ta sources</h2>
				<ul>
					<li><a href="../data_sources/dom.html">DOM</a></li>
					<li><a href="../data_sources/js_array.html">Javascript array</a></li>
					<li><a href="../data_sources/ajax.html">Ajax source</a></li>
					<li><a href="../data_sources/server_side.html">Server side processing</a></li>
				</ul>
				
				<h2>Server-side processing</h2>
				<ul>
					<li><a href="../server_side/server_side.html">Obtain server-side data</a></li>
					<li><a href="../server_side/custom_vars.html">Add extra 