continue button not working to next section

I’m a newbie to magento. The fact is that I’ve installed magento through softaculous on, installed and update the website, and even check that all the functionality are working properly. Yesterday, I’ve asked my IT guy to move the website so that it redirrects to After this move, the customers can’t place the orders as the continue button under shipping is not moving forward. Please help!!!! I’ve worked at this website for the last 3 weeks and my IT guy can’t solve it as it doesn’t know what to do…

address of the website is

Thank you in advance