Upgrade to Prototype 1.4.0_rc1

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2672 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/lib/action_view/helpers/javascripts/prototype.js

@@ -1,4 +1,4 @@
-/*  Prototype JavaScript framework, version 1.4.0_rc0
+/*  Prototype JavaScript framework, version 1.4.0_rc1
  *  (c) 2005 Sam Stephenson <sam@conio.net>
  *
  *  THIS FILE IS AUTOMATICALLY GENERATED. When sending patches, please diff
@@ -11,7 +11,7 @@
 /*--------------------------------------------------------------------------*/
 
 var Prototype = {
-  Version: '1.4.0_rc0',
+  Version: '1.4.0_rc1',
 
   emptyFunction: function() {},
   K: function(x) {return x}
@@ -607,8 +607,8 @@ Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
 
     try {
       this.url = url;
-      if (this.options.method == 'get')
-        this.url += '?' + parameters;
+      if (this.options.method == 'get' && parameters.length > 0)
+        this.url += (this.url.match(/\?/) ? '&' : '?') + parameters;
 
       Ajax.Responders.dispatch('onCreate', this, this.transport);
 
@@ -626,6 +626,8 @@ Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
       this.transport.send(this.options.method == 'post' ? body : null);
 
     } catch (e) {
+      (this.options.onException || Prototype.emptyFunction)(this, e);
+      Ajax.Responders.dispatch('onException', this, e);
     }
   },
 
@@ -783,7 +785,7 @@ Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
   }
 });
 document.getElementsByClassName = function(className, parentElement) {
-  var children = (document.body || $(parentElement)).getElementsByTagName('*');
+  var children = ($(parentElement) || document.body).getElementsByTagName('*');
   return $A(children).inject([], function(elements, child) {
     if (Element.hasClassName(child, className))
       elements.push(child);