diff --git a/airtime_mvc/public/js/airtime/showbuilder/main_builder.js b/airtime_mvc/public/js/airtime/showbuilder/main_builder.js
index 60c8bdf7f..6e46477bf 100644
--- a/airtime_mvc/public/js/airtime/showbuilder/main_builder.js
+++ b/airtime_mvc/public/js/airtime/showbuilder/main_builder.js
@@ -206,7 +206,6 @@ AIRTIME = (function(AIRTIME) {
 			}
 		});
 		
-		/*
 		//check if the timeline viewed needs updating.
 		setInterval(function(){
 			var data = {},
@@ -238,7 +237,7 @@ AIRTIME = (function(AIRTIME) {
 			} );
 			
 		}, 5 * 1000); //need refresh in milliseconds
-		*/
+
 	};
 	
 	mod.onResize = function() {
diff --git a/install_minimal/upgrades/airtime-2.1.0/common/Version20120411102907.php b/install_minimal/upgrades/airtime-2.1.0/common/Version20120411102907.php
index a1b9c32f4..6e4bb3c6c 100644
--- a/install_minimal/upgrades/airtime-2.1.0/common/Version20120411102907.php
+++ b/install_minimal/upgrades/airtime-2.1.0/common/Version20120411102907.php
@@ -14,18 +14,26 @@ class Version20120411102907 extends AbstractMigration
      */
     public function up(Schema $schema)
     {
-        $this->_addSql("ALTER TABLE cc_files ALTER COLUMN length TYPE interval DEFAULT '00:00:00'");
+        $this->_addSql("ALTER TABLE cc_files ALTER COLUMN length TYPE interval");
+        $this->_addSql("ALTER TABLE cc_files ALTER COLUMN length SET DEFAULT '00:00:00'::interval");
         $this->_addSql("ALTER TABLE cc_files ALTER COLUMN file_exists DROP NOT NULL");
         
-        $this->_addSql("ALTER TABLE cc_playlistcontents ALTER COLUMN cuein TYPE interval DEFAULT '00:00:00'");
-        $this->_addSql("ALTER TABLE cc_playlistcontents ALTER COLUMN cueout TYPE interval DEFAULT '00:00:00'");
-        $this->_addSql("ALTER TABLE cc_playlistcontents ALTER COLUMN cliplength TYPE interval DEFAULT '00:00:00'");
+        $this->_addSql("ALTER TABLE cc_playlistcontents ALTER COLUMN cuein TYPE interval");
+        $this->_addSql("ALTER TABLE cc_playlistcontents ALTER COLUMN cuein SET DEFAULT '00:00:00'");
+        $this->_addSql("ALTER TABLE cc_playlistcontents ALTER COLUMN cueout TYPE interval");
+        $this->_addSql("ALTER TABLE cc_playlistcontents ALTER COLUMN cueout SET DEFAULT '00:00:00'");
+        $this->_addSql("ALTER TABLE cc_playlistcontents ALTER COLUMN cliplength TYPE interval");
+        $this->_addSql("ALTER TABLE cc_playlistcontents ALTER COLUMN cliplength SET DEFAULT '00:00:00'");
         
-        $this->_addSql("ALTER TABLE cc_schedule ALTER COLUMN cue_in TYPE interval DEFAULT '00:00:00'");
-        $this->_addSql("ALTER TABLE cc_schedule ALTER COLUMN cue_out TYPE interval DEFAULT '00:00:00'");
-        $this->_addSql("ALTER TABLE cc_schedule ALTER COLUMN clip_length TYPE interval DEFAULT '00:00:00'");
+        $this->_addSql("ALTER TABLE cc_schedule ALTER COLUMN cue_in TYPE interval");
+        $this->_addSql("ALTER TABLE cc_schedule ALTER COLUMN cue_in SET DEFAULT '00:00:00'");
+        $this->_addSql("ALTER TABLE cc_schedule ALTER COLUMN cue_out TYPE interval");
+        $this->_addSql("ALTER TABLE cc_schedule ALTER COLUMN cue_out SET DEFAULT '00:00:00'");
+        $this->_addSql("ALTER TABLE cc_schedule ALTER COLUMN clip_length TYPE interval");
+        $this->_addSql("ALTER TABLE cc_schedule ALTER COLUMN clip_length SET DEFAULT '00:00:00'");
         
-        $this->_addSql("ALTER TABLE cc_show_instances ALTER COLUMN time_filled TYPE interval DEFAULT '00:00:00'");
+        $this->_addSql("ALTER TABLE cc_show_instances ALTER COLUMN time_filled TYPE interval");
+        $this->_addSql("ALTER TABLE cc_show_instances ALTER COLUMN time_filled set DEFAULT '00:00:00'");
         
         //remove old columns from cc_schedule that deal with groups or playlists.
         $this->_addSql("ALTER TABLE cc_schedule DROP COLUMN group_id");
diff --git a/install_minimal/upgrades/airtime-2.1.0/common/Version20120411174904.php b/install_minimal/upgrades/airtime-2.1.0/common/Version20120411174904.php
index 0ad900353..3c5891c99 100644
--- a/install_minimal/upgrades/airtime-2.1.0/common/Version20120411174904.php
+++ b/install_minimal/upgrades/airtime-2.1.0/common/Version20120411174904.php
@@ -15,6 +15,8 @@ class Version20120411174904 extends AbstractMigration
         $this->_addSql("ALTER TABLE cc_show_instances ADD created timestamp");
         $this->_addSql("ALTER TABLE cc_show_instances ALTER COLUMN created SET NOT NULL");
         
+        $this->_addSql("ALTER TABLE cc_show_instances ADD last_scheduled timestamp");
+        
         //setting these to a default now for timeline refresh purposes.
         $now = gmdate("Y-m-d H:i:s");
         $this->_addSql("UPDATE cc_show_instances SET created = '$now'");