Create a function -- OpenLayers.Util.getElement -- which replaces "$". This

should be used in all library code. This patch replaces all uses of "$()" in
existing code. The primary reason for this is to avoid conflicts with libraries
(like Prototype) which might redefine this function differently.


git-svn-id: http://svn.openlayers.org/trunk/openlayers@2541 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Util.js

@@ -8,25 +8,31 @@
  */
 OpenLayers.Util = new Object();
 
-/* from Prototype.js */
-if ($ == null) {
-    var $ = function () {
-      var elements = new Array();
+/** 
+ * This is the old $() from prototype
+ */
+OpenLayers.Util.getElement = function() {
+    var elements = new Array();
 
-      for (var i = 0; i < arguments.length; i++) {
+    for (var i = 0; i < arguments.length; i++) {
         var element = arguments[i];
-        if (typeof element == 'string')
-          element = document.getElementById(element);
-
-        if (arguments.length == 1)
-          return element;
-
+        if (typeof element == 'string') {
+            element = document.getElementById(element);
+        }
+        if (arguments.length == 1) {
+            return element;
+        }
         elements.push(element);
-      }
-
-      return elements;
     }
-} 
+    return elements;
+};
+
+/** 
+ * Maintain $() from prototype
+ */
+if ($ == null) {
+    var $ = OpenLayers.Util.getElement;
+}
 
 /* from Prototype.js */
 OpenLayers.Util.extend = function(destination, source) {