Improve javascript compatibility
Improve javascript compatibility

There was some problems with olders Android and even with current iOS browsers. With a little more verbose syntax everything works fine.
danwilson/google-analytics-plugin,Anu2g/google-analytics-plugin,danwilson/google-analytics-plugin,Anu2g/google-analytics-plugin,danwilson/google-analytics-plugin,Anu2g/google-analytics-plugin