From: Dennis Schafroth <dennis@indexdata.com>
Date: Wed, 16 May 2012 11:46:17 +0000 (+0200)
Subject: Attempt to fix 5709. Has not been able to reproduce before or after
X-Git-Tag: v1.6.13~4
X-Git-Url: http://sru.miketaylor.org.uk/cgi-bin?a=commitdiff_plain;h=3fdae2167ba2d9bb2f1be79bf19d1d03a67aca88;p=pazpar2-moved-to-github.git

Attempt to fix 5709. Has not been able to reproduce before or after
---

diff --git a/js/pz2.js b/js/pz2.js
index e2335da..e2c4cba 100644
--- a/js/pz2.js
+++ b/js/pz2.js
@@ -442,8 +442,9 @@ pz2.prototype =
               context.throwError('Show failed. Malformed WS resonse.',
                   114);
             };
+	    
 	    var approxNode = data.getElementsByTagName("approximation");
-	    if (approxNode)
+	    if (approxNode && approxNode[0] && approxNode[0].childNodes[0] && approxNode[0].childNodes[0].nodeValue)
 		show['approximation'] = 
 		  Number( approxNode[0].childNodes[0].nodeValue);