title: Display image as popup on page load
body: <p>I am learning php and totally unfamiliar with javascript. but i want to know how to generate a popup having some text and image.(If it is HTML formatting allowed, it will be fine for me)</p>
  
  <p>I want to generate a popup message each time page loads, like here www.000webhost.com,
  each time we open/refresh the home page of 000webhost.com an image is displayed.
  How I can do this ?</p>