Fix IE bug with link_to "something", :post => true (closes #3443) [Justin Palmer]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3453 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

 *SVN*
 
+* Fix IE bug with link_to "something", :post => true #3443 [Justin Palmer]
+
 * Extract Test::Unit::TestCase test process behavior into an ActionController::TestProcess module. [Sam Stephenson]
 
 * Pass along blocks from render_to_string to render. [Sam Stephenson]

actionpack/lib/action_view/helpers/url_helper.rb

@@ -269,7 +269,7 @@ def popup_javascript_function(popup)
         end
         
         def post_javascript_function
-          "f = document.createElement('form'); document.body.appendChild(f); f.method = 'POST'; f.action = this.href; f.submit();"
+          "var f = document.createElement('form'); document.body.appendChild(f); f.method = 'POST'; f.action = this.href; f.submit();"
         end
 
         # Processes the _html_options_ hash, converting the boolean