FELIX-592 use firstChild property instead of innerHTML to check
for element content

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@671483 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/webconsole/src/main/resources/res/ui/datatable.js b/webconsole/src/main/resources/res/ui/datatable.js
index 6dd155a..7573306 100644
--- a/webconsole/src/main/resources/res/ui/datatable.js
+++ b/webconsole/src/main/resources/res/ui/datatable.js
@@ -206,7 +206,7 @@
     var span = document.getElementById( 'entry' + id + '_details' );
     if (span)
     {
-        if (span.innerHTML)
+        if (span.firstChild)
         {
             clearChildren( span );
             newLinkValue( id, appRoot + "/res/imgs/right.gif" );