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Hi - love your book and cannot wait to get going with applying your very clear php and sql code. However, I am falling at the first hurdle wrestling with the twitter bootstrap framework. Can you help? You can see where I have got to at http://www.worldsgreatestchallenge.com . I have downloaded the latest version of bootstrap and incorporated the sticky-footer-navbar.min.css. from your downloadable code from ex1. However, the navbar does not display at the top. I have managed to add the grey stripe at the top by adding the following to the sticky-footer-navbar.css: .navbar { height: 60px; background-color: #f5f5f5; } However, try as I might, I cannot get the nav buttons and dropdown menus to display. I have checked and rechecked the html/php code and all seems in order. I would paste it here but I cannot get any of the paste buttons in the wysiwyg panel above to work. Any ideas? PS the categories do not display on my site because I have not yet created the relevant table.

I am having a problem with the registration page in Chapter 4, Example 1. When I complete the registration form, a simply get a blank page below the header. It stays on register.php and does not advance to thankyou.php. Error checking indicates an undefined index for all the variables. Not sure why that is happening, as I am using the script from the book. Any suggestions would be appreciated.