How to create popup box on header and when click on close button then not display in the site using jquery or php?
<p>I want to create functionality using <code>jquery</code>, <code>PHP</code> or <code>Javascript</code>:</p>

<blockquote>
  <p>When website is loaded then display popupbox on the header with close
  button, when click on close button then popup is closed. If not click
  on close button then that popup is display in all the pages in the
  website.</p>
</blockquote>

<p>Could you please give me suggestion for that? I have no idea about it.</p>
