Something

<?php
  			$indexid='url';
  			$default='includes/home.php';
			
  			switch ($_GET[$indexid]) {
 			default:
				include "$default";
			break;
  
  			case 'home':
  				include 'includes/home.php';
  			break;

                        case 'roster':
  				include 'includes/roster.php';
  			break;
  			?>