X-Git-Url: http://git.asbjorn.it/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcss.js;h=973462b629616b6775c2614e9baec022453ffedc;hb=d857315967a1cc07b73924bbdf2eb12f4f910c45;hp=f77497b4fb3866e1d00353cb5cd2a00b86372e69;hpb=6a049246a123d7da75430f875e9eee1ba3270722;p=jquery.git

diff --git a/src/css.js b/src/css.js
index f77497b..973462b 100644
--- a/src/css.js
+++ b/src/css.js
@@ -120,12 +120,12 @@ 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) + '':
+		if ( !jQuery.support.opacity && name === "opacity" && elem.currentStyle ) {
+			ret = (elem.currentStyle.filter || "").match(/opacity=([^)]*)/) ?
+				(parseFloat(RegExp.$1) / 100) + "" :
 				"";
 
 			return ret === "" ?