More robust array type check. p=mwootendev, r=me (closes #2959)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@12095 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2011-06-16 19:16:25 +00:00
parent 54cccc0783
commit 995d612caa
43 changed files with 97 additions and 59 deletions
@@ -211,7 +211,7 @@ OpenLayers.Layer.Zoomify = OpenLayers.Class(OpenLayers.Layer.Grid, {
        var path = "TileGroup" + Math.floor( (tileIndex) / 256 ) +
            "/" + z + "-" + x + "-" + y + ".jpg";
        var url = this.url;
-        if (url instanceof Array) {
+        if (OpenLayers.Util.isArray(url)) {
            url = this.selectUrl(path, url);
        }
        return url + path;