Fix for #69: "Non-visible layers suffer deficiencies when turned on." Add the layerContainer offset to the pixel location of the images, to place them in the map correctly.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@669 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer/Grid.js

@@ -143,8 +143,8 @@ OpenLayers.Layer.Grid.prototype = Object.extend( new OpenLayers.Layer(), {
                                                        tileoffsetlat+tilelat);
 
                 var tile = this.addTile(tileBounds, 
-                                        new OpenLayers.Pixel(tileoffsetx,
-                                                             tileoffsety)
+                                        new OpenLayers.Pixel(tileoffsetx - parseInt(this.map.layerContainerDiv.style.left),
+                                                             tileoffsety - parseInt(this.map.layerContainerDiv.style.top))
                                                             );
                 tile.draw();
                 row.append(tile);