diff --git a/airtime_mvc/application/common/DateHelper.php b/airtime_mvc/application/common/DateHelper.php
index 0c3b880c5..7a8861283 100644
--- a/airtime_mvc/application/common/DateHelper.php
+++ b/airtime_mvc/application/common/DateHelper.php
@@ -152,6 +152,11 @@ class Application_Common_DateHelper
     {
         return strtotime($time2) - strtotime($time1);
     }
+    
+    public static function TimeAdd($time1, $time2)
+    {
+        return strtotime($time2) + strtotime($time1);
+    }
 
     public static function ConvertMSToHHMMSSmm($time)
     {
diff --git a/airtime_mvc/application/controllers/AudiopreviewController.php b/airtime_mvc/application/controllers/AudiopreviewController.php
index 43e3bbf94..478b7ef19 100644
--- a/airtime_mvc/application/controllers/AudiopreviewController.php
+++ b/airtime_mvc/application/controllers/AudiopreviewController.php
@@ -81,6 +81,53 @@ class AudiopreviewController extends Zend_Controller_Action
         $this->_helper->viewRenderer->setRender('audio-preview');
     }
 
+    public function blockPreviewAction()
+    {
+        global $CC_CONFIG;
+        
+        $blockIndex = $this->_getParam('blockIndex');
+        $blockId = $this->_getParam('blockId');
+        
+        $request = $this->getRequest();
+        $baseUrl = $request->getBaseUrl();
+        
+        $baseDir = dirname($_SERVER['SCRIPT_FILENAME']);
+        
+        $this->view->headScript()->appendFile($baseUrl.'/js/airtime/audiopreview/preview_jplayer.js?'.$CC_CONFIG['airtime_version'],'text/javascript');
+        $this->view->headScript()->appendFile($baseUrl.'/js/jplayer/jplayer.playlist.min.js?'.$CC_CONFIG['airtime_version'],'text/javascript');
+        $this->view->headLink()->appendStylesheet($baseUrl.'/js/jplayer/skin/jplayer.airtime.audio.preview.css?'.$CC_CONFIG['airtime_version']);
+        $this->_helper->layout->setLayout('audioPlayer');
+        
+        $logo = Application_Model_Preference::GetStationLogo();
+        if ($logo) {
+            $this->view->logo = "data:image/png;base64,$logo";
+        } else {
+            $this->view->logo = "$baseUrl/css/images/airtime_logo_jp.png";
+        }
+        $this->view->blockIndex= $blockIndex;
+        $this->view->blockId = $blockId;
+        
+        $this->_helper->viewRenderer->setRender('audio-preview');
+    }
+    public function getBlockAction()
+    {
+        // disable the view and the layout
+        $this->view->layout()->disableLayout();
+        $this->_helper->viewRenderer->setNoRender(true);
+        
+        $blockId = $this->_getParam('blockId');
+        
+        if (!isset($blockId)) {
+            return;
+        }
+        
+        $bl = new Application_Model_Block($blockId);
+        $result = array();
+        foreach ($bl->getContents(true) as $ele) {
+            $result[] = $this->createElementMap($ele);
+        }
+        $this->_helper->json($result);
+    }
     /**
      *Function will load and return the contents of the requested playlist.
      */
diff --git a/airtime_mvc/application/controllers/LibraryController.php b/airtime_mvc/application/controllers/LibraryController.php
index 9e0119f20..78fd1abe5 100644
--- a/airtime_mvc/application/controllers/LibraryController.php
+++ b/airtime_mvc/application/controllers/LibraryController.php
@@ -76,6 +76,9 @@ class LibraryController extends Zend_Controller_Action
                 $obj = new Application_Model_Playlist($id);
             } else {
                 $obj = new Application_Model_Block($id);
+                if (!$obj->isStatic()){
+                    unset($menu["play"]);
+                }
                 if ($isAdminOrPM || $obj->getCreatorId() == $user->getId()) {
                     if ($this->obj_sess->type === "playlist") {
                         $menu["pl_add"] = array("name"=> "Add to Playlist", "icon" => "add-playlist", "icon" => "copy");
@@ -312,21 +315,22 @@ class LibraryController extends Zend_Controller_Action
                 $this->view->md = $md;
                 $this->view->contents = $file->getContents();
             } else if ($type == "block") {
-                $file = new Application_Model_Block($id);
+                $block = new Application_Model_Block($id);
                 $this->view->type = $type;
-                $md = $file->getAllPLMetaData();
+                $md = $block->getAllPLMetaData();
 
                 $formatter = new LengthFormatter($md["dcterms:extent"]);
                 $md["dcterms:extent"] = $formatter->format();
 
                 $this->view->md = $md;
-                if ($file->isStatic()) {
+                if ($block->isStatic()) {
                     $this->view->blType = 'Static';
-                    $this->view->contents = $file->getContents();
+                    $this->view->contents = $block->getContents();
                 } else {
                     $this->view->blType = 'Dynamic';
-                    $this->view->contents = $file->getCriteria();
+                    $this->view->contents = $block->getCriteria();
                 }
+                $this->view->block = $block;
             } else if ($type == "stream") {
                 $file = new Application_Model_Webstream($id);
 
diff --git a/airtime_mvc/application/controllers/PlaylistController.php b/airtime_mvc/application/controllers/PlaylistController.php
index 43103edf9..044ebde34 100644
--- a/airtime_mvc/application/controllers/PlaylistController.php
+++ b/airtime_mvc/application/controllers/PlaylistController.php
@@ -71,7 +71,6 @@ class PlaylistController extends Zend_Controller_Action
         $this->view->length = $formatter->format();
 
         $this->view->obj = $obj;
-        Logging::log($obj->getContents());
         $this->view->html = $this->view->render('playlist/update.phtml');
         $this->view->name = $obj->getName();
         $this->view->description = $obj->getDescription();
diff --git a/airtime_mvc/application/models/Block.php b/airtime_mvc/application/models/Block.php
index 3e4a91e4c..1752bd441 100644
--- a/airtime_mvc/application/models/Block.php
+++ b/airtime_mvc/application/models/Block.php
@@ -250,30 +250,50 @@ EOT;
         } else {
             $length = $this->getDynamicBlockLength();
         }
-        $length = $length == null ? "N/A" : $length;
         return $length;
     }
     
+    public function getFormattedLength()
+    {
+        $prepend = "";
+        if ($this->isStatic()){
+            $length = $this->block->getDbLength();
+        } else {
+            $length = $this->getDynamicBlockLength();
+            if (!$this->hasItemLimit()) {
+                $prepend = "~";
+            }
+        }
+        $formatter = new LengthFormatter($length);
+        $length = $prepend.$formatter->format();
+        return $length;
+    }
+    
     public function getDynamicBlockLength()
     {
-        $result = CcBlockcriteriaQuery::create()->filterByDbBlockId($this->id)
-                ->filterByDbCriteria('limit')->findOne();
-        $modifier = $result->getDbModifier();
-        $value = $result->getDbValue();
+        list($value, $modifier) = $this->getLimitValueAndModifier();
         if ($modifier == "items") {
             $length = $value." ".$modifier;
         } else {
+            $value = str_pad($value, 2, "0", STR_PAD_LEFT);
             if ($modifier == "minutes") {
-                $timestamp = "00:".$value.":00";
+                $length = "00:".$value.":00";
             } else if ($modifier == "hours") {
-                $timestamp = $value."00:00";
+                $length = $value."00:00";
             }
-            $formatter = new LengthFormatter($timestamp);
-            $length = "~".$formatter->format();
         } 
         return $length;
     }
     
+    public function getLimitValueAndModifier()
+    {
+        $result = CcBlockcriteriaQuery::create()->filterByDbBlockId($this->id)
+                ->filterByDbCriteria('limit')->findOne();
+        $modifier = $result->getDbModifier();
+        $value = $result->getDbValue();
+        return array($value, $modifier);
+    }
+    
     // 
     public function getStaticLength(){
         $sql = "SELECT SUM(cliplength) as length FROM cc_blockcontents WHERE block_id={$this->id}";
@@ -886,6 +906,7 @@ EOT;
     public function setLength($value){
         $this->block->setDbLength($value);
         $this->block->save($this->con);
+        $this->updateBlockLengthInAllPlaylist();
     }
     
     
@@ -1056,18 +1077,31 @@ EOT;
             // if the block is dynamic, put null to the length
             // as it cannot be calculated
             if ($blockType == 'dynamic') {
-                $this->setLength(null);
-                $output['blockLength'] = $this->getDynamicBlockLength();
+                if ($this->hasItemLimit()) {
+                    $this->setLength(null);
+                } else {
+                    $this->setLength($this->getDynamicBlockLength());
+                }
             } else {
                 $length = $this->getStaticLength();
                 $this->setLength($length);
-                $formatter = new LengthFormatter($length);
-                $output['blockLength'] = $formatter->format();
             }
+            $output['blockLength'] = $this->getFormattedLength();
         }
+        $this->updateBlockLengthInAllPlaylist();
         return $output;
     }
     
+    public function hasItemLimit()
+    {
+        list($value, $modifier) = $this->getLimitValueAndModifier();
+        if ($modifier == 'items') {
+            return true;
+        } else {
+            return false;
+        }
+    }
+    
     public function storeCriteriaIntoDb($p_criteriaData){
         // delete criteria under $p_blockId
         CcBlockcriteriaQuery::create()->findByDbBlockId($this->id)->delete();
@@ -1128,18 +1162,28 @@ EOT;
             $this->deleteAllFilesFromBlock();
             $this->addAudioClips(array_keys($insertList));
             // update length in playlist contents.
-            $blocks = CcPlaylistcontentsQuery::create()->filterByDbBlockId($this->id)->find();
-            $blocks->getFirst();
-            $iterator = $blocks->getIterator();
-            while ($iterator->valid()) {
-                $iterator->current()->setDbClipLength($this->getLength());
-                $iterator->current()->save();
-                $iterator->next();
-            }
+            $this->updateBlockLengthInAllPlaylist();
             return array("result"=>0);
         }
     }
     
+    public function updateBlockLengthInAllPlaylist()
+    {
+        $blocks = CcPlaylistcontentsQuery::create()->filterByDbBlockId($this->id)->find();
+        $blocks->getFirst();
+        $iterator = $blocks->getIterator();
+        while ($iterator->valid()) {
+            $length = $this->getLength();
+            if (!preg_match("/^[0-9]{2}:[0-9]{2}:[0-9]{2}/", $length)) {
+                $iterator->current()->setDbClipLength(null);
+            } else {
+                $iterator->current()->setDbClipLength($length);
+            }
+            $iterator->current()->save();
+            $iterator->next();
+        }
+    }
+    
     public function getListOfFilesUnderLimit()
     {
         $info = $this->getListofFilesMeetCriteria();
diff --git a/airtime_mvc/application/models/Datatables.php b/airtime_mvc/application/models/Datatables.php
index f54631cb7..a807757ad 100644
--- a/airtime_mvc/application/models/Datatables.php
+++ b/airtime_mvc/application/models/Datatables.php
@@ -94,8 +94,8 @@ class Application_Model_Datatables
                     $pl = new Application_Model_Playlist($r['id']);
                     $r['length'] = $pl->getLength();
                 } else if ($r['ftype'] == "block") {
-                    $bl = new Application_Model_Block($r['id']);
-                    $r['length'] = $bl->getLength();
+                    $bl = new Application_Model_Block($r['id']);
+                    $r['length'] = $bl->getFormattedLength();
                 }
             }
         } catch (Exception $e) {
diff --git a/airtime_mvc/application/models/Playlist.php b/airtime_mvc/application/models/Playlist.php
index f560c4f37..bc8f353a8 100644
--- a/airtime_mvc/application/models/Playlist.php
+++ b/airtime_mvc/application/models/Playlist.php
@@ -198,7 +198,7 @@ EOT;
             //format the length for UI.
             if ($row['type'] == 2){
                 $bl = new Application_Model_Block($row['item_id']);
-                $formatter = new LengthFormatter($bl->getLength());
+                $formatter = new LengthFormatter($bl->getFormattedLength());
             } else {
                 $formatter = new LengthFormatter($row['length']);
             }
@@ -257,24 +257,39 @@ EOT;
         return $fade;
     }
     
-    public function hasDynamicBlockOrWebStream(){
-        $sql = "SELECT count(*) as count FROM cc_playlistcontents as pc 
-                JOIN cc_block as bl ON pc.type=2 AND pc.block_id=bl.id AND bl.type='dynamic'
-                WHERE playlist_id={$this->id} AND (pc.type=2 OR pc.type=1)";
-        $r = $this->con->query($sql);
-        $result = $r->fetchAll(PDO::FETCH_NUM);
-        if (intval($result[0][0]) > 0) {
+    // returns true/false and ids of dynamic blocks
+    public function hasDynamicBlock(){
+        $ids = $this->getIdsOfDynamicBlocks();
+        if (count($ids) > 0) {
             return true;
         } else {
             return false;
         }
     }
+    
+    public function getIdsOfDynamicBlocks() {
+        $sql = "SELECT bl.id FROM cc_playlistcontents as pc
+                JOIN cc_block as bl ON pc.type=2 AND pc.block_id=bl.id AND bl.type='dynamic'
+                WHERE playlist_id={$this->id} AND pc.type=2";
+        $r = $this->con->query($sql);
+        $result = $r->fetchAll(PDO::FETCH_ASSOC);
+        return $result;
+    }
 
     //aggregate column on playlistcontents cliplength column.
     public function getLength()
     {
-        if ($this->hasDynamicBlockOrWebStream()){
-            return "N/A";
+        if ($this->hasDynamicBlock()){
+            $ids = $this->getIdsOfDynamicBlocks();
+            $length = $this->pl->getDbLength();
+            foreach ($ids as $id){
+                $bl = new Application_Model_Block($id['id']);
+                if ($bl->hasItemLimit()) {
+                    return "N/A";
+                }
+            }
+            $formatter = new LengthFormatter($length);
+            return "~".$formatter->format();
         } else {
             return $this->pl->getDbLength();
         }
diff --git a/airtime_mvc/application/views/scripts/audiopreview/audio-preview.phtml b/airtime_mvc/application/views/scripts/audiopreview/audio-preview.phtml
index d5d1b2dc4..d440d96ca 100644
--- a/airtime_mvc/application/views/scripts/audiopreview/audio-preview.phtml
+++ b/airtime_mvc/application/views/scripts/audiopreview/audio-preview.phtml
@@ -3,6 +3,9 @@
 <?php if (isset($this->playlistID)): ?>
     <span class='playlistID'><?php echo "$this->playlistID" ?></span>
     <span class='playlistIndex'><?php echo "$this->playlistIndex" ?></span>
+<?php elseif (isset($this->blockId)): ?>
+    <span class='blockId'><?php echo "$this->blockId" ?></span>
+    <span class='blockIndex'><?php echo "$this->blockIndex" ?></span>
 <?php elseif (isset($this->audioFileID)): ?>
     <span class='audioFileID'><?php echo "$this->audioFileID" ?></span>
     <span class='audioFileTitle'><?php echo "$this->audioFileTitle" ?></span>
diff --git a/airtime_mvc/application/views/scripts/library/get-file-metadata.ajax.phtml b/airtime_mvc/application/views/scripts/library/get-file-metadata.ajax.phtml
index 3579b1d7c..c192e9ddb 100644
--- a/airtime_mvc/application/views/scripts/library/get-file-metadata.ajax.phtml
+++ b/airtime_mvc/application/views/scripts/library/get-file-metadata.ajax.phtml
@@ -26,23 +26,7 @@
 <div><span>Name:</span><span><?php echo ($this->md["dc:title"]);?></span></div>
 <div><span>Creator:</span><span><?php echo ($this->md["dc:creator"]);?></span></div>
 <?php if ($this->type == "block" && $this->blType == "Dynamic") { ?>
-    <?php if ($this->contents["limit"]["modifier"] == "items") { ?>
-        <?php $len = $this->contents["limit"]["value"]." tracks"; ?>
-    <?php } elseif ($this->contents["limit"]["modifier"] == "minutes") { ?>
-        <?php
-        $mins = $this->contents["limit"]["value"];
-        if ($mins > 59) {
-            $hours = intval($mins / 60);
-            $minutes = $mins % 60;
-            $len = $hours.":".str_pad($minutes, 2, "0", STR_PAD_LEFT).":00.0";    
-        } else {
-            $len = $this->contents["limit"]["value"].":00.0";
-        }
-        ?>
-    <?php } else {?>
-        <?php $len = $this->contents["limit"]["value"].":00:00.0"; ?>
-    <?php } ?>
-    <div><span>Length:</span><span><?php echo $len;?></span></div>
+<div><span>Length:</span><span><?php echo $this->block->getFormattedLength();?></span></div>
 <?php } else { ?>
 <div><span>Length:</span><span><?php echo ($this->md["dcterms:extent"]);?></span></div>
 <?php } ?>
@@ -74,13 +58,7 @@
                 <tr class='file-md-qtip-playlist <?php if ($isStatic) echo 'static'; else echo 'dynamic';?>'>
                     <td class='file-md-qtip-row-width-title'><?php echo $row["track_title"] ?></td>
                     <td class='file-md-qtip-row-width-artist'><?php echo $row["creator"] ?></td>
-                    <?php if (!$isStatic) { ?>
-                        <?php $criteria = $bl->getCriteria();?>
-                        <?php $len = $bl->getLength();?>
-                        <td class='file-md-qtip-row-width-small'><?php echo $len ?></td>
-                    <?php } else { ?>
-                        <td class='file-md-qtip-row-width-small'><?php echo $row["length"] ?></td>
-                    <?php } ?>
+                    <td class='file-md-qtip-row-width-small'><?php echo $bl->getFormattedLength(); ?></td>
                 </tr>
             <?php } else { ?>
                 <tr>
diff --git a/airtime_mvc/application/views/scripts/playlist/update.phtml b/airtime_mvc/application/views/scripts/playlist/update.phtml
index 21a9b6477..a389265ca 100644
--- a/airtime_mvc/application/views/scripts/playlist/update.phtml
+++ b/airtime_mvc/application/views/scripts/playlist/update.phtml
@@ -17,7 +17,7 @@ if ($item['type'] == 2) {
                 <span class="ui-icon ui-icon-play"></span>
             </div>
             <?php elseif ($item['type'] == 2 && $item['exists']): ?>
-            <div class="big_play ui-state-hover">
+            <div class="big_play ui-state-hover" blockId="<?php echo $item["item_id"]; ?>">
                 <span class="ui-icon ui-icon-alert"></span>
             </div>
             <?php else: ?>
@@ -31,9 +31,9 @@ if ($item['type'] == 2) {
                 <span class="spl_cue ui-state-default"></span>
                 <?php } else if ($item['type'] == 2) {
                         if ($staticBlock) {?>
-                <span class="spl_block_expand close" id="expand_block_<?php echo $item['item_id']?>">Static Block Expand</span>
+                <span class="spl_block_expand close" blockId="<?php echo $item["item_id"]; ?>" id="expand_block_<?php echo $item["id"]?>">Static Block Expand</span>
                 <?php   } else { ?>
-                <span class="spl_block_expand close" id="expand_block_<?php echo $item['item_id']?>">Dynamic Block</span>
+                <span class="spl_block_expand close" blockId="<?php echo $item["item_id"]; ?>" id="expand_block_<?php echo $item["id"]?>">Dynamic Block</span>
                 <?php   }
                       } ?>
                 <span class="spl_title"><?php echo $item['track_title'] ?></span>
@@ -75,7 +75,7 @@ if ($item['type'] == 2) {
         </div>
         <?php endif; ?>
         <?php if ($item['type'] == 2) {?>
-        <div id="block_<?php echo $item['item_id']?>_info"></div>
+        <div id="block_<?php echo $item["id"]?>_info"></div>
         <?php } ?>
     </li>
     <?php $i = $i+1; ?>
diff --git a/airtime_mvc/public/js/airtime/audiopreview/preview_jplayer.js b/airtime_mvc/public/js/airtime/audiopreview/preview_jplayer.js
index 149cd82ce..dcc33f11d 100644
--- a/airtime_mvc/public/js/airtime/audiopreview/preview_jplayer.js
+++ b/airtime_mvc/public/js/airtime/audiopreview/preview_jplayer.js
@@ -40,6 +40,8 @@ $(document).ready(function(){
     var playlistIndex = $('.playlistIndex').text();
     var showID = $('.showID').text();
     var showIndex = $('.showIndex').text();
+    var blockId = $('.blockId').text();
+    var blockIndex = $('.blockIndex').text();
 
     var numOfItems = 0;
     
@@ -49,6 +51,8 @@ $(document).ready(function(){
         playOne(audioFileID);
     }else if (showID != "") {
         playAllShow(showID, showIndex);
+    }else if(blockId != "" && blockIndex != ""){
+        playBlock(blockId, blockIndex);
     }
     
     $("#jp_container_1").on("mouseenter", "ul.jp-controls li", function(ev) {
@@ -76,6 +80,17 @@ function playAllPlaylist(p_playlistID, p_playlistIndex) {
     }
 }
 
+function playBlock(p_blockId, p_blockIndex)
+{
+    var viewsBlockId = $('.blockId').text();
+    
+    if ( _idToPostionLookUp !== undefined && viewsBlockId == p_blockId ) {
+        play(p_blockIndex);
+    }else {
+        buildplaylist("/audiopreview/get-block/blockId/"+p_blockId, p_blockIndex);
+    }
+}
+
 /**
  * Sets up the show to play.
  *  checks with the show id given to the show id on the page/view
diff --git a/airtime_mvc/public/js/airtime/common/common.js b/airtime_mvc/public/js/airtime/common/common.js
index 236f52879..074c6f267 100644
--- a/airtime_mvc/public/js/airtime/common/common.js
+++ b/airtime_mvc/public/js/airtime/common/common.js
@@ -31,11 +31,16 @@ function openAudioPreview(p_event) {
     p_event.stopPropagation();
     
     var audioFileID = $(this).attr('audioFile');
-    var playlistID = $('#pl_id:first').attr('value');
-    var playlistIndex = $(this).parent().parent().attr('id');
-    playlistIndex = playlistIndex.substring(4); //remove the spl_
+    var objId = $('#obj_id:first').attr('value');
+    var objType = $('#obj_type:first').attr('value');
+    var playIndex = $(this).parent().parent().attr('id');
+    playIndex = playIndex.substring(4); //remove the spl_
     
-    open_playlist_preview(playlistID, playlistIndex);
+    if (objType == "playlist") {
+        open_playlist_preview(objId, playIndex);
+    } else if (objType == "block") {
+        open_block_preview(objId, playIndex);
+    }
 }
 
 function open_audio_preview(audioFileID, audioFileTitle, audioFileArtist) {
@@ -65,6 +70,17 @@ function open_playlist_preview(p_playlistID, p_playlistIndex) {
     _preview_window.focus();
 }
 
+function open_block_preview(p_blockId, p_blockIndex) {
+    if (p_blockIndex == undefined) //Use a resonable default.
+        p_blockIndex = 0;
+    
+    if (_preview_window != null && !_preview_window.closed)
+        _preview_window.playBlock(p_blockId, p_blockIndex);
+    else
+        openPreviewWindow('audiopreview/block-preview/blockIndex/'+p_blockIndex+'/blockId/'+p_blockId);
+    _preview_window.focus();
+}
+
 /**
  *Opens a jPlayer window for the specified info, for either an audio file or playlist.
  *If audioFile, audioFileTitle, audioFileArtist is supplied the jplayer opens for one file
diff --git a/airtime_mvc/public/js/airtime/library/library.js b/airtime_mvc/public/js/airtime/library/library.js
index 1b262c709..c1b0f4663 100644
--- a/airtime_mvc/public/js/airtime/library/library.js
+++ b/airtime_mvc/public/js/airtime/library/library.js
@@ -629,6 +629,9 @@ var AIRTIME = (function(AIRTIME) {
                                 open_playlist_preview(playlistIndex, 0);
                             } else if (data.ftype === 'audioclip') {
                                 open_audio_preview(data.audioFile, data.track_title, data.artist_name);
+                            } else if (data.ftype === 'block') {
+                                blockIndex = $(this).parent().attr('id').substring(3); //remove the pl_
+                                open_block_preview(blockIndex, 0);
                             }
                         };
                         oItems.play.callback = callback;
diff --git a/airtime_mvc/public/js/airtime/library/spl.js b/airtime_mvc/public/js/airtime/library/spl.js
index 8c256ca8b..83fd83430 100644
--- a/airtime_mvc/public/js/airtime/library/spl.js
+++ b/airtime_mvc/public/js/airtime/library/spl.js
@@ -356,10 +356,11 @@ var AIRTIME = (function(AIRTIME){
 		$pl.delegate(".spl_block_expand",
 		        {"click": function(ev){
 		            var id = parseInt($(this).attr("id").split("_").pop(), 10);
+		            var blockId = parseInt($(this).attr("blockId"), 10);
 		            if ($(this).hasClass('close')) {
                         var sUrl = "/playlist/get-block-info";
                         mod.disableUI();
-                        $.post(sUrl, {format:"json", id:id}, function(json){
+                        $.post(sUrl, {format:"json", id:blockId}, function(json){
                             $html = "";
                             var data = $.parseJSON(json);
                             var isStatic = data.isStatic;