/**
 * Allows pages to be made for multiple records.
 *
 * @param string $base_url
 * @param integer $num_items
 * @param integer $per_page
 * @param integer $start_item
 * @param boolen $add_prevnext_text
 * @return string
 */
function generate_pagination ( $base_url, $num_items, $per_page, $start_item, $add_prevnext_text = TRUE )
{
	global	$lang;

	$cow	= false;
	if ( !strstr ( $base_url, '?' ) )
	{
		$amp	= '';
		$base_url	= $base_url . '?';
	}
	else
	{
		$amp	= '&';
	}

	$total_pages = ceil ( $num_items / $per_page );

	if ( $total_pages == 1 )
	{
		return '';
	}

	$on_page = floor ( $start_item / $per_page ) + 1;

	$page_string = '';
	if ( $total_pages > 10 )
	{
		$init_page_max = ( $total_pages > 3 ) ? 3 : $total_pages;

		for ( $i = 1; $i < $init_page_max + 1; $i++ )
		{
			$page_string .= ( $i == $on_page ) ? '<b>' . $i . '</b>' : '<a href="' . $base_url . "$amp" . "start=" . ( ( $i - 1 ) * $per_page ) . '">' . $i . '</a>';
			if ( $i <  $init_page_max )
			{
				$page_string .= ", ";
			}
		}

		if ( $total_pages > 3 )
		{
			if ( $on_page > 1  && $on_page < $total_pages )
			{
				$page_string .= ( $on_page > 5 ) ? ' ... ' : ', ';

				$init_page_min = ( $on_page > 4 ) ? $on_page : 5;
				$init_page_max = ( $on_page < $total_pages - 4 ) ? $on_page : $total_pages - 4;

				for ( $i = $init_page_min - 1; $i < $init_page_max + 2; $i++ )
				{
					$page_string .= ( $i == $on_page ) ? '<b>' . $i . '</b>' : '<a href="' . $base_url . "$amp" . "start=" . ( ( $i - 1 ) * $per_page ) . '">' . $i . '</a>';
					if ( $i <  $init_page_max + 1 )
					{
						$page_string .= ', ';
					}
				}

				$page_string .= ( $on_page < $total_pages - 4 ) ? ' ... ' : ', ';
			}
			else
			{
				$page_string .= ' ... ';
			}

			for ( $i = $total_pages - 2; $i < $total_pages + 1; $i++ )
			{
				$page_string .= ( $i == $on_page ) ? '<b>' . $i . '</b>'  : '<a href="' . $base_url . "$amp" . "start=" . ( ( $i - 1 ) * $per_page ) . '">' . $i . '</a>';
				if ( $i <  $total_pages )
				{
					$page_string .= ", ";
				}
			}
		}
	}
	else
	{
		for ( $i = 1; $i < $total_pages + 1; $i++ )
		{
			$page_string .= ( $i == $on_page ) ? '<b>' . $i . '</b>' : '<a href="' . $base_url . "$amp" . "start=" . ( ( $i - 1 ) * $per_page ) . '">' . $i . '</a>';
			if ( $i <  $total_pages )
			{
				$page_string .= ', ';
			}
		}
	}

	if ( $add_prevnext_text )
	{
		if ( $on_page > 1 )
		{
			$page_string = ' <a href="' . $base_url . "$amp" . "start=" . ( ( $on_page - 2 ) * $per_page ) . '">Previous</a>&nbsp;&nbsp;' . $page_string;
		}

		if ( $on_page < $total_pages )
		{
			$page_string .= '&nbsp;&nbsp;<a href="' . $base_url . "$amp" . "start=" . ( $on_page * $per_page ) . '">Next</a>';
		}

	}

	$page_string = 'Go to page: ' . $page_string;

	return $page_string;
}