Update js/control.js

Non-video content doesn't always have a thumbnail field

js/control.js

@@ -134,15 +134,17 @@ control = {
         var th = $('<div>').addClass('thumbholder').addClass('section_' + json.sectionId).css('top', todpos-12);
         var dtime = $('<div>').addClass('time').addClass('tinyfont').html(d[0] + ':' + d[1]);
         var dsection = $('<div>').addClass('sectionname').addClass('tinyfont').html(json.sectionName);
-        var i = $('<img>').addClass('thumbnail').attr('src', json.fields.thumbnail).attr('title', d[0] + ':' + d[1]);
 
         if (json.tags.length > 0) {
             var dseries = $('<div>').addClass('series').addClass('tinyfont').html('series');
             th.append(dseries);
         }
 
         th.append(dtime);
-        th.append(i);
+        if ('thumbnail' in json.fields) 
+	        var i = $('<img>').addClass('thumbnail').attr('src', json.fields.thumbnail).attr('title', d[0] + ':' + d[1]);
+	        th.append(i);
+    	}
         th.append(dsection);
 
         $($('#week .dayholder')[dow.getDay()]).children('.fullday').append(th);