Since you have the web page (web site), can't you:
<div id="mydiv">
<p id="mydiv_p1">first</p>
</div>


In other words, have your code that creates the <p> assign an ID to it. Fetching the...

As an answer is promised, I won't butt in. Instead, I'll give some tidbits as reminders to how the web works.

Generally speaking, cookies are sent between the server and the browser by way of HTTP...