-/**
- * Namespace: Util.OSM
- */
-OpenLayers.Util.OSM = {};
-
-/**
- * Constant: MISSING_TILE_URL
- * {String} URL of image to display for missing tiles
- */
-OpenLayers.Util.OSM.MISSING_TILE_URL = OpenLayers.Util.getImagesLocation() + "404.png";
-
-/**
- * Property: originalOnImageLoadError
- * {Function} Original onImageLoadError function.
- */
-OpenLayers.Util.OSM.originalOnImageLoadError = OpenLayers.Util.onImageLoadError;
-
-/**
- * Function: onImageLoadError
- */
-OpenLayers.Util.onImageLoadError = function() {
- if (this.src.match(/^http:\/\/[abc]\.[a-z]+\.openstreetmap\.org\//)) {
- this.src = OpenLayers.Util.OSM.MISSING_TILE_URL;
- } else if (this.src.match(/^http:\/\/[def]\.tah\.openstreetmap\.org\//)) {
- // do nothing - this layer is transparent
- } else {
- OpenLayers.Util.OSM.originalOnImageLoadError;
- }
-};
-