From 871a790f3f519e1fc273ce45ae510adcb598bc5d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Junod?= <frederic.junod@camptocamp.com>
Date: Thu, 7 Jan 2010 07:22:05 +0000
Subject: [PATCH] cache the result of the OpenLayers._getScriptLocation
 function. r=ahocevar (closes #2389)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@9935 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
---
 lib/OpenLayers.js | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/lib/OpenLayers.js b/lib/OpenLayers.js
index a27cdadfef..5cbefbb5ed 100644
--- a/lib/OpenLayers.js
+++ b/lib/OpenLayers.js
@@ -17,6 +17,12 @@
      */
     var singleFile = (typeof OpenLayers == "object" && OpenLayers.singleFile);
     
+    /**
+     * Cache for the script location returned from
+     * OpenLayers._getScriptLocation
+     */
+    var scriptLocation;
+    
     /**
      * Namespace: OpenLayers
      * The OpenLayers object provides a namespace for all things OpenLayers
@@ -37,7 +43,10 @@
          * {String} Path to this script
          */
         _getScriptLocation: function () {
-            var scriptLocation = "";            
+            if(scriptLocation) {
+                return scriptLocation;
+            }
+            scriptLocation = "";            
             var isOL = new RegExp("(^|(.*?\\/))(" + OpenLayers._scriptName + ")(\\?|$)");
          
             var scripts = document.getElementsByTagName('script');