X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcss.js;h=1fbee3f4719639146de6b6b7290f547902ec8943;hb=3e38a861fee065fa1a6e7678eefe90b2379fed8e;hp=d0e55db0f4ed1b040a06e722e2374f8c01d51f10;hpb=b0dcc1746f58f5aca17a12794dd928c0deaaa6a0;p=jquery.git

diff --git a/src/css.js b/src/css.js
index d0e55db..1fbee3f 100644
--- a/src/css.js
+++ b/src/css.js
@@ -12,8 +12,8 @@ var ralpha = /alpha\([^)]*\)/i,
 	cssHeight = [ "Top", "Bottom" ],
 	curCSS,
 
-	// cache check for defaultView.getComputedStyle
-	getComputedStyle = document.defaultView && document.defaultView.getComputedStyle,
+	getComputedStyle,
+	currentStyle,
 
 	fcamelCase = function( all, letter ) {
 		return letter.toUpperCase();
@@ -169,7 +169,24 @@ jQuery.each(["height", "width"], function( i, name ) {
 					});
 				}
 
-				return val + "px";
+				if ( val <= 0 ) {
+					val = curCSS( elem, name, name );
+
+					if ( val === "0px" && currentStyle ) {
+						val = currentStyle( elem, name, name );
+					}
+
+					if ( val != null ) {
+						return val === "" ? "auto" : val;
+					}
+				}
+
+				if ( val < 0 || val == null ) {
+					val = elem.style[ name ];
+					return val === "" ? "auto" : val;
+				}
+
+				return typeof val === "string" ? val : val + "px";
 			}
 		},
 
@@ -218,8 +235,8 @@ if ( !jQuery.support.opacity ) {
 	};
 }
 
-if ( getComputedStyle ) {
-	curCSS = function( elem, newName, name ) {
+if ( document.defaultView && document.defaultView.getComputedStyle ) {
+	getComputedStyle = function( elem, newName, name ) {
 		var ret, defaultView, computedStyle;
 
 		name = name.replace( rupper, "-$1" ).toLowerCase();
@@ -230,13 +247,17 @@ if ( getComputedStyle ) {
 
 		if ( (computedStyle = defaultView.getComputedStyle( elem, null )) ) {
 			ret = computedStyle.getPropertyValue( name );
+			if ( ret === "" && !jQuery.contains( elem.ownerDocument.documentElement, elem ) ) {
+				ret = jQuery.style( elem, name );
+			}
 		}
 
 		return ret;
 	};
+}
 
-} else if ( document.documentElement.currentStyle ) {
-	curCSS = function( elem, name ) {
+if ( document.documentElement.currentStyle ) {
+	currentStyle = function( elem, name ) {
 		var left, rsLeft, ret = elem.currentStyle && elem.currentStyle[ name ], style = elem.style;
 
 		// From the awesome hack by Dean Edwards
@@ -259,10 +280,12 @@ if ( getComputedStyle ) {
 			elem.runtimeStyle.left = rsLeft;
 		}
 
-		return ret;
+		return ret === "" ? "auto" : ret;
 	};
 }
 
+curCSS = getComputedStyle || currentStyle;
+
 function getWH( elem, name, extra ) {
 	var which = name === "width" ? cssWidth : cssHeight,
 		val = name === "width" ? elem.offsetWidth : elem.offsetHeight;