X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcss.js;h=99cb73581cd4430aeeb8bd2696b364514e0f849d;hb=2ca36598954759c5b5dce569a39c52b981ed4ab2;hp=61cdc48f90b80fe81dc9aa352c0de51c6134cb2a;hpb=558d96b42aab634e26a66ff337a03ae89be5b33b;p=jquery.git

diff --git a/src/css.js b/src/css.js
index 61cdc48..99cb735 100644
--- a/src/css.js
+++ b/src/css.js
@@ -1,6 +1,6 @@
 (function( jQuery ) {
 
-var ralpha = /alpha\([^)]*\)/,
+var ralpha = /alpha\([^)]*\)/i,
 	ropacity = /opacity=([^)]*)/,
 	rdashAlpha = /-([a-z])/ig,
 	rupper = /([A-Z])/g,
@@ -88,7 +88,11 @@ jQuery.extend({
 
 			// If a hook was provided, use that value, otherwise just set the specified value
 			if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value )) !== undefined ) {
-				style[ name ] = value;
+				// Wrapped to prevent IE from throwing errors when 'invalid' values are provided
+				// Fixes bug #5509
+				try {
+					style[ name ] = value;
+				} catch(e) {}
 			}
 
 		} else {
@@ -204,7 +208,7 @@ if ( !jQuery.support.opacity ) {
 
 			style.filter = ralpha.test(filter) ?
 				filter.replace(ralpha, opacity) :
-				opacity;
+				style.filter + ' ' + opacity;
 		}
 	};
 }