Problems with Virtuemart

I am having problems with virtuemart and your eSport template on the website http://www.electricsuk.org.uk

When your template is selected the customer selects a shipment method but it does not save and they are sent around in a loop with no success.

Also there is no access to the customers previous orders history.

This problem disappears when I select the default joomla templates, Beez2 or Beez5

Could you please let me know what is wrong here as I need to get this site live quite quickly

Sorry forgot to say running Virtuemart 2.0.26d and Joomla! 2.5.18

Also tried gk_storebox and had the same problem