Avoiding unnecessary repeated checks of navigator.userAgent. The constants added here should not be used outside the library. In the future, they should be removed from the library. r=ahocevar (closes #2911)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@10868 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer/EventPane.js

@@ -102,7 +102,7 @@ OpenLayers.Layer.EventPane = OpenLayers.Class(OpenLayers.Layer, {
         this.pane.style.display = this.div.style.display;
         this.pane.style.width="100%";
         this.pane.style.height="100%";
-        if (OpenLayers.Util.getBrowserName() == "msie") {
+        if (OpenLayers.BROWSER_NAME == "msie") {
             this.pane.style.background = 
                 "url(" + OpenLayers.Util.getImagesLocation() + "blank.gif)";
         }

lib/OpenLayers/Layer/Vector.js

@@ -476,7 +476,7 @@ OpenLayers.Layer.Vector = OpenLayers.Class(OpenLayers.Layer, {
             // Force a reflow on gecko based browsers to prevent jump/flicker.
             // This seems to happen on only certain configurations; it was originally
             // noticed in FF 2.0 and Linux.
-            if (navigator.userAgent.toLowerCase().indexOf("gecko") != -1) {
+            if (OpenLayers.IS_GECKO === true) {
                 this.div.scrollLeft = this.div.scrollLeft;
             }
             

lib/OpenLayers/Layer/WMS/Post.js

@@ -33,7 +33,7 @@ OpenLayers.Layer.WMS.Post = OpenLayers.Class(OpenLayers.Layer.WMS, {
      * effects of viewport-shaking when panning the map. Both browsers, Opera
      * and Firefox/Mozilla, have no problem with long urls, which is the reason
      * for using POST instead of GET. The strings to pass to this array are
-     * the ones returned by <OpenLayers.Util.getBrowserName()>.
+     * the ones returned by <OpenLayers.BROWSER_NAME>.
      */
     unsupportedBrowsers: ["mozilla", "firefox", "opera"],
 
@@ -77,7 +77,7 @@ OpenLayers.Layer.WMS.Post = OpenLayers.Class(OpenLayers.Layer.WMS, {
         OpenLayers.Layer.WMS.prototype.initialize.apply(this, newArguments);
 
         this.usePost = OpenLayers.Util.indexOf(
-            this.unsupportedBrowsers, OpenLayers.Util.getBrowserName()) == -1;
+            this.unsupportedBrowsers, OpenLayers.BROWSER_NAME) == -1;
     },
     
     /**