diff --git a/src/topics.js b/src/topics.js
index 77b90ae645..1c2727f5ff 100644
--- a/src/topics.js
+++ b/src/topics.js
@@ -1,3 +1,5 @@
+"use strict";
+
 var async = require('async'),
 	gravatar = require('gravatar'),
 	path = require('path'),
@@ -53,7 +55,7 @@ var async = require('async'),
 			};
 
 			if(thumb) {
-				topicData['thumb'] = thumb;
+				topicData.thumb = thumb;
 			}
 
 			db.setObject('topic:' + tid, topicData, function(err) {
@@ -109,8 +111,8 @@ var async = require('async'),
 				categoryTools.exists(cid, next);
 			},
 			function(categoryExists, next) {
-				if(!categoryExists) {
-					return next(new Error('category doesn\'t exist'))
+				if (!categoryExists) {
+					return next(new Error('category doesn\'t exist'));
 				}
 				categoryTools.privileges(cid, uid, next);
 			},
@@ -364,7 +366,7 @@ var async = require('async'),
 				postData[i].index = start + i;
 			}
 
-			pids = postData.map(function(post) {
+			var pids = postData.map(function(post) {
 				return post.pid;
 			});
 
@@ -393,7 +395,7 @@ var async = require('async'),
 					postData[i].upvoted = results.voteData[i].upvoted;
 					postData[i].downvoted = results.voteData[i].downvoted;
 					postData[i].votes = postData[i].votes || 0;
-					postData[i].display_moderator_tools = (uid != 0) && results.privileges[i].editable;
+					postData[i].display_moderator_tools = parseInt(uid, 10) !== 0 && results.privileges[i].editable;
 					postData[i].display_move_tools = results.privileges[i].move;
 
 					if(parseInt(postData[i].deleted, 10) === 1 && !results.privileges[i].view_deleted) {
@@ -460,7 +462,7 @@ var async = require('async'),
 
 				db.sortedSetRevRank(set, topicData[topicData.length - 1].tid, function(err, rank) {
 					if(err) {
-						return calllback(err);
+						return callback(err);
 					}
 
 					returnTopics.nextStart = parseInt(rank, 10) + 1;
@@ -478,7 +480,7 @@ var async = require('async'),
 			month: 2592000000
 		};
 
-		var since = terms['day'];
+		var since = terms.day;
 		if(terms[term]) {
 			since = terms[term];
 		}
@@ -828,7 +830,7 @@ var async = require('async'),
 			if(err) {
 				return callback(err);
 			}
-			Topics.markCategoryUnreadForAll(tid, callback)
+			Topics.markCategoryUnreadForAll(tid, callback);
 		});
 	};
 
@@ -891,7 +893,7 @@ var async = require('async'),
 			return callback(null, []);
 		}
 
-		async.map(tids, Topics.getTeaser, callback)
+		async.map(tids, Topics.getTeaser, callback);
 	};
 
 	Topics.getTeaser = function(tid, callback) {
@@ -926,19 +928,19 @@ var async = require('async'),
 				});
 			});
 		});
-	}
+	};
 
 	Topics.getTopicField = function(tid, field, callback) {
 		db.getObjectField('topic:' + tid, field, callback);
-	}
+	};
 
 	Topics.getTopicFields = function(tid, fields, callback) {
 		db.getObjectFields('topic:' + tid, fields, callback);
-	}
+	};
 
 	Topics.setTopicField = function(tid, field, value, callback) {
 		db.setObjectField('topic:' + tid, field, value, callback);
-	}
+	};
 
 	Topics.increasePostCount = function(tid, callback) {
 		db.incrObjectField('topic:' + tid, 'postcount', function(err, value) {
@@ -947,7 +949,7 @@ var async = require('async'),
 			}
 			db.sortedSetAdd('topics:posts', value, tid, callback);
 		});
-	}
+	};
 
 	Topics.decreasePostCount = function(tid, callback) {
 		db.decrObjectField('topic:' + tid, 'postcount', function(err, value) {
@@ -956,7 +958,7 @@ var async = require('async'),
 			}
 			db.sortedSetAdd('topics:posts', value, tid, callback);
 		});
-	}
+	};
 
 	Topics.increaseViewCount = function(tid, callback) {
 		db.incrObjectField('topic:' + tid, 'viewcount', function(err, value) {
@@ -965,7 +967,7 @@ var async = require('async'),
 			}
 			db.sortedSetAdd('topics:views', value, tid, callback);
 		});
-	}
+	};
 
 	Topics.isLocked = function(tid, callback) {
 		Topics.getTopicField(tid, 'locked', function(err, locked) {
@@ -974,30 +976,30 @@ var async = require('async'),
 			}
 			callback(null, parseInt(locked, 10) === 1);
 		});
-	}
+	};
 
 	Topics.updateTimestamp = function(tid, timestamp) {
 		db.sortedSetAdd('topics:recent', timestamp, tid);
 		Topics.setTopicField(tid, 'lastposttime', timestamp);
-	}
+	};
 
 	Topics.onNewPostMade = function(tid, pid, timestamp, callback) {
 		Topics.increasePostCount(tid);
 		Topics.updateTimestamp(tid, timestamp);
 		Topics.addPostToTopic(tid, pid, timestamp, callback);
-	}
+	};
 
 	Topics.addPostToTopic = function(tid, pid, timestamp, callback) {
 		db.sortedSetAdd('tid:' + tid + ':posts', timestamp, pid, callback);
-	}
+	};
 
 	Topics.removePostFromTopic = function(tid, pid, callback) {
 		db.sortedSetRemove('tid:' + tid + ':posts', pid, callback);
-	}
+	};
 
 	Topics.getPids = function(tid, callback) {
 		db.getSortedSetRange('tid:' + tid + ':posts', 0, -1, callback);
-	}
+	};
 
 	Topics.getUids = function(tid, callback) {
 		var uids = {};
@@ -1021,7 +1023,7 @@ var async = require('async'),
 				callback(null, Object.keys(uids));
 			});
 		});
-	}
+	};
 
 	Topics.updateTopicCount = function(callback) {
 		db.sortedSetCard('topics:recent', function(err, count) {