Mobile Safari bug on fixed positioned button after scrollTop programmatically changed…?

Question

I\'m just about done a webpage but there is one bug in Mobile Safari (iPhone and iPad iOS 5.0.1) with two buttons that are fixed to the upper and lower right corners..

Answer 1

Example code

if (navigator.userAgent.match(/iPhone|iPad|iPod/i)) {
    $(document).on('focus', 'input, textarea', function() {
        $('header').css({'position':'static'});
    });
    $(document).on('blur', 'input, textarea', function() {
        $('header').css({'position':'fixed'});
    });
}