From 7fa11d7b299d3ee3f50e4ad92665e86dc8cbd992 Mon Sep 17 00:00:00 2001
From: Ivan Tcholakov <ivantcholakov@gmail.com>
Date: Sat, 8 Jan 2011 22:44:53 +0200
Subject: [PATCH] Feature #2132 - Suppressing a javascrit error.

---
 main/inc/lib/asciimath/ASCIIMathML.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/main/inc/lib/asciimath/ASCIIMathML.js b/main/inc/lib/asciimath/ASCIIMathML.js
index 764fffbcec..6cbdc04129 100755
--- a/main/inc/lib/asciimath/ASCIIMathML.js
+++ b/main/inc/lib/asciimath/ASCIIMathML.js
@@ -4628,6 +4628,12 @@ function displayCoord(evt) {
     var nl = svgroot.childNodes;
     for (var i=0; i<nl.length && nl.item(i).nodeName!="text"; i++);
     var cnode = nl.item(i);
+    // Added by Ivan Tcholakov, 08-JAN-2011.
+    // Suppresing a javasript error that occurs on Opera 11.
+    if (typeof cnode != 'object') {
+        return;
+    }
+    //
     cnode.mtext = mtext;
     cnode.mtext([svgroot.getAttribute("width")-(-7),svgroot.getAttribute("height")-7],"("+getX(evt).toFixed(2)+", "+getY(evt).toFixed(2)+")", "left", "", "11");
 /*    var dnode = nl.item(i+1);