighlighter Language="php" CssClass="source">
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code_90046">
 public function saveMessage()
 {
     foreach(ChatUserRecord::finder()->findAll() as $user)
@@ -557,19 +559,20 @@ we update the message sender's last activity timestamp. The above piece of code
 demonstrates the simplicity and succinctness of using ActiveRecords for simple database designs.
 </p>
 
-<p>The next piece of the logic is to retrieve the users' messages from the buffer.
+<p id="90102" class="block-content">The next piece of the logic is to retrieve the users' messages from the buffer.
 We simply load all the messages for a particular username and format that message
 appropriately (remember to escape the output to prevent Cross-Site Scripting attacks).
 After we load the messages, we delete those loaded messages and any older
-messages that may have been left in the buffer. 
+messages that may have been left in the buffer.
 </p>
-<com:TTextHighlighter Language="php" CssClass="source">
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code_90047">
 public function getUserMessages($user)
 {
     $content = '';
     foreach($this->findAll('for_user = ?', $user) as $message)
         $content .= $this->formatMessage($message);
-    $this->deleteAll('for_user = ? OR created_on < ?', $user, time() - 300); //5 min inactivity
+    $this->deleteAll('for_user = ? OR created_on < ?',

+                          $user, time() - 300); //5 min inactivity
     return $content;
 }
 
@@ -577,14 +580,15 @@ protected function formatMessage($message)
 {
     $user = htmlspecialchars($message->from_user);
     $content = htmlspecialchars($message->message);
-    return "<div class=\"message\"><strong>{$user}:</strong> <span>{$content}</span></div>";
+    return "<div class=\"message\"><strong>{$user}:</strong>"

+                  ." <span>{$content}</span></div>";
 }
 </com:TTextHighlighter>
 
 To retrieve a list of current users (formatted), we add this logic to the
 <tt>ChatUserRecord</tt> class. We delete any users that may have been inactive
 for awhile.
-<com:TTextHighlighter Language="php" CssClass="source">
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code_90048">
 public function getUserList()
 {
     $this->deleteAll('last_activity < ?', time()-300); //5 min inactivity
@@ -604,11 +608,11 @@ a TRepeater in the template or a custom component).
 </div>
 </p>
 
-<h1>Putting It Together</h1>
-<p>Now comes to put the application flow together. In the <tt>Home.php</tt> we update
+<h1 id="18017">Putting It Together</h1>
+<p id="90103" class="block-content">Now comes to put the application flow together. In the <tt>Home.php</tt> we update
 the <tt>Send</tt> buttons <tt>OnClick</tt> event handler to use the application
 logic we just implemented.
-<com:TTextHighlighter Language="php" CssClass="source">
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code_90049">
 function processMessage($sender, $param)
 {
     if(strlen($this->userinput->Text) > 0)
@@ -617,7 +621,7 @@ function processMessage($sender, $param)
         $record->message = $this->userinput->Text;
         $record->from_user = $this->Application->User->Name;
         $record->saveMessage();
-        
+
         $this->userinput->Text = '';
         $messages = $record->getUserMessages($this->Application->User->Name);
         $this->CallbackClient->appendContent("messages", $messages);
@@ -630,17 +634,17 @@ for the current user and update the client side message list using a callback
 response (AJAX style).
 </p>
 
-<p>At this point the application is actually already functional, just not very
+<p id="90104" class="block-content">At this point the application is actually already functional, just not very
 user friendly. If you open two different browsers, you should be able to communicate
 between the two users whenever the <tt>Send</tt> button is clicked.
 </p>
 
-<p>The next part is perhaps the more tricker and fiddly than the other tasks. We
+<p id="90105" class="block-content">The next part is perhaps the more tricker and fiddly than the other tasks. We
 need to improve the user experience. First, we want a list of current users
 as well. So we add the following method to <tt>Home.php</tt>, we can call
 this method when ever some callback event is raised, e.g. when the <tt>Send</tt>
 button is clicked.
-<com:TTextHighlighter Language="php" CssClass="source">
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code_90050">
 protected function refreshUserList()
 {
     $lastUpdate = $this->getViewState('userList','');
@@ -654,13 +658,13 @@ protected function refreshUserList()
 </com:TTextHighlighter>
 </p>
 
-<p>Actually, we want to periodically update the messages and user list as new
+<p id="90106" class="block-content">Actually, we want to periodically update the messages and user list as new
 users join in and new message may arrive from other users. So we need to refresh
 the message list as well.</p>
-<com:TTextHighlighter Language="php" CssClass="source">
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code_90051">
 function processMessage($sender, $param)
 {
-    ...     
+    ...
     $this->refreshUserList();
     $this->refreshMessageList();
     ...
@@ -681,14 +685,14 @@ protected function refreshMessageList()
 }
 </com:TTextHighlighter>
 The anchor using <tt>time()</tt> as ID for a focus point is so that when the
-message list on the client side gets very long, the focus method will 
+message list on the client side gets very long, the focus method will
 scroll the message list to the latest message (well, it works in most browsers).
 </p>
 
-<p>Next, we need to redirect the user back to the login page if the user has
+<p id="90107" class="block-content">Next, we need to redirect the user back to the login page if the user has
 been inactive for some time, say about 5 mins, we can add this check to any stage
 of the page life-cycle. Lets add it to the <tt>onLoad()</tt> stage.
-<com:TTextHighlighter Language="php" CssClass="source">
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code_90052">
 public function onLoad($param)
 {
     $username = $this->Application->User->Name;
@@ -704,18 +708,18 @@ public function onLoad($param)
 </com:TTextHighlighter>
 </p>
 
-<h1>Improving User Experience</h1>
-<p>The last few details are to periodically check for new messages and
+<h1 id="18018">Improving User Experience</h1>
+<p id="90108" class="block-content">The last few details are to periodically check for new messages and
 refresh the user list. We can accomplish this by polling the server using a
 <com:DocLink ClassPath="System.Web.UI.ActiveControls.TTimeTriggeredCallback" Text="TTimeTriggeredCallback" />
 control. We add a <tt>TTimeTriggeredCallback</tt> to the <tt>Home.page</tt>
 and call the <tt>refresh</tt> handler method defined in <tt>Home.php</tt>.
 We set the polling interval to 2 seconds.
-<com:TTextHighlighter Language="prado" CssClass="source">
-&lt;com:TTimeTriggeredCallback OnCallback="refresh" 
+<com:TTextHighlighter Language="prado" CssClass="source block-content" id="code_90053">
+&lt;com:TTimeTriggeredCallback OnCallback="refresh"
 	Interval="2" StartTimerOnLoad="true" /&gt;
 </com:TTextHighlighter>
-<com:TTextHighlighter Language="php" CssClass="source">
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code_90054">
 function refresh($sender, $param)
 {
     $this->refreshUserList();
@@ -724,12 +728,12 @@ function refresh($sender, $param)
 </com:TTextHighlighter>
 </p>
 
-<p>The final piece requires us to use some javascript. We want that when the
+<p id="90109" class="block-content">The final piece requires us to use some javascript. We want that when the
 user type some text in the textarea and press the <tt>Enter</tt> key, we want it
 to send the message without clicking on the <tt>Send</tt> button. We add to the
 <tt>Home.page</tt> some javascript.
 
-<com:TTextHighlighter Language="javascript" CssClass="source">
+<com:TTextHighlighter Language="javascript" CssClass="source block-content" id="code_90055">
 &lt;com:TClientScript&gt;
 Event.observe($("&lt;%= $this->userinput->ClientID %&gt;"), "keypress", function(ev)
 {
@@ -742,11 +746,11 @@ Event.observe($("&lt;%= $this->userinput->ClientID %&gt;"), "keypress", function
 });
 &lt;/com:TClientScript&gt;
 </com:TTextHighlighter>
-Details regarding the javascript can be explored in the 
+Details regarding the javascript can be explored in the
 <a href="?page=Advanced.Scripts">Introduction to Javascript</a> section of the quickstart.
 </p>
 
-<p>This completes the tutorial on making a basic chat web application using
+<p id="90110" class="block-content">This completes the tutorial on making a basic chat web application using
 the Prado framework. Hope you have enjoyed it.
 </p>
 
diff --git a/demos/quickstart/protected/pages/Tutorial/CurrencyConverter.page b/demos/quickstart/protected/pages/Tutorial/CurrencyConverter.page
index c11c1b94..43666560 100644
--- a/demos/quickstart/protected/pages/Tutorial/CurrencyConverter.page
+++ b/demos/quickstart/protected/pages/Tutorial/CurrencyConverter.page
@@ -1,59 +1,60 @@
 <com:TContent ID="body">
-	<h1>Building a Simple Currency Converter</h1>
-	<p>This tutorial introduces the Prado web application framework and teaches
+	<h1 id="16001">Building a Simple Currency Converter</h1>
+	<p id="80053" class="block-content">This tutorial introduces the Prado web application framework and teaches
 		you how to build a simple web application in a few simple steps. This
 		tutorial assumes that you are familiar with PHP and you have access
 		to a web server that is able to serve PHP5 scripts.
-	</p> 
-	
-	<p>In this tutorial you will build a simple web application that converts
-		a dollar amount to an other currency, given the rate of that currency 
+	</p>
+
+	<p id="80054" class="block-content">In this tutorial you will build a simple web application that converts
+		a dollar amount to an other currency, given the rate of that currency
 		relative to the dollar. The completed application is shown bellow.
 		<img src=<%~ example2.png %> class="figure" />
-		You can try the application <a href="../currency-converter/index.php">locally</a> or at  
+		You can try the application <a href="../currency-converter/index.php">locally</a> or at
 		<a href="http://www.pradosoft.com/demos/currency-converter/">Pradosoft.com</a>.
 		Notice that the application still functions exactly the same if javascript
 		is not available on the user's browser.
 	</p>
-	
+
 	<h1 id="download">Downloading and Installing Prado</h1>
-	<p>To install Prado, simply download the latest version of Prado from
+	<p id="80055" class="block-content">To install Prado, simply download the latest version of Prado from
 		<a href="http://www.pradosoft.com/">http://www.pradosoft.com</a>
-		and unzip the file to a directory <b>not</b> accessible by your web server 
+		and unzip the file to a directory <b>not</b> accessible by your web server
 		(you may unzip it to a directory accessible by the web server if you wish
-		to see the demos and test). For further detailed installation, see the 
+		to see the demos and test). For further detailed installation, see the
 		<a href="?page=GettingStarted.Installation">Quickstart Installation</a> guide.
 	</p>
-	
-	<h1>Creating a new Prado web Application</h1>
-	<p>The quickest and simplest way to create a new Prado web application is
+
+	<h1 id="16002">Creating a new Prado web Application</h1>
+	<p id="80056" class="block-content">The quickest and simplest way to create a new Prado web application is
 		to use the command tool <tt>prado-cli.php</tt> found in the <tt>framework</tt>
-		directory of the Prado distribution.  We create a new application by running 
+		directory of the Prado distribution.  We create a new application by running
 		the  following command in your
-		command prompt or console. The command creates a new directory named 
-		<tt>currency-converter</tt> in your current working directory.		
+		command prompt or console. The command creates a new directory named
+		<tt>currency-converter</tt> in your current working directory.
 		You may need to change to the appropriate directory
 		first.
-<com:TTextHighlighter Language="text" CssClass="source">
+		See the <a href="?page=GettingStarted.CommandLine">Command Line Tool</a>

+		for more details.

+	</p>

+<com:TTextHighlighter Language="text" CssClass="source block-content" id="code111">
 php prado/framework/prado-cli.php -c currency-converter
-</com:TTextHighlighter> 
-		See the <a href="?page=GettingStarted.CommandLine">Command Line Tool</a> 
-		for more details.
-	</p>
-	
-	<p>The above command creates the necessary directory structure and minimal 
+</com:TTextHighlighter>
+
+	<p id="80057" class="block-content">The above command creates the necessary directory structure and minimal
 		files (including "index.php" and "Home.page") to run a Prado  web application.
 		Now you can point your browser's url to the web server to serve up
 		the <tt>index.php</tt> script in the <tt>currency-converter</tt> directory.
-		You should see the message "Welcome to Prado!" 
+		You should see the message "Welcome to Prado!"
 	</p>
-	
-	<h1>Creating the Currency Converter User Interface</h1>
-	<p>We start by editing the <tt>Home.page</tt> file found in the 
+
+	<h1 id="16003">Creating the Currency Converter User Interface</h1>
+	<p id="80058" class="block-content">We start by editing the <tt>Home.page</tt> file found in the
 		<tt>currency-converter/protected/pages/</tt> directory. Files ending
-		with ".page" are page templates that contains HTML and Prado controls. 
-		We simply add two textboxes, three labels and one button as follows.
-<com:TTextHighlighter Language="prado" CssClass="source">
+		with ".page" are page templates that contains HTML and Prado controls.
+		We simply add two textboxes, three labels and one button as follows.

+	</p>
+<com:TTextHighlighter Language="prado" CssClass="source block-content" id="form1">
 &lt;com:TForm&gt;
     <fieldset>
         <legend>Currency Converter</legend>
@@ -74,87 +75,93 @@ php prado/framework/prado-cli.php -c currency-converter
         </div>
     </fieldset>
 &lt;/com:TForm&gt;
-</com:TTextHighlighter>
+</com:TTextHighlighter>

+	<p id="refresh" class="block-content">
 	If you refresh the page, you should see something similar to the following figure.
 	It may not look very pretty or orderly, but we shall change that later using CSS.
 	<img src=<%~ example1.png %> class="figure" />
 	</p>
-	
-	<p>
-		The first component we add is a 
+
+	<p id="80059" class="block-content">
+		The first component we add is a
 		<com:DocLink ClassPath="System.Web.UI.TForm" Text="TForm" />
 		that basically corresponds to the HTML <tt>&lt;form&gt;</tt> element.
-		In Prado, only <b>one</b> <tt>TForm</tt> element is allowed per page. 
-	</p>	
-	
-	<p>The next two pair of component we add is the 
+		In Prado, only <b>one</b> <tt>TForm</tt> element is allowed per page.
+	</p>
+
+	<p id="80060" class="block-content">The next two pair of component we add is the
 		<com:DocLink ClassPath="System.Web.UI.WebControls.TLabel" Text="TLabel" />
-		and 
+		and
 		<com:DocLink ClassPath="System.Web.UI.WebControls.TTextBox" Text="TTextBox" />
 		that basically defines a label and a textbox for the user of the application
-		to enter the currency exchange rate. 
+		to enter the currency exchange rate.
 		The <tt>ForControl</tt> property value determines which component
 		that the label is for. This allows the user of the application to click
 		on the label to focus on the field (a good thing). You could have used
 		a plain HTML <tt>&lt;label&gt;</tt> element to do the same thing, but
-		you would have to find the correct <tt>ID</tt> of the textbox (or 
-		<tt>&lt;input&gt;</tt> in HTML) as Prado components may/will render the 
+		you would have to find the correct <tt>ID</tt> of the textbox (or
+		<tt>&lt;input&gt;</tt> in HTML) as Prado components may/will render the
 		<tt>ID</tt> value differently in the HTML output.
 	</p>
-	
-	<p>The next pair of components are similar and defines the textbox
+
+	<p id="80061" class="block-content">The next pair of components are similar and defines the textbox
 		to hold the dollar value to be converted.
 		The <tt>TLabel</tt> with <tt>ID</tt> value "total" defines a simple label.
 		Notice that the <tt>ForControl</tt> property is absent. This means that this
 		label is simply a simple label which we are going to use to display the
 		converted total amount.
 	</p>
-	
-	<p>The final component is a 
+
+	<p id="80062" class="block-content">The final component is a
 		<com:DocLink ClassPath="System.Web.UI.WebControls.TButton" Text="TButton" />
 		that the user will click to calculate the results. The <tt>Text</tt>
 		property sets the button label.
 	</p>
-	
-	<h1>Implementing Currency Conversion</h1>
-	
-	<p>If you tried clicking on the "Convert" button then the page will refresh
+
+	<h1 id="16004">Implementing Currency Conversion</h1>
+
+	<p id="80063" class="block-content">If you tried clicking on the "Convert" button then the page will refresh
 		and does not do anything else. For the button to do some work, we need
 		to add a "Home.php" to where "Home.page" is. The <tt>Home</tt> class
 		should extends the
 		<com:DocLink ClassPath="System.Web.UI.TPage" Text="TPage" />, the default base
-		class for all Prado pages.
-<com:TTextHighlighter Language="php" CssClass="source">
+		class for all Prado pages.

+	</p>
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code3">
 &lt;?php
 class Home extends TPage
 {
-	
+
 }
 ?&gt;
-</com:TTextHighlighter>
+</com:TTextHighlighter>

+	<p id="1111" class="block-content">
 		Prado uses PHP's <tt>__autoload</tt> method to load classes. The convention
-		is to use the class name with ".php" extension as filename. 
+		is to use the class name with ".php" extension as filename.
 	</p>
-	
-	<p>So far there is nothing interesting about Prado, we just declared some
+
+	<p id="80064" class="block-content">So far there is nothing interesting about Prado, we just declared some
 		"web components" in some template file named Home.page and created
 		a "Home.php" file with a <tt>Home</tt> class. The more interesting
 		bits are in Prado's event-driven architecture as we shall see next.
 	</p>
-	
-	<p>We want that when the user click on the "Convert" button, we take the
+
+	<p id="80065" class="block-content">We want that when the user click on the "Convert" button, we take the
 		values in the textbox, do some calculation and present the user with
 		the converted total. To handle the user clicking of the "Convert" button
 		we simply add an <tt>OnClick</tt> property to the "Convert" button in
-	 	the "Home.page" template and add a corresponding event handler method 
-		in the "Home.php". 
-<com:TTextHighlighter Language="prado" CssClass="source">
+	 	the "Home.page" template and add a corresponding event handler method
+		in the "Home.php".

+	</p>
+<com:TTextHighlighter Language="prado" CssClass="source block-content" id="code4">
 &lt;com:TButton Text="Convert" OnClick="convert_clicked" /&gt;
-</com:TTextHighlighter>	
+</com:TTextHighlighter>
+	<p id="222" class="block-content">

 		The value of the <tt>OnClick</tt>, "<tt>convert_clicked</tt>", will be the method
-		name in the "Home.php" that will called when the user clicks on the 
-		"Convert" button.
-<com:TTextHighlighter Language="php" CssClass="source">
+		name in the "Home.php" that will called when the user clicks on the
+		"Convert" button.

+	</p>
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code5">
 class Home extends TPage
 {
     public function convert_clicked($sender, $param)
@@ -164,67 +171,78 @@ class Home extends TPage
         $this->total->Text = $rate * $dollars;
     }
 }
-</com:TTextHighlighter>
+</com:TTextHighlighter>

+<div id="3332" class="block-content">

+	<p id="333">
 		If you run the application in your web browser, enter some values and click
 		the "Convert" button then you should see that calculated value displayed next
 		to the "Amount in Other Currency" label.
 	</p>
-	
-	<p>In the "<tt>convert_clicked</tt>" method the first parameter, <tt>$sender</tt>,
-		corresponds to the object that raised the event, in this case, 
+
+	<p id="80066">In the "<tt>convert_clicked</tt>" method the first parameter, <tt>$sender</tt>,
+		corresponds to the object that raised the event, in this case,
 		the "Convert" button. The second parameter, <tt>$param</tt> contains
 		any additional data that the <tt>$sender</tt> object may wish to have added.
 	</p>
-	
-	<p>We shall now examine, the three lines that implements the simply currency
-		conversion in the "<tt>convert_clicked</tt>" method.
-<com:TTextHighlighter Language="php" CssClass="source">
-$rate = floatval($this->currencyRate->Text);	
-</com:TTextHighlighter>
+
+	<p id="80067">We shall now examine, the three lines that implements the simply currency
+		conversion in the "<tt>convert_clicked</tt>" method.

+	</p>

+</div>
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code6" >
+$rate = floatval($this->currencyRate->Text);
+</com:TTextHighlighter>

+	<p id="444" class="block-content">
 		The statement <tt>$this->currencyRate</tt> corresponds to the
 		<tt>TTextBox</tt> component with <tt>ID</tt> value "currencyRate" in the
 		"Home.page" template. The <tt>Text</tt> property of the <tt>TTextBox</tt>
 		contains the value that the user entered. So, we obtain this
 		value by <tt>$this->currencyRate->Text</tt> which we convert the
-		value to a float value.
-<com:TTextHighlighter Language="php" CssClass="source">
-$dollars = floatval($this->dollars->Text);	
-</com:TTextHighlighter>
+		value to a float value.

+	</p>
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code7">
+$dollars = floatval($this->dollars->Text);
+</com:TTextHighlighter>

+<div id="5551" class="block-content">

+	<p id="555">
 		The next line does a similar things, it takes the user value from
-		the <tt>TTextBox</tt> with <tt>ID</tt> value "dollars and converts it to 
+		the <tt>TTextBox</tt> with <tt>ID</tt> value "dollars and converts it to
 		a float value.
 	</p>
-	
-	<p>The third line calculates the new amount and set this value in the
+
+	<p id="80068">The third line calculates the new amount and set this value in the
 		<tt>Text</tt> property of the <tt>TLabel</tt> with <tt>ID="total"</tt>.
-		Thus, we display the new amount to the user in the label.
-<com:TTextHighlighter Language="php" CssClass="source">
-$this->total->Text = $rate * $dollars;
-</com:TTextHighlighter>	
+		Thus, we display the new amount to the user in the label.

 	</p>
-	
-	<h1>Adding Validation</h1>
-	<p>The way we convert the user entered value to float ensures that the
-		total amount is always a number. So the user is free to enter what 
+</div>

+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code8">
+$this->total->Text = $rate * $dollars;
+</com:TTextHighlighter>
+
+	<h1 id="16005">Adding Validation</h1>
+	<p id="80069" class="block-content">The way we convert the user entered value to float ensures that the
+		total amount is always a number. So the user is free to enter what
 		ever they like, they could even enter letters. The user's experience
 		in using the application can be improved by adding validators
-		to inform the user of the allowed values in the currency rate and the 
+		to inform the user of the allowed values in the currency rate and the
 		amount to be calcuated.
 	</p>
-	
-	<p>For the currency rate, we should ensure that
-		<ol>
+
+	<p id="80070">For the currency rate, we should ensure that</p>
+		<ol id="o111" class="block-content">
 			<li>the user enters a value,</li>
-			<li>the currency rate is a valid number,</li> 
+			<li>the currency rate is a valid number,</li>
 			<li>the currency rate is positive.</li>
-		</ol>
-	 To ensure 1 we add one 
-	<com:DocLink ClassPath="System.Web.UI.WebControls.TRequiredFieldValidator" Text="TRequiredFieldValidator" />. To ensure 2 and 3, we add one 
+		</ol>

+	<p id="666" class="block-content">
+	 To ensure 1 we add one
+	<com:DocLink ClassPath="System.Web.UI.WebControls.TRequiredFieldValidator" Text="TRequiredFieldValidator" />. To ensure 2 and 3, we add one
 	<com:DocLink ClassPath="System.Web.UI.WebControls.TCompareValidator" Text="TCompareValidator" />. We may add these validators any where within
 	the "Home.page" template. Further details regarding these validator and other
-	validators can be found in the 
-	<a href="?page=Controls.Validation">Validation Controls</a> page.
-<com:TTextHighlighter Language="prado" CssClass="source">
+	validators can be found in the
+	<a href="?page=Controls.Validation">Validation Controls</a> page.

+	</p>
+<com:TTextHighlighter Language="prado" CssClass="source block-content" id="code9">
 &lt;com:TRequiredFieldValidator
 	ControlToValidate="currencyRate"
 	ErrorMessage="Please enter a currency rate." /&gt;
@@ -235,18 +253,19 @@ $this->total->Text = $rate * $dollars;
 	Operator="GreaterThan"
 	ErrorMessage="Please enter a positive currency rate." /&gt;
 </com:TTextHighlighter>
-	</p>
-		
-	<p>For the amount to be calculated, we should ensure that
-		<ol>
+
+	<p id="80071" >For the amount to be calculated, we should ensure that</p>
+		<ol id="o222" class="block-content">
 			<li>the user enters a value,</li>
 			<li>the value is a valid number (not including any currency or dollar signs).</li>
-		</ol>
+		</ol>

+	<p id="777" class="block-content">
 	To ensure 1 we just add another <tt>TRequiredFieldValidator</tt>, for 2
 	we could use a
 	<com:DocLink ClassPath="System.Web.UI.WebControls.TDataTypeValidator" Text="TDataTypeValidator" />. For simplicity we only allow the user to enter
-	a number for the amount they wish to convert.
-<com:TTextHighlighter Language="prado" CssClass="source">
+	a number for the amount they wish to convert.

+	</p>
+<com:TTextHighlighter Language="prado" CssClass="source block-content" id="code9a">
 &lt;com:TRequiredFieldValidator
 	ControlToValidate="dollars"
 	ErrorMessage="Please enter the amount you wish to calculate." /&gt;
@@ -256,16 +275,17 @@ $this->total->Text = $rate * $dollars;
 	ErrorMessage="Please enter a number." /&gt;
 </com:TTextHighlighter>
 	</p>
-	
-	<p>Now if you try to enter some invalid data in the application or left out
+
+	<p id="80072" class="block-content">Now if you try to enter some invalid data in the application or left out
 		any of the fields the validators will be activated and present the user
 		with error messages. Notice that the error messages are presented
 		without reloading the page. Prado's validators by default validates
 		using both javascript and server side. The server side validation
 		is <b>always performed</b>. For the server side, we
-		should skip the calculation if the validators are not satisfied. This can 
-		done as follows.
-<com:TTextHighlighter Language="php" CssClass="source">
+		should skip the calculation if the validators are not satisfied. This can
+		done as follows.

+	</p>
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code10" >
 public function convert_clicked($sender, $param)
 {
     if($this->Page->IsValid)
@@ -274,42 +294,43 @@ public function convert_clicked($sender, $param)
         $dollars = floatval($this->dollars->Text);
         $this->total->Text = $rate * $dollars;
     }
-}   
-</com:TTextHighlighter>     
-	</p>
-	
-	<h1>Improve User Experience With Active Controls</h1>
-	<p>In this simple application we may further improve the user experience
+}
+</com:TTextHighlighter>
+
+	<h1 id="16006">Improve User Experience With Active Controls</h1>
+	<p id="80073" class="block-content">In this simple application we may further improve the user experience
 		by decreasing the responsiveness of the application. One way to achieve
 		a faster response is calculate and present the results without reloading
 		the whole page.
 	</p>
-	
-	<p>We can replace the <tt>TButton</tt> with the Active Control counter part,
+
+	<p id="80074" class="block-content">We can replace the <tt>TButton</tt> with the Active Control counter part,
 		<com:DocLink ClassPath="System.Web.UI.ActiveControls.TActiveButton" Text="TActiveButton" />,
 		that can trigger a server side click event without reloading the page.
-		In addition, we can change the "totals" <tt>TLabel</tt> with the 
-		Active Control counter part, 
+		In addition, we can change the "totals" <tt>TLabel</tt> with the
+		Active Control counter part,
 		<com:DocLink ClassPath="System.Web.UI.ActiveControls.TActiveLabel" Text="TActiveLabel" />, such that the server side can update the browser without
-		reloading the page.
-<com:TTextHighlighter Language="prado" CssClass="source">
+		reloading the page.

+	</p>
+<com:TTextHighlighter Language="prado" CssClass="source block-content" id="code11">
 <div class="total-field">
     <span class="total-label">Amount in Other Currency:</span>
          &lt;com:TActiveLabel ID="total" CssClass="result" /&gt;
     </div>
     <div class="convert-button">
         &lt;com:TActiveButton Text="Convert" OnClick="convert_clicked" /&gt;
-</div>	
-</com:TTextHighlighter>
+</div>
+</com:TTextHighlighter>

+	<p id="1232" class="block-content">
 		The server side logic remains the same, we just need to import the
 		Active Controls name space as they are not included by default. We
-		add the following line to the begin of "Home.php".
-<com:TTextHighlighter Language="php" CssClass="source">
-Prado::using('System.Web.UI.ActiveControls.*');	
-</com:TTextHighlighter>
+		add the following line to the begin of "Home.php".

 	</p>
-	
-	<p>If you try the application now, you may notice that the page no longer
+<com:TTextHighlighter Language="php" CssClass="source block-content" id="code12">
+Prado::using('System.Web.UI.ActiveControls.*');
+</com:TTextHighlighter>
+
+	<p id="80075" class="block-content">If you try the application now, you may notice that the page no longer
 		needs to reload to calculate and display the converted total amount.
 		However, since there is not page reload, there is no indication or not obvious
 		that by clicking on the "Convert" button any has happened.
@@ -317,59 +338,61 @@ Prado::using('System.Web.UI.ActiveControls.*');
 		to "calculating..." when the user clicks on the "Convert" button. The text of
 		the "total" label will still be updated with the new calculate amount as before.
 	</p>
-	
-	<p>To indicate that the calculation is in progress, we can change the text 
+
+	<p id="80076" class="block-content">To indicate that the calculation is in progress, we can change the text
 		of the "total" label as follows. We add a <tt>ClientSide.OnLoading</tt> property
 		to the "Convert" button (since this button is responsible for requesting
-		the calculation).
-<com:TTextHighlighter Language="prado" CssClass="source">
+		the calculation).

+	</p>
+<com:TTextHighlighter Language="prado" CssClass="source block-content" id="code13">
 &lt;com:TActiveButton Text="Convert" OnClick="convert_clicked" &gt;
     &lt;prop:ClientSide.OnLoading&gt;
         $('&lt;%= $this->total->ClientID %&gt;').innerHTML = "calculating..."
     &lt;/prop:ClientSide.OnLoading&gt;
-&lt;/com:TActiveButton&gt;	
+&lt;/com:TActiveButton&gt;
 </com:TTextHighlighter>
-	</p>
-	
-	<p>The <tt>ClientSide.OnLoading</tt> and various 
-	<com:DocLink ClassPath="System.Web.UI.ActiveControls.TCallbackClientSide" Text="other properties" /> accept a javascript block as their content or value. 
-	The javascript code <tt>$('...')</tt> is a javascript function that is 
+
+	<p id="80077" class="block-content">The <tt>ClientSide.OnLoading</tt> and various
+	<com:DocLink ClassPath="System.Web.UI.ActiveControls.TCallbackClientSide" Text="other properties" /> accept a javascript block as their content or value.
+	The javascript code <tt>$('...')</tt> is a javascript function that is
 	equivalent to <tt>document.getElementById('...')</tt> that takes a string
 	with the ID of an HTML element. Since Prado renders its components's IDs, we need
 	to use the rendered ID of the "total" label, that is, <tt>$this->total->ClientID</tt>. We place this bit of code within a <tt>&lt;%= %&gt;</tt> to obtain the rendered HTML ID for the "total" label. The rest of the
 	javascript code <tt>innerHTML = "calculating..."</tt> simply changes
 	the content of the "total" label.
 	</p>
-	
-	<h1>Adding Final Touches</h1>
-	<p>So far we have built a simple currency converter web application with
+
+	<h1 id="16007">Adding Final Touches</h1>
+	<p id="80078" class="block-content">So far we have built a simple currency converter web application with
 		little attention of the looks and feel. Now we can add a stylesheet
 		to improve the overall appearance of the application. We can simply
 		add the stylesheet inline with the template code or we may create
 		a "theme".
 	</p>
-	
-	<p>To create and use a theme with Prado applications, we simply create a new
+
+	<p id="80079" class="block-content">To create and use a theme with Prado applications, we simply create a new
 		directory "themes/Basic" in the <tt>currency-converter</tt> directory.
 		You may need to create the <tt>themes</tt> directory first. Any
 		directory within the <tt>themes</tt> are considered as a theme with the
-		name of the theme being the directory name. See the 
+		name of the theme being the directory name. See the
 		<a href="?page=Advanced.Themes">Themes and Skins</a> for further details.
 	</p>
-	
-	<p>We simply create a CSS file named "common.css" and save it in the
+
+	<p id="80080" class="block-content">We simply create a CSS file named "common.css" and save it in the
 		<tt>themes/Basic</tt> directory. Then we add the following code
-		to the beginning of "Home.page" (we add a little more HTML as well).
-<com:TTextHighlighter Language="prado" CssClass="source">
+		to the beginning of "Home.page" (we add a little more HTML as well).

+	</p>
+<com:TTextHighlighter Language="prado" CssClass="source block-content" id="code14">
 &lt;%@ Theme="Basic" %&gt;
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 	
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" >
 &lt;com:THead Title="Currency Converter" /&gt;
-<body>	
-</com:TTextHighlighter>
-		The first line <tt>&lt;%@ Theme="Basic" %&gt;</tt> defines the 
-		theme to be used for this page. The 
+<body>
+</com:TTextHighlighter>

+	<p id="4334" class="block-content">
+		The first line <tt>&lt;%@ Theme="Basic" %&gt;</tt> defines the
+		theme to be used for this page. The
 		<com:DocLink ClassPath="System.Web.UI.WebControls.THead" Text="THead" />
 		corresponds to the HTML <tt>&lt;head&gt;</tt> element. In addition
 		to display the <tt>Title</tt> property by the <tt>THead</tt>, all CSS