diff --git a/index.php b/index.php
index 598dbf0..8a48faf 100644
--- a/index.php
+++ b/index.php
@@ -8,143 +8,143 @@ $db = connect();
 initCategories($db);
 
 if(isset($_GET['w'])&&is_numeric($_GET['w']))
-    $weekOffset = $_GET['w'];
+$weekOffset = $_GET['w'];
 else
-    $weekOffset = 0;
+$weekOffset = 0;
 
 ?>
 <!DOCTYPE html>
 <html>
-    <head>
-        <title>Kiwi Calendar</title>
-        <meta charset="utf-8" />
-        <link rel="stylesheet" href="./index.css" />
-        <link rel="stylesheet" href="./main.css" />
-        <link rel="icon" type="image/png" href="favicon.png" />
-        <!--[if IE]><link rel="shortcut icon" type="image/x-icon" href="favicon.ico" /><![endif]-->
-    </head>
-    <body>
-        <header id="title">
-            <a id="hamburgerButton" href="#"><img alt="menu" src="./images/menu.png" /></a>
-            <a href="./index.php"><img alt="logo ESIR" src="./images/esir.png" /></a>
-            <a href="./about.php"><img class="rightLogo" alt="logo Kiwi" src="./images/KiWiCalendar.png" /></a>
-        </header>
+<head>
+  <title>Kiwi Calendar</title>
+  <meta charset="utf-8" />
+  <link rel="stylesheet" href="./index.css" />
+  <link rel="stylesheet" href="./main.css" />
+  <link rel="icon" type="image/png" href="favicon.png" />
+  <!--[if IE]><link rel="shortcut icon" type="image/x-icon" href="favicon.ico" /><![endif]-->
+</head>
+<body>
+  <header id="title">
+    <a id="hamburgerButton" href="#"><img alt="menu" src="./images/menu.png" /></a>
+    <a href="./index.php"><img alt="logo ESIR" src="./images/esir.png" /></a>
+    <a href="./about.php"><img class="rightLogo" alt="logo Kiwi" src="./images/KiWiCalendar.png" /></a>
+  </header>
 
 
-        <nav id="hamburgerMenu">
-            <a id="ancherESIR" href="#">
-                <div class="onglet" id="onglet-esir">
-                    Esir
-                </div>
-            </a>
-            <a id="ancherRennes" href="#">
-                <div class="onglet" id="onglet-ext">
-                    Rennes
-                </div>
-            </a>
-            <div id="container">
-                <form method="post" id="form-categories" action="./update-categories.php">
-                    <?php
-                    for($tab = 0; $tab < 2; ++$tab)
-                    {
-                        $sous_categories = getSousCategories($db, $tab);
-                    ?>
-                    <div id="tab<?php echo $tab; ?>" class="tabContent">
-                        <?php
-                        for($sous_cat_it = 0; $sous_cat_it < count($sous_categories); ++$sous_cat_it)
-                        {
-                            $sous_cat_id = $sous_categories[$sous_cat_it]['sous_cat_id'];
-                            $sous_cat_title = $sous_categories[$sous_cat_it]['sous_cat_title'];
-                        ?>
-                        <h2><?php echo $sous_cat_title;?></h2>
-                        <?php
-                            $categories = getCategoriesBySousCategorie($db, $sous_cat_id);
-                            for($cat_it = 0; $cat_it < count($categories); ++$cat_it)
-                            {
-                                $cat_id = $categories[$cat_it]['cat_id'];
-                                $cat_title = $categories[$cat_it]['cat_title'];
-                        ?>
-                        <input class="categorie-checkbox" type="checkbox" id="cat_<?php echo $cat_id; ?>" name="cat_<?php echo $cat_id; ?>" <?php if(isset($_SESSION['categorieStatus'][$cat_id]) && $_SESSION['categorieStatus'][$cat_id]) echo 'checked'; ?> />
-                        <label for="cat_<?php echo $cat_id; ?>"><span></span><?php echo $cat_title;?></label><br />
-                        <?php
-                            }
-                        }
-                        ?>
-                    </div>
-                    <?php
-                    }
-                    ?>
-                    <input type="submit" id="change" value="sauvegarder cat&eacute;gories" />
-                </form>
-                <a id="ancherEvent" href="./addEvent.php">
-                    <div class="Button" id="AddEvent">
-                        + Ajouter un Évènement
-                    </div>
-                </a>
-            </div>
-        </nav>
+  <nav id="hamburgerMenu">
+    <a id="ancherESIR" href="#">
+      <div class="onglet" id="onglet-esir">
+        Esir
+      </div>
+    </a>
+    <a id="ancherRennes" href="#">
+      <div class="onglet" id="onglet-ext">
+        Rennes
+      </div>
+    </a>
+    <div id="container">
+      <form method="post" id="form-categories" action="./update-categories.php">
+        <?php
+        for($tab = 0; $tab < 2; ++$tab)
+        {
+          $sous_categories = getSousCategories($db, $tab);
+          ?>
+          <div id="tab<?php echo $tab; ?>" class="tabContent">
+            <?php
+            for($sous_cat_it = 0; $sous_cat_it < count($sous_categories); ++$sous_cat_it)
+            {
+              $sous_cat_id = $sous_categories[$sous_cat_it]['sous_cat_id'];
+              $sous_cat_title = $sous_categories[$sous_cat_it]['sous_cat_title'];
+              ?>
+              <h2><?php echo $sous_cat_title;?></h2>
+              <?php
+              $categories = getCategoriesBySousCategorie($db, $sous_cat_id);
+              for($cat_it = 0; $cat_it < count($categories); ++$cat_it)
+              {
+                $cat_id = $categories[$cat_it]['cat_id'];
+                $cat_title = $categories[$cat_it]['cat_title'];
+                ?>
+                <input class="categorie-checkbox" type="checkbox" id="cat_<?php echo $cat_id; ?>" name="cat_<?php echo $cat_id; ?>" <?php if(isset($_SESSION['categorieStatus'][$cat_id]) && $_SESSION['categorieStatus'][$cat_id]) echo 'checked'; ?> />
+                <label for="cat_<?php echo $cat_id; ?>"><span></span><?php echo $cat_title;?></label><br />
+                <?php
+              }
+            }
+            ?>
+          </div>
+          <?php
+        }
+        ?>
+        <input type="submit" id="change" value="sauvegarder cat&eacute;gories" />
+      </form>
+      <a id="ancherEvent" href="./addEvent.php">
+        <div class="Button" id="AddEvent">
+          + Ajouter un Évènement
+        </div>
+      </a>
+    </div>
+  </nav>
 
 
 
 
-        <div id="calendar">
-            <?php
-            $monthDate = strtotime('last monday +'.($weekOffset+3).' weeks');
+  <div id="calendar">
+    <?php
+    $monthDate = strtotime('last monday +'.($weekOffset+3).' weeks');
 
-            for($week = $weekOffset; $week < $weekOffset + 5; ++$week)
-            {
-                echo('
-            <ul class="week">');
-                for($date = strtotime('last monday +'.$week.' weeks');
-                    $date < strtotime('next monday +'.$week.' weeks');
-                    $date = strtotime('+1 day', $date)
-                   )
-                {
-                    $events = getEventsByDateAndCategories($db, $date, $_SESSION['categorieStatus']);
+    for($week = $weekOffset; $week < $weekOffset + 5; ++$week)
+    {
+      echo('
+      <ul class="week">');
+      for($date = strtotime('last monday +'.$week.' weeks');
+      $date < strtotime('next monday +'.$week.' weeks');
+      $date = strtotime('+1 day', $date)
+      )
+      {
+        $events = getEventsByDateAndCategories($db, $date, $_SESSION['categorieStatus']);
 
-                    $class = '';
-                    if(date('m', $date) != date('m', $monthDate))
-                        $class .= ' otherMonth';
+        $class = '';
+        if(date('m', $date) != date('m', $monthDate))
+        $class .= ' otherMonth';
 
-                    if(date('Y-m-d', $date) == date('Y-m-d'))
-                        $class .= ' today';
+        if(date('Y-m-d', $date) == date('Y-m-d'))
+        $class .= ' today';
 
-                    echo('
-                <li class="day'.$class.'">
-                    <a href="./day.php?date='.date('Y-m-d', $date) .'">
-                    <h2>
-                        <span class="minititle left">'.$days[date("N",$date)].'</span>
-                        '.date("d", $date));
-                    if(date('m', $date) != date('m', $monthDate))
-                        echo('<span class="minititle right">/'.date("m",$date).'</class>');
-                    echo('
-                    </h2>
-                    </a>
-                    <ul>');
+        echo('
+        <li class="day'.$class.'">
+        <a href="./day.php?date='.date('Y-m-d', $date) .'">
+        <h2>
+        <span class="minititle left">'.$days[date("N",$date)].'</span>
+        '.date("d", $date));
+        if(date('m', $date) != date('m', $monthDate))
+        echo('<span class="minititle right">/'.date("m",$date).'</span>');
+        echo('
+        </h2>
+        </a>
+        <ul>');
 
-                foreach($events as $event)
-                    echo('<li class="calendar-link"><a href="./event.php?id='.$event['event_id'].'">'.$event['event_title']."</a></li>");
-                echo('
-                    </ul>
-                </li>');
-                }
-                echo('
-            </ul>'."\n");
-            }
-            ?>
+        foreach($events as $event)
+        echo('<li class="calendar-link"><a href="./event.php?id='.$event['event_id'].'">'.$event['event_title']."</a></li>");
+        echo('
+        </ul>
+        </li>');
+      }
+      echo('
+      </ul>'."\n");
+    }
+    ?>
 
-            <div id="footer">
-                <div id="TextFooter">
-                    <div id="exMois">
-                        <a id="ancherMore" href="./index.php?w=<?php echo($weekOffset - 1); ?>"><img id="exMore" alt="expand less" src="images/expand_less.png" /></a>
-                        <div id="Mois"><?php echo($months[date('n',$monthDate)].' '.date('Y',$monthDate)); ?></div>
-                        <a id="ancherLess" href="./index.php?w=<?php echo($weekOffset + 1); ?>"><img id="exLess" alt="expand more" src="images/expand_more.png" /></a>
-                    </div>
-                    <div id="Export"><a href="./export.php?w=<?php echo($weekOffset); ?>">Exporter (iCal)</a></div>
-                </div>
-                <div>
-                </div>
-                <script src="hamburger.js"></script>
-                <script src="categories.js"></script>
-                </body>
-            </html>
+    <div id="footer">
+      <div id="TextFooter">
+        <div id="exMois">
+          <a id="ancherMore" href="./index.php?w=<?php echo($weekOffset - 1); ?>"><img id="exMore" alt="expand less" src="images/expand_less.png" /></a>
+          <div id="Mois"><?php echo($months[date('n',$monthDate)].' '.date('Y',$monthDate)); ?></div>
+          <a id="ancherLess" href="./index.php?w=<?php echo($weekOffset + 1); ?>"><img id="exLess" alt="expand more" src="images/expand_more.png" /></a>
+        </div>
+        <div id="Export"><a href="./export.php?w=<?php echo($weekOffset); ?>">Exporter (iCal)</a></div>
+      </div>
+    </div>
+  </div>
+  <script src="hamburger.js"></script>
+  <script src="categories.js"></script>
+</body>
+</html>
