fhemweb.js: avoid the crash on the "home" page

git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@5150 2b470e98-0d58-463d-a4d8-8e2adae1ed80
2014-03-06 19:27:43 +00:00
parent 677bdf8283
commit df6dc6dc96
1 changed files with 6 additions and 3 deletions
--- a/fhem/www/pgm2/fhemweb.js
+++ b/fhem/www/pgm2/fhemweb.js
@@ -139,9 +139,12 @@ FW_longpoll()
    filter=".*;iconPath="+name;
  }
  if(filter == "") {
-    var room = document.getElementById("content").getAttribute("room");
-    if(room)
-      filter="room="+room;
+    var content = document.getElementById("content");
+    if(content) {
+      var room = content.getAttribute("room");
+      if(room)
+        filter="room="+room;
+    }
  }

  var iP = document.body.getAttribute("iconPath");