Does anyone have a Macbook that they could run a quick test for me please?

I just need someone to use Safari to try and register an attempt. Go to http://bobgrahamclub.org.uk/index.php?page=apply and enter details as if you were going to attempt the round, no need to submit but so long as you can enter your name and start time etc. that's OK.

The reason is that someone is trying to register using Macbook/Safari and the form is locking them out of several of the fields plus the verification code that shows either a tick or a cross against items isn't working for them. Typically all the machines we have (including a Macbook) work fine so I'm struggling to figure out what's wrong.

Should take five minutes at most.