From dc43201dfee964a6cd3619ee912cb7edb086f64c Mon Sep 17 00:00:00 2001
From: rudolfkoenig <rudolfkoenig@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Tue, 8 Apr 2014 11:02:53 +0000
Subject: [PATCH] fhemweb.js: scriptAttribute bugfix (empty param on Chrome)

git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@5486 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/www/pgm2/fhemweb.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/fhem/www/pgm2/fhemweb.js b/fhem/www/pgm2/fhemweb.js
index db3c6444b..471ad41f9 100644
--- a/fhem/www/pgm2/fhemweb.js
+++ b/fhem/www/pgm2/fhemweb.js
@@ -347,7 +347,13 @@ scriptAttribute(sname)
   });
 
   var ua={};
-  try {ua=JSON.parse(attr);} catch(e){FW_errmsg(sname+" Parameter "+e,5000);}
+  if(attr && attr != "") {
+    try {
+      ua=JSON.parse(attr);
+    } catch(e){
+      FW_errmsg(sname+" Parameter "+e,5000);
+    }
+  }
   return ua;
 }
 // end of script functions