Fixes issue #1702.
insertListItem current created an option element with the wrong
owner document. This causes errors in FF3 preview builds.

Review by: ecc


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@1533 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/user/src/com/google/gwt/user/client/impl/DOMImpl.java b/user/src/com/google/gwt/user/client/impl/DOMImpl.java
index 0ea3949..76adad8 100644
--- a/user/src/com/google/gwt/user/client/impl/DOMImpl.java
+++ b/user/src/com/google/gwt/user/client/impl/DOMImpl.java
@@ -274,7 +274,7 @@
    */
   public native void insertListItem(Element select, String item, String value,
       int index) /*-{
-    var option = new Option(item, value);
+    var option = new $wnd.Option(item, value);
     if (index == -1 || index > select.options.length - 1) {
       select.add(option, null);
     } else {