diff --git a/bonzo.js b/bonzo.js
index 7c5b37a..b6f3740 100644
--- a/bonzo.js
+++ b/bonzo.js
@@ -13,7 +13,7 @@
     , html = doc.documentElement
     , parentNode = 'parentNode'
     , query = null // used for setting a selector engine host
-    , specialAttributes = /^(checked|value|selected)$/i
+    , specialAttributes = /^(checked|value|selected|disabled)$/i
     , specialTags = /^(select|fieldset|table|tbody|tfoot|td|tr|colgroup)$/i // tags that we have trouble inserting *into*
     , table = ['<table>', '</table>', 1]
     , td = ['<table><tbody><tr>', '</tr></tbody></table>', 3]
@@ -29,7 +29,7 @@
         , option: option, optgroup: option
         , script: noscope, style: noscope, link: noscope, param: noscope, base: noscope
       }
-    , stateAttributes = /^(checked|selected)$/
+    , stateAttributes = /^(checked|selected|disabled)$/
     , ie = /msie/i.test(navigator.userAgent)
     , hasClass, addClass, removeClass
     , uidMap = {}
@@ -618,7 +618,7 @@
        * @return {Bonzo}
        */
     , show: function (opt_type) {
-        opt_type = typeof opt_type == 'string' ? opt_type : '' 
+        opt_type = typeof opt_type == 'string' ? opt_type : ''
         return this.each(function (el) {
           el.style.display = opt_type
         })
@@ -642,9 +642,10 @@
        */
     , toggle: function (opt_callback, opt_type) {
         opt_type = typeof opt_type == 'string' ? opt_type : '';
+        typeof opt_callback != 'function' && (opt_callback = null)
         return this.each(function (el) {
           el.style.display = (el.offsetWidth || el.offsetHeight) ? 'none' : opt_type;
-          typeof opt_callback == 'function' && opt_callback.call(el)
+          opt_callback && opt_callback.call(el)
         })
       }
 
diff --git a/bonzo.min.js b/bonzo.min.js
index ee6a2b5..1037e55 100644
--- a/bonzo.min.js
+++ b/bonzo.min.js
@@ -3,4 +3,4 @@
   * https://github.com/ded/bonzo
   * License MIT
   */
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diff --git a/package.json b/package.json
index fb38f76..d2c9a0e 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
     "name": "bonzo"
   , "description": "Library agnostic, extensible DOM utility"
-  , "version": "1.2.0-1"
+  , "version": "1.2.1"
   , "homepage": "https://github.com/ded/bonzo"
   , "author": "Dustin Diaz <dustin@dustindiaz.com> (http://dustindiaz.com)"
   , "contributors": [