how to interchage image banners randomly when page refresh? <p>here are my banners:</p> <p><a href="https://i.stack.imgur.com/Eb1SI.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Eb1SI.png" alt="enter image description here"></a></p> <p>pls help me with this. i want that when the page loads, every banners exchange places in any order. </p> <p>i am using apache velocity for this but i just want to know the logic on how to code it. thanks</p>