Persistent URL Parameter
<p>Is there a way to persist url parameters throughout the site as you click around? I'm working on a demo site which sets a url parameter on the first page to determine what's shown on the following pages. I would use session variables but the internal users are likely to share links between one another and the session wouldn't exist then. I've tried googling but all that returns are articles related to php frameworks like Cake. Is there a way to achieve this without using a framework?</p>

<p>Example of the Flow:</p>

<ul>
<li>Select Page > User selects Use Case and presses Submit to view Demo Site</li>
<li>Inner Pages > Detect URL parameter and show data based on Use Case.</li>
<li>As user clicks through the demo site the parameter persists so it shows the relevant data.</li>
<li>When user returns to Select Page they can choose a new Use Case and repeat above actions.</li>
</ul>
