From 6c94af703d1db66b9310c8736f77007ad68c2e0d Mon Sep 17 00:00:00 2001
From: Thomas Fuchs <thomas@fesch.at>
Date: Mon, 27 Aug 2007 18:37:49 +0000
Subject: [PATCH] Make sure setting opacity works on elements that have "no
 layout" in IE.

---
 CHANGELOG  | 2 ++
 src/dom.js | 1 +
 2 files changed, 3 insertions(+)

diff --git a/CHANGELOG b/CHANGELOG
index d70cd78..bba031d 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,7 @@
 *SVN*
 
+* Make sure setting opacity works on elements that have "no layout" in IE.  [Thomas Fuchs]
+
 * Simplify Class.create by establishing a prototype chain when subclassing.  Closes #9342.  [Ben Newman]
 
 * Fix Ajax.PeriodicalUpdater for compatibility with Ajax.Response.  Closes #9321.  [kampers]
diff --git a/src/dom.js b/src/dom.js
index f99c5d2..b17e1ee 100644
--- a/src/dom.js
+++ b/src/dom.js
@@ -780,6 +780,7 @@ else if (Prototype.Browser.IE) {
       return filter.replace(/alpha\([^\)]*\)/gi,'');
     }
     element = $(element);
+    if (!element.currentStyle.hasLayout) element.style.zoom = 1;
     var filter = element.getStyle('filter'), style = element.style;
     if (value == 1 || value === '') {
       (filter = stripAlpha(filter)) ?