opacity is now retrieved from stylesheet in IE. fixes #3981

[jquery.git] / src / css.js

diff --git a/src/css.js b/src/css.js
index f77497b..12f9d51 100644 (file)
--- a/src/css.js
+++ b/src/css.js
@@ -120,12 +120,18 @@ jQuery.extend({
        },
 
        curCSS: function( elem, name, force ) {
-               var ret, style = elem.style;
+               var ret, style = elem.style, filter;
 
                // IE uses filters for opacity
                if ( !jQuery.support.opacity && name == "opacity" ) {
-                       ret = style.filter && style.filter.indexOf("opacity=") >= 0 ?
-                               (parseFloat( style.filter.match(/opacity=([^)]*)/)[1] ) / 100) + '':
+                       filter = (filter = style.filter) && filter.indexOf("opacity=") >= 0 ?
+                               filter :
+                               (filter = elem.currentStyle[ 'filter' ]) && filter.indexOf("opacity=") >= 0 ?
+                                       filter :
+                                       null;
+
+                       ret = filter && filter.indexOf("opacity=") >= 0 ?
+                               (parseFloat( filter.match(/opacity=([^)]*)/)[1] ) / 100) + '':
                                "";
 
                        return ret === "" ?