drupal views view totals

function module_view_totals($viewName, $display_id = 'default', $argument) {
 
  // load viewobject
  $view = views_get_view($viewName);
 
  // ensure view exists
  if (!$view) return;
 
  // set object property to return total rows 
  $view->get_total_rows = true;
 
  // set display_id
  $view->set_display($display_id);
 
	//set argument
	$view->set_arguments(array($argument));
 
  // execute view
  $view->execute();
 
  // acquire data from views object and $_REQUEST   
  $itemsPerPage = $view->pager['items_per_page'];
  $currentPage = $_REQUEST['page']+1;
  $total = $view->total_rows;
 
  // start calculation   
  $start = 10*$currentPage-9;
  $end = $itemsPerPage * $currentPage;
  if ($end>$total) $end = $total;
 
  // return html
  //return "Displaying $start - $end of $total";
	return $total;
}