Effects: Avoid cssHook blending in non-rgba browsers when the value i…

…s "transparent". Fixes #8914: odd behaviour of css hook when setting backgroundColor to transparent in IE7/8

ui/jquery.ui.effect.js

@@ -17,14 +17,14 @@ $.effects = {
 };
 
 /*!
- * jQuery Color Animations v2.1.1
+ * jQuery Color Animations v2.1.2pre@b11ed286205199b8db74220cd237c4f045050e63
  * https://github.com/jquery/jquery-color
  *
  * Copyright 2012 jQuery Foundation and other contributors
  * Released under the MIT license.
  * http://jquery.org/license
  *
- * Date: Sun Oct 28 15:08:06 2012 -0400
+ * Date: Thu Jan 3 14:21:32 2013 -0500
  */
 (function( jQuery, undefined ) {
 
@@ -596,7 +596,7 @@ color.hook = function( hook ) {
 				var parsed, curElem,
 					backgroundColor = "";
 
-				if ( jQuery.type( value ) !== "string" || ( parsed = stringParse( value ) ) ) {
+				if ( value !== "transparent" && ( jQuery.type( value ) !== "string" || ( parsed = stringParse( value ) ) ) ) {
 					value = color( parsed || value );
 					if ( !support.rgba && value._rgba[ 3 ] !== 1 ) {
 						curElem = hook === "backgroundColor" ? elem.parentNode : elem;