X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcss.js;h=94a021b6ab48b3047057a5ac009b481ca1b4024d;hb=d828ff75a45bc1f232e607806c930e98d7256fc6;hp=12f9d514e74b3f6c8f0dd59ff6d5bbb8bc69da35;hpb=ec3ebd3e8a7dfda15d227ea3dd21361e534beac3;p=jquery.git

diff --git a/src/css.js b/src/css.js
index 12f9d51..94a021b 100644
--- a/src/css.js
+++ b/src/css.js
@@ -21,6 +21,13 @@ jQuery.fn.css = function( name, value ) {
 			options[ name ] = value;
 		}
 	}
+	
+	var isFunction = {};
+	
+	// For each value, determine whether it's a Function so we don't
+	// need to determine it again for each element
+	for ( var prop in options )
+		isFunction[prop] = jQuery.isFunction( options[prop] );
 
 	// For each element...
 	for ( var i = 0, l = this.length; i < l; i++ ) {
@@ -30,9 +37,7 @@ jQuery.fn.css = function( name, value ) {
 		for ( var prop in options ) {
 			value = options[prop];
 
-			if ( isFunction ) {
-				value = value.call( elem, i );
-			}
+			if ( isFunction[prop] ) value = value.call( elem, i );
 
 			if ( typeof value === "number" && !exclude.test(prop) ) {
 				value = value + "px";
@@ -123,15 +128,9 @@ jQuery.extend({
 		var ret, style = elem.style, filter;
 
 		// IE uses filters for opacity
-		if ( !jQuery.support.opacity && name == "opacity" ) {
-			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) + '':
+		if ( !jQuery.support.opacity && name === "opacity" && elem.currentStyle ) {
+			ret = (elem.currentStyle.filter || "").match(/opacity=([^)]*)/) ?
+				(parseFloat(RegExp.$1) / 100) + "" :
 				"";
 
 			return ret === "" ?