diff -r 1846ab4ebdda -r cb14131583c6 SEESenv/web/html/ch2intro.html
--- a/SEESenv/web/html/ch2intro.html	Tue Feb 23 19:56:48 2010 +0530
+++ b/SEESenv/web/html/ch2intro.html	Thu Feb 25 00:04:27 2010 +0530
@@ -27,7 +27,7 @@
     <dl>
      <dt>
       <span class="article">
-       <a href="#id2809348">
+       <a href="#id2766476">
         Basic Python
        </a>
       </span>
@@ -36,14 +36,14 @@
       <dl>
        <dt>
         <span class="section">
-         <a href="#id2617111">
+         <a href="#id2574240">
           1. Introduction
          </a>
         </span>
        </dt>
        <dt>
         <span class="section">
-         <a href="#id2860477">
+         <a href="#id2817606">
           2. The Python Interpreter
          </a>
         </span>
@@ -52,14 +52,14 @@
         <dl>
          <dt>
           <span class="section">
-           <a href="#id2860486">
+           <a href="#id2817615">
             2.1. The Interactive Interpreter
            </a>
           </span>
          </dt>
          <dt>
           <span class="section">
-           <a href="#id2860659">
+           <a href="#id2817788">
             2.2.
             <span class="emphasis">
              <em>
@@ -74,14 +74,14 @@
        </dd>
        <dt>
         <span class="section">
-         <a href="#id2860784">
+         <a href="#id2817912">
           3. Editing and running a python file
          </a>
         </span>
        </dt>
        <dt>
         <span class="section">
-         <a href="#id2860890">
+         <a href="#id2818019">
           4. Basic Datatypes and operators in Python
          </a>
         </span>
@@ -90,28 +90,28 @@
         <dl>
          <dt>
           <span class="section">
-           <a href="#id2860925">
+           <a href="#id2818053">
             4.1. Numbers
            </a>
           </span>
          </dt>
          <dt>
           <span class="section">
-           <a href="#id2861055">
+           <a href="#id2818183">
             4.2. Variables
            </a>
           </span>
          </dt>
          <dt>
           <span class="section">
-           <a href="#id2861102">
+           <a href="#id2818231">
             4.3. Strings
            </a>
           </span>
          </dt>
          <dt>
           <span class="section">
-           <a href="#id2861297">
+           <a href="#id2818425">
             4.4. Boolean
            </a>
           </span>
@@ -120,7 +120,7 @@
        </dd>
        <dt>
         <span class="section">
-         <a href="#id2861325">
+         <a href="#id2818454">
           5. The
           <span class="strong">
            <strong>
@@ -133,7 +133,7 @@
        </dt>
        <dt>
         <span class="section">
-         <a href="#id2861363">
+         <a href="#id2818491">
           6. The
           <span class="strong">
            <strong>
@@ -146,7 +146,7 @@
        </dt>
        <dt>
         <span class="section">
-         <a href="#id2861432">
+         <a href="#id2818560">
           7.
           <span class="strong">
            <strong>
@@ -158,7 +158,7 @@
        </dt>
        <dt>
         <span class="section">
-         <a href="#id2861586">
+         <a href="#id2818715">
           8.
           <span class="strong">
            <strong>
@@ -178,7 +178,7 @@
      <div>
       <div>
        <h2 class="title">
-        <a name="id2809348">
+        <a name="id2766476">
         </a>
         Basic Python
        </h2>
@@ -195,14 +195,14 @@
      <dl>
       <dt>
        <span class="section">
-        <a href="#id2617111">
+        <a href="#id2574240">
          1. Introduction
         </a>
        </span>
       </dt>
       <dt>
        <span class="section">
-        <a href="#id2860477">
+        <a href="#id2817606">
          2. The Python Interpreter
         </a>
        </span>
@@ -211,14 +211,14 @@
        <dl>
         <dt>
          <span class="section">
-          <a href="#id2860486">
+          <a href="#id2817615">
            2.1. The Interactive Interpreter
           </a>
          </span>
         </dt>
         <dt>
          <span class="section">
-          <a href="#id2860659">
+          <a href="#id2817788">
            2.2.
            <span class="emphasis">
             <em>
@@ -233,14 +233,14 @@
       </dd>
       <dt>
        <span class="section">
-        <a href="#id2860784">
+        <a href="#id2817912">
          3. Editing and running a python file
         </a>
        </span>
       </dt>
       <dt>
        <span class="section">
-        <a href="#id2860890">
+        <a href="#id2818019">
          4. Basic Datatypes and operators in Python
         </a>
        </span>
@@ -249,28 +249,28 @@
        <dl>
         <dt>
          <span class="section">
-          <a href="#id2860925">
+          <a href="#id2818053">
            4.1. Numbers
           </a>
          </span>
         </dt>
         <dt>
          <span class="section">
-          <a href="#id2861055">
+          <a href="#id2818183">
            4.2. Variables
           </a>
          </span>
         </dt>
         <dt>
          <span class="section">
-          <a href="#id2861102">
+          <a href="#id2818231">
            4.3. Strings
           </a>
          </span>
         </dt>
         <dt>
          <span class="section">
-          <a href="#id2861297">
+          <a href="#id2818425">
            4.4. Boolean
           </a>
          </span>
@@ -279,7 +279,7 @@
       </dd>
       <dt>
        <span class="section">
-        <a href="#id2861325">
+        <a href="#id2818454">
          5. The
          <span class="strong">
           <strong>
@@ -292,7 +292,7 @@
       </dt>
       <dt>
        <span class="section">
-        <a href="#id2861363">
+        <a href="#id2818491">
          6. The
          <span class="strong">
           <strong>
@@ -305,7 +305,7 @@
       </dt>
       <dt>
        <span class="section">
-        <a href="#id2861432">
+        <a href="#id2818560">
          7.
          <span class="strong">
           <strong>
@@ -317,7 +317,7 @@
       </dt>
       <dt>
        <span class="section">
-        <a href="#id2861586">
+        <a href="#id2818715">
          8.
          <span class="strong">
           <strong>
@@ -360,7 +360,7 @@
       <div>
        <div>
         <h2 class="title" style="clear: both">
-         <a name="id2617111">
+         <a name="id2574240">
          </a>
          1.Introduction
         </h2>
@@ -544,7 +544,7 @@
       <div>
        <div>
         <h2 class="title" style="clear: both">
-         <a name="id2860477">
+         <a name="id2817606">
          </a>
          2.The Python Interpreter
         </h2>
@@ -556,7 +556,7 @@
        <div>
         <div>
          <h3 class="title">
-          <a name="id2860486">
+          <a name="id2817615">
           </a>
           2.1.The Interactive Interpreter
          </h3>
@@ -723,7 +723,7 @@
        <div>
         <div>
          <h3 class="title">
-          <a name="id2860659">
+          <a name="id2817788">
           </a>
           2.2.
           <span class="emphasis">
@@ -824,7 +824,7 @@
       <div>
        <div>
         <h2 class="title" style="clear: both">
-         <a name="id2860784">
+         <a name="id2817912">
          </a>
          3.Editing and running a python file
         </h2>
@@ -925,7 +925,7 @@
       <div>
        <div>
         <h2 class="title" style="clear: both">
-         <a name="id2860890">
+         <a name="id2818019">
          </a>
          4.Basic Datatypes and operators in Python
         </h2>
@@ -959,7 +959,7 @@
        <div>
         <div>
          <h3 class="title">
-          <a name="id2860925">
+          <a name="id2818053">
           </a>
           4.1.Numbers
          </h3>
@@ -1076,7 +1076,7 @@
        <div>
         <div>
          <h3 class="title">
-          <a name="id2861055">
+          <a name="id2818183">
           </a>
           4.2.Variables
          </h3>
@@ -1121,7 +1121,7 @@
        <div>
         <div>
          <h3 class="title">
-          <a name="id2861102">
+          <a name="id2818231">
           </a>
           4.3.Strings
          </h3>
@@ -1174,7 +1174,7 @@
         <div>
          <div>
           <h4 class="title">
-           <a name="id2861154">
+           <a name="id2818283">
            </a>
            4.3.1.String operations
           </h4>
@@ -1313,7 +1313,7 @@
        <div>
         <div>
          <h3 class="title">
-          <a name="id2861297">
+          <a name="id2818425">
           </a>
           4.4.Boolean
          </h3>
@@ -1356,7 +1356,7 @@
       <div>
        <div>
         <h2 class="title" style="clear: both">
-         <a name="id2861325">
+         <a name="id2818454">
          </a>
          5.The
          <span class="strong">
@@ -1407,7 +1407,7 @@
       <div>
        <div>
         <h2 class="title" style="clear: both">
-         <a name="id2861363">
+         <a name="id2818491">
          </a>
          6.The
          <span class="strong">
@@ -1484,7 +1484,7 @@
       <div>
        <div>
         <h2 class="title" style="clear: both">
-         <a name="id2861432">
+         <a name="id2818560">
          </a>
          7.
          <span class="strong">
@@ -1634,7 +1634,7 @@
       <div>
        <div>
         <h2 class="title" style="clear: both">
-         <a name="id2861586">
+         <a name="id2818715">
          </a>
          8.
          <span class="strong">