coding style: add braces around test, use {} instead of new Array(), remove unused variable

git-svn-id: http://svn.openlayers.org/trunk/openlayers@10473 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Handler/RegularPolygon.js

@@ -134,7 +134,7 @@ OpenLayers.Handler.RegularPolygon = OpenLayers.Class(OpenLayers.Handler.Drag, {
 
         OpenLayers.Handler.prototype.initialize.apply(this,
                                                 [control, callbacks, options]);
-        this.options = (options) ? options : new Object();
+        this.options = (options) ? options : {};
     },
     
     /**
@@ -318,7 +318,7 @@ OpenLayers.Handler.RegularPolygon = OpenLayers.Class(OpenLayers.Handler.Drag, {
      * Modify the polygon geometry in place.
      */
     modifyGeometry: function() {
-        var angle, dx, dy, point;
+        var angle, point;
         var ring = this.feature.geometry.components[0];
         // if the number of sides ever changes, create a new geometry
         if(ring.components.length != (this.sides + 1)) {

lib/OpenLayers/Tile/Image.js

@@ -317,9 +317,9 @@ OpenLayers.Tile.Image = OpenLayers.Class(OpenLayers.Tile, {
      positionImage: function() {
         // if the this layer doesn't exist at the point the image is
         // returned, do not attempt to use it for size computation
-        if ( this.layer == null )
+        if (this.layer === null) {
             return;
-        
+        }
         // position the frame 
         OpenLayers.Util.modifyDOMElement(this.frame, 
                                           null, this.position, this.size);