WebUI: Fix JavaScript exception on WebUI load

src/webui/www/public/properties_content.html

@@ -107,4 +107,5 @@
 
 <script type="text/javascript">
     torrentPeersTable.setup('torrentPeersTable', 'torrentPeersTableHeader', null);
-</script>
+    $(getLocalStorageItem('selected_tab', 'PropGeneralLink')).click();
+</script>

src/webui/www/public/scripts/client.js

@@ -25,9 +25,15 @@
 torrentsTable = new TorrentsTable();
 torrentPeersTable = new TorrentPeersTable();
 
-var updatePropertiesPanel = function(){};
-var updateTorrentPeersData = function(){};
-var updateMainData = function(){};
+var updatePropertiesPanel = function () {};
+
+var updateTorrentData = function () {};
+var updateTrackersData = function () {};
+var updateTorrentPeersData = function () {};
+var updateWebSeedsData = function () {};
+var updateTorrentFilesData = function () {};
+
+var updateMainData = function () {};
 var alternativeSpeedLimits = false;
 var queueing_enabled = true;
 var syncMainDataTimerPeriod = 1500;
@@ -578,8 +584,6 @@ window.addEvent('load', function () {
             $('propertiesPanel_collapseToggle').addEvent('click', function(e){
                 updatePropertiesPanel();
             });
-
-            $(getLocalStorageItem('selected_tab', 'PropGeneralLink')).click();
         },
         column : 'mainColumn',
         height : prop_h