From 69cdc2ccd044a3adc75b20447254465b5cc0df87 Mon Sep 17 00:00:00 2001
From: Tom Robinson <tom@280north.com>
Date: Thu, 8 Oct 2009 21:41:35 -0700
Subject: [PATCH] Check for "system", fixes press.

---
 Objective-J/evaluate.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Objective-J/evaluate.js b/Objective-J/evaluate.js
index 50a902d63..02e33aaf3 100644
--- a/Objective-J/evaluate.js
+++ b/Objective-J/evaluate.js
@@ -159,7 +159,7 @@ function fragment_evaluate_code(aFragment)
     {
 #if RHINO
         var functionText = "function(){"+GET_CODE(aFragment)+"/**/\n}";
-        if (system.engine === "rhino")
+        if (typeof system !== "undefined" && system.engine === "rhino")
             compiled = Packages.org.mozilla.javascript.Context.getCurrentContext().compileFunction(window, functionText, GET_FILE(aFragment).path, 0, null);
         else
             compiled = eval(functionText);