Fix enlarging in ImageViewer

diff --git a/wcfsetup/install/files/js/WCF.ImageViewer.js b/wcfsetup/install/files/js/WCF.ImageViewer.js
index 183db1a07412cc8f615ce5b5fadb38464799caf8..caf4ce0a5e89858cb4b02ef15d7798838eb37850 100644 (file)
--- a/wcfsetup/install/files/js/WCF.ImageViewer.js
+++ b/wcfsetup/install/files/js/WCF.ImageViewer.js
@@ -62,7 +62,7 @@ WCF.ImageViewer = Class.extend({
        _enlarge: function() {
                var $url = $('#lbImage').css('backgroundImage');
                if ($url) {
-                       $url = $url.substring(4, $url.length - 1);
+                       $url = $url.replace(/^url\((["']?)(.*)\1\)$/, '$2');
                        window.location = $url;
                }
        },