diff --git a/main/admin/access_url_edit_courses_to_url.php b/main/admin/access_url_edit_courses_to_url.php
index d28994eaaf..4d796f138d 100755
--- a/main/admin/access_url_edit_courses_to_url.php
+++ b/main/admin/access_url_edit_courses_to_url.php
@@ -1,8 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 /**
- *	@package chamilo.admin
- *	@author Julio Montoya <gugli100@gmail.com>
+ * @package chamilo.admin
+ * @author Julio Montoya <gugli100@gmail.com>
  */
 // resetting the course id
 $cidReset = true;
@@ -11,7 +11,7 @@ require_once __DIR__.'/../inc/global.inc.php';
 
 $xajax = new xajax();
 $xajax->registerFunction(
-	array('search_courses', 'Accessurleditcoursestourl', 'search_courses')
+    array('search_courses', 'Accessurleditcoursestourl', 'search_courses')
 );
 
 // setting the section (for the tabs)
@@ -20,8 +20,8 @@ $this_section = SECTION_PLATFORM_ADMIN;
 // Access restrictions
 api_protect_global_admin_script();
 if (!api_get_multiple_access_url()) {
-	header('Location: index.php');
-	exit;
+    header('Location: index.php');
+    exit;
 }
 
 // Database Table Definitions
@@ -48,13 +48,10 @@ $xajax -> processRequests();
 $htmlHeadXtra[] = $xajax->getJavascript('../inc/lib/xajax/');
 $htmlHeadXtra[] = '<script>
 function add_user_to_url(code, content) {
-
 	document.getElementById("course_to_add").value = "";
 	document.getElementById("ajax_list_courses").innerHTML = "";
-
 	destination = document.getElementById("destination_users");
 	destination.options[destination.length] = new Option(content,code);
-
 	destination.selectedIndex = -1;
 	sortOptions(destination.options);
 }
@@ -153,194 +150,195 @@ if ($add_type == 'multiple') {
 }
 $url_list = UrlManager::get_url_data();
 ?>
-	<div style="text-align: left;">
-		<?php echo $link_add_type_unique ?>&nbsp;|&nbsp;<?php echo $link_add_type_multiple ?>
-	</div>
-	<br /><br />
-	<form name="formulaire" method="post" action="<?php echo api_get_self(); ?>" style="margin:0px;" <?php if ($ajax_search) {echo ' onsubmit="valide();"'; }?> >
-		<?php echo get_lang('SelectUrl').' : '; ?>
-		<select name="access_url_id" onchange="javascript:send();">
-			<option value="0">-- <?php echo get_lang('SelectUrl')?> -- </option>
-			<?php
-			$url_selected = '';
-			foreach ($url_list as $url_obj) {
-				$checked = '';
-				if (!empty($access_url_id)) {
-					if ($url_obj[0] == $access_url_id) {
-						$checked = 'selected=true';
-						$url_selected = $url_obj[1];
-					}
-				}
-				if ($url_obj['active'] == 1) {
-					?>
-					<option <?php echo $checked; ?> value="<?php echo $url_obj[0]; ?>"> <?php echo $url_obj[1]; ?></option>
-				<?php
-				}
-			}
-			?>
-		</select>
-		<br /><br />
-		<input type="hidden" name="form_sent" value="1" />
-		<input type="hidden" name="add_type" value = "<?php echo $add_type ?>" />
-		<table border="0" cellpadding="5" cellspacing="0" width="100%">
-
-			<!-- Users -->
-			<tr>
-				<td align="center"><b><?php echo get_lang('CourseListInPlatform') ?> :</b>
-				</td>
-				<td></td>
-				<td align="center"><b><?php echo get_lang('CourseListIn').' '.$url_selected; ?></b></td>
-			</tr>
-
-			<tr>
-				<td align="center">
-					<div id="content_source">
-						<?php
-						if ($ajax_search) {
-							?>
-							<input type="text" id="course_to_add" onkeyup="xajax_search_courses(this.value,document.formulaire.access_url_id.options[document.formulaire.access_url_id.selectedIndex].value)" />
-							<div id="ajax_list_courses"></div>
-						<?php
-						} else {
-							?>
-							<select id="origin_users" name="no_course_list[]" multiple="multiple" size="15" style="width:380px;">
-								<?php
-								foreach ($no_course_list as $no_course) {
-									?>
-									<option value="<?php echo $no_course['id']; ?>"><?php echo $no_course['title'].' ('.$no_course['code'].')'; ?></option>
-								<?php
-								}
-								unset($no_course_list);
-								?>
-							</select>
-						<?php
-						}
-						?>
-					</div>
-				</td>
-				<td width="10%" valign="middle" align="center">
-					<?php
-					if ($ajax_search) {
-						?>
-						<button class="btn btn-default" type="button" onclick="remove_item(document.getElementById('destination_users'))" >
-                            <em class="fa fa-arrow-left"></em>
-						</button>
-					<?php
-					} else {
-						?>
-						<button class="btn btn-default" type="button" onclick="moveItem(document.getElementById('origin_users'), document.getElementById('destination_users'))" >
-                            <em class="fa fa-arrow-right"></em>
-						</button>
-						<br /><br />
-						<button class="btn btn-default" type="button" onclick="moveItem(document.getElementById('destination_users'), document.getElementById('origin_users'))" >
-                            <em class="fa fa-arrow-left"></em>
-						</button>
-					<?php
-					}
-					?>
-					<br /><br /><br /><br /><br /><br />
-				</td>
-				<td align="center">
-					<select id="destination_users" name="course_list[]" multiple="multiple" size="15" style="width:380px;">
-						<?php
-						foreach ($course_list as $course) {
-							$courseInfo = api_get_course_info_by_id($course['id']);
-							?>
-							<option value="<?php echo $course['id']; ?>"><?php echo $course['title'].' ('.$courseInfo['code'].')'; ?></option>
-						<?php
-						}
-						unset($course_list);
-						?>
-
-					</select></td>
-			</tr>
-			<tr>
-				<td colspan="3" align="center">
-					<br />
-					<?php
-					if (isset($_GET['add']))
-						echo '<button class="btn btn-default" onclick="valide()" >'.get_lang('AddCoursesToURL').'</button>';
-					else
-						echo '<button class="btn btn-default" onclick="valide()" >'.get_lang('EditCoursesToURL').'</button>';
-					?>
-				</td>
-			</tr>
-		</table>
-	</form>
-
-	<script>
-		function moveItem(origin , destination) {
-			for(var i = 0 ; i<origin.options.length ; i++) {
-				if(origin.options[i].selected) {
-					destination.options[destination.length] = new Option(origin.options[i].text,origin.options[i].value);
-					origin.options[i]=null;
-					i = i-1;
-				}
-			}
-			destination.selectedIndex = -1;
-			sortOptions(destination.options);
-		}
+<div style="text-align: left;">
+    <?php echo $link_add_type_unique ?>&nbsp;|&nbsp;<?php echo $link_add_type_multiple ?>
+</div>
+<br /><br />
+<form name="formulaire" method="post" action="<?php echo api_get_self(); ?>" style="margin:0px;" <?php if ($ajax_search) {echo ' onsubmit="valide();"'; }?> >
+    <?php echo get_lang('SelectUrl').' : '; ?>
+    <select name="access_url_id" onchange="javascript:send();">
+        <option value="0">-- <?php echo get_lang('SelectUrl')?> -- </option>
+        <?php
+        $url_selected = '';
+        foreach ($url_list as $url_obj) {
+            $checked = '';
+            if (!empty($access_url_id)) {
+                if ($url_obj[0] == $access_url_id) {
+                    $checked = 'selected=true';
+                    $url_selected = $url_obj[1];
+                }
+            }
+            if ($url_obj['active'] == 1) {
+                ?>
+                <option <?php echo $checked; ?> value="<?php echo $url_obj[0]; ?>"> <?php echo $url_obj[1]; ?></option>
+            <?php
+            }
+        }
+        ?>
+    </select>
+    <br /><br />
+    <input type="hidden" name="form_sent" value="1" />
+    <input type="hidden" name="add_type" value = "<?php echo $add_type ?>" />
+    <table border="0" cellpadding="5" cellspacing="0" width="100%">
+        <!-- Users -->
+        <tr>
+            <td align="center"><b><?php echo get_lang('CourseListInPlatform') ?> :</b>
+            </td>
+            <td></td>
+            <td align="center"><b><?php echo get_lang('CourseListIn').' '.$url_selected; ?></b></td>
+        </tr>
+        <tr>
+            <td align="center">
+                <div id="content_source">
+                    <?php
+                    if ($ajax_search) {
+                        ?>
+                        <input type="text" id="course_to_add" onkeyup="xajax_search_courses(this.value,document.formulaire.access_url_id.options[document.formulaire.access_url_id.selectedIndex].value)" />
+                        <div id="ajax_list_courses"></div>
+                    <?php
+                    } else {
+                        ?>
+                        <select id="origin_users" name="no_course_list[]" multiple="multiple" size="15" style="width:380px;">
+                            <?php
+                            foreach ($no_course_list as $no_course) {
+                                ?>
+                                <option value="<?php echo $no_course['id']; ?>"><?php echo $no_course['title'].' ('.$no_course['code'].')'; ?></option>
+                            <?php
+                            }
+                            unset($no_course_list);
+                            ?>
+                        </select>
+                    <?php
+                    }
+                    ?>
+                </div>
+            </td>
+            <td width="10%" valign="middle" align="center">
+                <?php
+                if ($ajax_search) {
+                    ?>
+                    <button class="btn btn-default" type="button" onclick="remove_item(document.getElementById('destination_users'))" >
+                        <em class="fa fa-arrow-left"></em>
+                    </button>
+                <?php
+                } else {
+                    ?>
+                    <button class="btn btn-default" type="button" onclick="moveItem(document.getElementById('origin_users'), document.getElementById('destination_users'))" >
+                        <em class="fa fa-arrow-right"></em>
+                    </button>
+                    <br /><br />
+                    <button class="btn btn-default" type="button" onclick="moveItem(document.getElementById('destination_users'), document.getElementById('origin_users'))" >
+                        <em class="fa fa-arrow-left"></em>
+                    </button>
+                <?php
+                }
+                ?>
+                <br /><br /><br /><br /><br /><br />
+            </td>
+            <td align="center">
+                <select id="destination_users" name="course_list[]" multiple="multiple" size="15" style="width:380px;">
+                    <?php
+                    foreach ($course_list as $course) {
+                        $courseInfo = api_get_course_info_by_id($course['id']);
+                        ?>
+                        <option value="<?php echo $course['id']; ?>">
+                            <?php echo $course['title'].' ('.$courseInfo['code'].')'; ?>
+                        </option>
+                    <?php
+                    }
+                    unset($course_list);
+                    ?>
+                </select>
+            </td>
+        </tr>
+        <tr>
+            <td colspan="3" align="center">
+                <br />
+                <?php
+                if (isset($_GET['add'])) {
+                    echo '<button class="btn btn-default" onclick="valide()" >'.get_lang('AddCoursesToURL').'</button>';
+                } else {
+                    echo '<button class="btn btn-default" onclick="valide()" >'.get_lang('EditCoursesToURL').'</button>';
+                }
+                ?>
+            </td>
+        </tr>
+    </table>
+</form>
+
+<script>
+    function moveItem(origin , destination) {
+        for(var i = 0 ; i<origin.options.length ; i++) {
+            if(origin.options[i].selected) {
+                destination.options[destination.length] = new Option(origin.options[i].text,origin.options[i].value);
+                origin.options[i]=null;
+                i = i-1;
+            }
+        }
+        destination.selectedIndex = -1;
+        sortOptions(destination.options);
+    }
 
-		function sortOptions(options) {
-			newOptions = new Array();
-			for (i = 0 ; i<options.length ; i++)
-				newOptions[i] = options[i];
+    function sortOptions(options) {
+        newOptions = new Array();
+        for (i = 0 ; i<options.length ; i++)
+            newOptions[i] = options[i];
 
-			newOptions = newOptions.sort(mysort);
-			options.length = 0;
-			for(i = 0 ; i < newOptions.length ; i++)
-				options[i] = newOptions[i];
-		}
+        newOptions = newOptions.sort(mysort);
+        options.length = 0;
+        for(i = 0 ; i < newOptions.length ; i++)
+            options[i] = newOptions[i];
+    }
 
-		function mysort(a, b) {
-			if(a.text.toLowerCase() > b.text.toLowerCase()){
-				return 1;
-			}
-			if(a.text.toLowerCase() < b.text.toLowerCase()){
-				return -1;
-			}
-			return 0;
-		}
+    function mysort(a, b) {
+        if(a.text.toLowerCase() > b.text.toLowerCase()){
+            return 1;
+        }
+        if(a.text.toLowerCase() < b.text.toLowerCase()){
+            return -1;
+        }
+        return 0;
+    }
 
-		function valide(){
-			var options = document.getElementById('destination_users').options;
-			for (i = 0 ; i<options.length ; i++)
-				options[i].selected = true;
-			document.forms.formulaire.submit();
-		}
+    function valide(){
+        var options = document.getElementById('destination_users').options;
+        for (i = 0 ; i<options.length ; i++)
+            options[i].selected = true;
+        document.forms.formulaire.submit();
+    }
 
-		function loadUsersInSelect(select) {
-			var xhr_object = null;
-			if(window.XMLHttpRequest) // Firefox
-				xhr_object = new XMLHttpRequest();
-			else if(window.ActiveXObject) // Internet Explorer
-				xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
-			else  // XMLHttpRequest non supporté par le navigateur
-				alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest...");
-
-			xhr_object.open("POST", "loadUsersInSelect.ajax.php");
-			xhr_object.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
-			nosessionUsers = makepost(document.getElementById('origin_users'));
-			sessionUsers = makepost(document.getElementById('destination_users'));
-			nosessionClasses = makepost(document.getElementById('origin_classes'));
-			sessionClasses = makepost(document.getElementById('destination_classes'));
-			xhr_object.send("nosessionusers="+nosessionUsers+"&sessionusers="+sessionUsers+"&nosessionclasses="+nosessionClasses+"&sessionclasses="+sessionClasses);
-			xhr_object.onreadystatechange = function() {
-				if(xhr_object.readyState == 4) {
-					document.getElementById('content_source').innerHTML = result = xhr_object.responseText;
-					//alert(xhr_object.responseText);
-				}
-			}
-		}
+    function loadUsersInSelect(select) {
+        var xhr_object = null;
+        if(window.XMLHttpRequest) // Firefox
+            xhr_object = new XMLHttpRequest();
+        else if(window.ActiveXObject) // Internet Explorer
+            xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
+        else  // XMLHttpRequest non supporté par le navigateur
+            alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest...");
+
+        xhr_object.open("POST", "loadUsersInSelect.ajax.php");
+        xhr_object.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
+        nosessionUsers = makepost(document.getElementById('origin_users'));
+        sessionUsers = makepost(document.getElementById('destination_users'));
+        nosessionClasses = makepost(document.getElementById('origin_classes'));
+        sessionClasses = makepost(document.getElementById('destination_classes'));
+        xhr_object.send("nosessionusers="+nosessionUsers+"&sessionusers="+sessionUsers+"&nosessionclasses="+nosessionClasses+"&sessionclasses="+sessionClasses);
+        xhr_object.onreadystatechange = function() {
+            if(xhr_object.readyState == 4) {
+                document.getElementById('content_source').innerHTML = result = xhr_object.responseText;
+                //alert(xhr_object.responseText);
+            }
+        }
+    }
 
-		function makepost(select){
-			var options = select.options;
-			var ret = "";
-			for (i = 0 ; i<options.length ; i++)
-				ret = ret + options[i].value +'::'+options[i].text+";;";
+    function makepost(select){
+        var options = select.options;
+        var ret = "";
+        for (i = 0 ; i<options.length ; i++)
+            ret = ret + options[i].value +'::'+options[i].text+";;";
 
-			return ret;
-		}
-	</script>
+        return ret;
+    }
+</script>
 <?php
 Display::display_footer();
diff --git a/main/document/showinframes.php b/main/document/showinframes.php
index 6c925a6787..8d1fbde1a2 100755
--- a/main/document/showinframes.php
+++ b/main/document/showinframes.php
@@ -2,25 +2,23 @@
 /* For licensing terms, see /license.txt */
 
 /**
- *	This file will show documents in a separate frame.
- *	We don't like frames, but it was the best of two bad things.
+ *  This file will show documents in a separate frame.
+ *  We don't like frames, but it was the best of two bad things.
  *
- *	display html files within Chamilo - html files have the Chamilo header.
+ *  display html files within Chamilo - html files have the Chamilo header.
  *
- *	--- advantages ---
- *	users "feel" like they are in Chamilo,
- *	and they can use the navigation context provided by the header.
+ *  --- advantages ---
+ *  users "feel" like they are in Chamilo,
+ *  and they can use the navigation context provided by the header.
+ * --- design ---
+ *  a file gets a parameter (an html file) and shows
+ *    - chamilo header
+ *    - html file from parameter
+ *    - (removed) chamilo footer
  *
- *	--- design ---
- *	a file gets a parameter (an html file)
- *	and shows
- *	- chamilo header
- *	- html file from parameter
- *	- (removed) chamilo footer
- *
- *	@version 0.6
- *	@author Roan Embrechts (roan.embrechts@vub.ac.be)
- *	@package chamilo.document
+ * @version 0.6
+ * @author Roan Embrechts (roan.embrechts@vub.ac.be)
+ * @package chamilo.document
  */
 require_once __DIR__.'/../inc/global.inc.php';
 
@@ -30,7 +28,6 @@ $noPHP_SELF = true;
 $header_file = isset($_GET['file']) ? Security::remove_XSS($_GET['file']) : null;
 $document_id = intval($_GET['id']);
 $originIsLearnpath = isset($_GET['origin']) && $_GET['origin'] === 'learnpathitem';
-
 $courseInfo = api_get_course_info();
 $course_code = api_get_course_id();
 $session_id = api_get_session_id();
@@ -52,7 +49,7 @@ $document_data = DocumentManager::get_document_data_by_id(
     $session_id
 );
 
-if ($session_id != 0 and !$document_data) {
+if ($session_id != 0 && !$document_data) {
     $document_data = DocumentManager::get_document_data_by_id(
         $document_id,
         $course_code,
@@ -67,11 +64,9 @@ if (empty($document_data)) {
 
 $header_file  = $document_data['path'];
 $name_to_show = $document_data['title'];
-
 $path_array = explode('/', str_replace('\\', '/', $header_file));
 $path_array = array_map('urldecode', $path_array);
 $header_file = implode('/', $path_array);
-
 $file = Security::remove_XSS(urldecode($document_data['path']));
 $file_root = $courseInfo['path'].'/document'.str_replace('%2F', '/', $file);
 $file_url_sys = api_get_path(SYS_COURSE_PATH).$file_root;
@@ -149,7 +144,7 @@ if (empty($document_data['parents'])) {
         );
     }
 } else {
-    foreach($document_data['parents'] as $document_sub_data) {
+    foreach ($document_data['parents'] as $document_sub_data) {
         if (!isset($_GET['createdir']) && $document_sub_data['id'] ==  $document_data['id']) {
             $document_sub_data['document_url'] = '#';
         }
@@ -178,8 +173,6 @@ $frameheight = 135;
 if ($is_courseAdmin) {
     $frameheight = 165;
 }
-$js_glossary_in_documents = '';
-
 $js_glossary_in_documents =	'
   $.frameReady(function(){
    //  $("<div>I am a div courses</div>").prependTo("body");
@@ -254,7 +247,7 @@ if ($isChatFolder) {
 $execute_iframe = true;
 if ($jplayer_supported) {
     $extension = api_strtolower($pathinfo['extension']);
-    if ($extension == 'mp4')  {
+    if ($extension == 'mp4') {
         $extension = 'm4v';
     }
     $js_path = api_get_path(WEB_LIBRARY_PATH).'javascript/';
@@ -301,8 +294,7 @@ if ($is_freemind_available) {
 }
 
 if (!$jplayer_supported && $execute_iframe) {
-
-    $htmlHeadXtra[] = '<script type="text/javascript">
+    $htmlHeadXtra[] = '<script>
     <!--
         var jQueryFrameReadyConfigPath = \''.api_get_jquery_web_path().'\';
     -->