accordion: chaining breaks if value in height() is negative (fixes #4102)

diff --git a/ui/ui.accordion.js b/ui/ui.accordion.js
index 5879bbf90c6940e046d7d91d229361d04117bcc6..679f7a01747adad51119d7ecedd1a2d211683c6b 100644 (file)
--- a/ui/ui.accordion.js
+++ b/ui/ui.accordion.js
@@ -185,7 +185,7 @@ $.widget("ui.accordion", {
                        var maxPadding = 0;
                        this.headers.next().each(function() {
                                maxPadding = Math.max(maxPadding, $(this).innerHeight() - $(this).height());
-                       }).height(maxHeight - maxPadding)
+                       }).height(Math.max(0, maxHeight - maxPadding))
                        .css('overflow', 'auto');
 
                } else if ( o.autoHeight ) {