Minor code cleanup

js/HuesCanvas.js

@@ -32,17 +32,17 @@ function HuesCanvas(element, aContext, core) {
     this.image = null;
     this.smartAlign = true; // avoid string comparisons every frame
 
-    this.animTimeout;
-    this.animFrame;
+    this.animTimeout = null;
+    this.animFrame = null;
 
     // set later
-    this.blurDecay;
-    this.blurAmount;
-    this.blurIterations;
-    this.blurMin;
-    this.blurMax;
-    this.blurDelta;
-    this.blurAlpha;
+    this.blurDecay = null;
+    this.blurAmount = null;
+    this.blurIterations = null;
+    this.blurMin = null;
+    this.blurMax = null;
+    this.blurDelta = null;
+    this.blurAlpha = null;
     // dynamic
     this.blurStart = 0;
     this.blurDistance = 0;
@@ -51,7 +51,7 @@ function HuesCanvas(element, aContext, core) {
 
     this.blackout = false;
     this.blackoutColour = "#000"; // for the whiteout case we must store this
-    this.blackoutTimeout;
+    this.blackoutTimeout = null;
 
     this.colourFade = false;
     this.colourFadeStart=0;

js/HuesCore.js

@@ -24,8 +24,8 @@ HuesCore = function(defaults) {
     this.version = "0x01";
     this.beatIndex = 0;
     this.beatLength=-1;
-    this.currentSong;
-    this.currentImage;
+    this.currentSong = null;
+    this.currentImage = null;
     this.songIndex=-1;
     this.colourIndex=0x3f;
     this.imageIndex=-1;

js/ResourcePack.js

@@ -346,7 +346,7 @@ Respack.prototype.parseImageFile = function(text) {
                 debug("  WARNING!", image.name, "has no full name!");
             }
             image.source = el.getTag("source");
-            // self reference strings to avoid changing strings twice in future
+            // self reference defaults to avoid changing strings twice in future
             image.align = el.getTag("align", image.align);
             var frameDur = el.getTag("frameDuration");
             if(frameDur) {