'Add map' to an Add New Event is resizing incorrectly

Hi,
didn't know whether to put it in the Events+ or GoogleMap plugin.

I am trying to Add a New Event and then i want to put the Event Location with the fabulous little integration of the Google Map plugin BUT when the pop up occurs it resizes as per the picture and you can't use it.
I am using Chrome as my browser and it is a multisite installation
http://masite.me/waima

any help would be appreciated :slight_smile:

graham
p.s. image of what is being shown is here http://masite.me/waima/wp-content/uploads/sites/2/2013/12/event-map.jpg