X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=ce487a10f4d10bdc48bf01a940ef46d277d1c25c;hb=76e3a901530609d3c4a695ccb8a48251445c6861;hp=bd6d929d5a4277dc96690efbb19a1b6a75de56b6;hpb=37902e86b158eaa90f44d0932063d22df3050326;p=jquery.git

diff --git a/src/core.js b/src/core.js
index bd6d929..ce487a1 100644
--- a/src/core.js
+++ b/src/core.js
@@ -917,6 +917,8 @@ jQuery.extend({
 	clean: function( elems, context ) {
 		var ret = [];
 		context = context || document;
+		if (!context.createElement) 
+			context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
 
 		jQuery.each(elems, function(i, elem){
 			if ( !elem )
@@ -1064,7 +1066,7 @@ jQuery.extend({
 						(parseFloat( value ).toString() == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
 				}
 	
-				return elem.filter ? 
+				return elem.filter && elem.filter.indexOf("opacity=") >= 0 ?
 					(parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).toString() :
 					"";
 			}