X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcss.js;h=973462b629616b6775c2614e9baec022453ffedc;hb=a073ee85963518be605018550eeb530180e2287f;hp=b8a1350052688f05b87f3d67641807b68e201148;hpb=8be57929750eac38b0eb331cd99def3d88302cc1;p=jquery.git

diff --git a/src/css.js b/src/css.js
index b8a1350..973462b 100644
--- a/src/css.js
+++ b/src/css.js
@@ -8,10 +8,6 @@ var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i,
 jQuery.fn.css = function( name, value ) {
 	var options = name, isFunction = jQuery.isFunction( value );
 
-	// ignore negative width and height values
-	if ( (name == 'width' || name == 'height') && parseFloat(value) < 0 )
-		value = undefined;
-
 	if ( typeof name === "string" ) {
 		// Are we setting the style?
 		if ( value === undefined ) {
@@ -55,6 +51,10 @@ jQuery.extend({
 		if (!elem || elem.nodeType == 3 || elem.nodeType == 8)
 			return undefined;
 
+		// ignore negative width and height values #1599
+		if ( (name == 'width' || name == 'height') && parseFloat(value) < 0 )
+			value = undefined;
+
 		var style = elem.style || elem, set = value !== undefined;
 
 		// IE uses filters for opacity
@@ -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 === "" ?