Merge branch 'bug7422' of https://github.com/csnover/jquery into csnover-bug7422

diff --combined src/ajax.js
index 9195bcc,690bcb5..d10b931
--- 1/src/ajax.js
--- 2/src/ajax.js
+++ b/src/ajax.js
@@@ -463,10 -463,11 +463,11 @@@ jQuery.extend(
                try {
                        var oldAbort = xhr.abort;
                        xhr.abort = function() {
-                               // xhr.abort in IE7 is not a native JS function
-                               // and does not have a call property
-                               if ( xhr && oldAbort.call ) {
-                                       oldAbort.call( xhr );
+                               if ( xhr ) {
+                                       // oldAbort has no call property in IE7 so
+                                       // just do it this way, which works in all
+                                       // browsers
+                                       Function.prototype.call.call( oldAbort, xhr );
                                }
  
                                onreadystatechange( "abort" );
@@@ -506,12 -507,11 +507,12 @@@
        // Serialize an array of form elements or a set of
        // key/values into a query string
        param: function( a, traditional ) {
 -              var s = [], add = function( key, value ) {
 -                      // If value is a function, invoke it and return its value
 -                      value = jQuery.isFunction(value) ? value() : value;
 -                      s[ s.length ] = encodeURIComponent(key) + "=" + encodeURIComponent(value);
 -              };
 +              var s = [],
 +                      add = function( key, value ) {
 +                              // If value is a function, invoke it and return its value
 +                              value = jQuery.isFunction(value) ? value() : value;
 +                              s[ s.length ] = encodeURIComponent(key) + "=" + encodeURIComponent(value);
 +                      };
                
                // Set traditional to true for jQuery <= 1.3.2 behavior.
                if ( traditional === undefined ) {