--- trunk2/out/js/usage.js	2004/10/10 09:33:57	499
+++ trunk2/out/js/usage.js	2004/10/19 16:30:12	529
@@ -28,8 +28,9 @@
 function go(f)
 {
   var form = document.getElementById('search');
-  var query = form.elements['query'].value;
-  var index_name = form.elements['index_name'].options[form.elements['index_name'].selectedIndex].value;
+  var query = null;
+  if (document.form.elements['query']) query = document.form.elements['query'].value;
+  var index_name = document.form.elements['index_name'].options[document.form.elements['index_name'].selectedIndex].value;
 
   if(!query)
   {