Extra condition so it doesn't crash in IE8

diff --git a/js/foundation/foundation.js b/js/foundation/foundation.js
index 2a2767ae08ec92970cd61e731136bc7c2a038797..85ba2dd4b715c8856f5e00d7963ab185c61e420a 100644 (file)
--- a/js/foundation/foundation.js
+++ b/js/foundation/foundation.js
@@ -542,7 +542,7 @@
       //    Media (String): Optional media query string for the CSS rule to be 
       //    nested under.
       add_custom_rule : function (rule, media) {
-        if (media === undefined) {
+        if (media === undefined && Foundation.stylesheet) {
           Foundation.stylesheet.insertRule(rule, Foundation.stylesheet.cssRules.length);
         } else {
           var query = Foundation.media_queries[media];