Index: jquery.form.js
===================================================================
--- jquery.form.js	(revision 5889)
+++ jquery.form.js	(working copy)
@@ -105,6 +105,14 @@
         options.data = q; // data is the query string for 'post'
 
     var $form = this, callbacks = [];
+    if (options.disableWith) {
+      var submitButton = this.find('input[@type=submit]');
+      var submitButtonOldValue = submitButton.attr('value');
+      options.complete = function() {
+        submitButton.attr('value',submitButtonOldValue).attr('disabled',false);
+      }
+      submitButton.attr('value',options.disableWith).attr('disabled',true).blur();
+    }
     if (options.resetForm) callbacks.push(function() { $form.resetForm(); });
     if (options.clearForm) callbacks.push(function() { $form.clearForm(); });