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

lib/OpenLayers/Layer/ArcGISCache.js

@@ -430,7 +430,7 @@ OpenLayers.Layer.ArcGISCache = OpenLayers.Class(OpenLayers.Layer.XYZ, {
         var url = this.url;
         var s = '' + x + y + z;
 
-        if (url instanceof Array) {
+        if (OpenLayers.Util.isArray(url)) {
             url = this.selectUrl(s, url);
         }
 

lib/OpenLayers/Layer/HTTPRequest.js

@@ -209,7 +209,7 @@ OpenLayers.Layer.HTTPRequest = OpenLayers.Class(OpenLayers.Layer, {
         // in which case we will deterministically select one of them in 
         // order to evenly distribute requests to different urls.
         //
-        if (url instanceof Array) {
+        if (OpenLayers.Util.isArray(url)) {
             url = this.selectUrl(paramsString, url);
         }   
  

lib/OpenLayers/Layer/KaMapCache.js

@@ -117,7 +117,7 @@ OpenLayers.Layer.KaMapCache = OpenLayers.Class(OpenLayers.Layer.KaMap, {
         // order to evenly distribute requests to different urls.
         //
         var url = this.url;
-        if (url instanceof Array) {
+        if (OpenLayers.Util.isArray(url)) {
             url = this.selectUrl(paramsString, url);
         }  
     

lib/OpenLayers/Layer/MapServer.js

@@ -136,7 +136,7 @@ OpenLayers.Layer.MapServer = OpenLayers.Class(OpenLayers.Layer.Grid, {
         // if url is not a string, it should be an array of strings, 
         // in which case we will deterministically select one of them in 
         // order to evenly distribute requests to different urls.
-        if (url instanceof Array) {
+        if (OpenLayers.Util.isArray(url)) {
             url = this.selectUrl(paramsString, url);
         }   
         

lib/OpenLayers/Layer/TMS.js

@@ -129,7 +129,7 @@ OpenLayers.Layer.TMS = OpenLayers.Class(OpenLayers.Layer.Grid, {
             this.map.getZoom() + this.zoomOffset;
         var path = this.serviceVersion + "/" + this.layername + "/" + z + "/" + x + "/" + y + "." + this.type; 
         var url = this.url;
-        if (url instanceof Array) {
+        if (OpenLayers.Util.isArray(url)) {
             url = this.selectUrl(path, url);
         }
         return url + path;

lib/OpenLayers/Layer/TileCache.js

@@ -138,7 +138,7 @@ OpenLayers.Layer.TileCache = OpenLayers.Class(OpenLayers.Layer.Grid, {
         ];
         var path = components.join('/'); 
         var url = this.url;
-        if (url instanceof Array) {
+        if (OpenLayers.Util.isArray(url)) {
             url = this.selectUrl(path, url);
         }
         url = (url.charAt(url.length - 1) == '/') ? url : url + '/';

lib/OpenLayers/Layer/Vector.js

@@ -554,7 +554,7 @@ OpenLayers.Layer.Vector = OpenLayers.Class(OpenLayers.Layer, {
      * options - {Object}
      */
     addFeatures: function(features, options) {
-        if (!(features instanceof Array)) {
+        if (!(OpenLayers.Util.isArray(features))) {
             features = [features];
         }
         
@@ -643,7 +643,7 @@ OpenLayers.Layer.Vector = OpenLayers.Class(OpenLayers.Layer, {
         if (features === this.features) {
             return this.removeAllFeatures(options);
         }
-        if (!(features instanceof Array)) {
+        if (!(OpenLayers.Util.isArray(features))) {
             features = [features];
         }
         if (features === this.selectedFeatures) {

lib/OpenLayers/Layer/WMTS.js

@@ -408,7 +408,7 @@ OpenLayers.Layer.WMTS = OpenLayers.Class(OpenLayers.Layer.Grid, {
                 path = path + this.matrixSet + "/" + this.matrix.identifier + 
                     "/" + info.row + "/" + info.col + "." + this.formatSuffix;
                 
-                if (this.url instanceof Array) {
+                if (OpenLayers.Util.isArray(this.url)) {
                     url = this.selectUrl(path, this.url);
                 } else {
                     url = this.url;

lib/OpenLayers/Layer/XYZ.js

@@ -120,7 +120,7 @@ OpenLayers.Layer.XYZ = OpenLayers.Class(OpenLayers.Layer.Grid, {
     getURL: function (bounds) {
         var xyz = this.getXYZ(bounds);
         var url = this.url;
-        if (url instanceof Array) {
+        if (OpenLayers.Util.isArray(url)) {
             var s = '' + xyz.x + xyz.y + xyz.z;
             url = this.selectUrl(s, url);
         }

lib/OpenLayers/Layer/Zoomify.js

@@ -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;