/**
  * Shows the page browser control.
  *
  * @access	public
  * @param	integer $items_per_page The count of items per page.
  * @param	integer $items_total The total count of items.
  * @param	integer $max_pages_visible The maximum visible count of pages in browser control.
  * @since	3.0
  *
  */
 function control($items_per_page = 5, $items_total = 0, $max_pages_visible = 10)
 {
     global $_GET, $SANITIZER, $CONFIG;
     $page_selected = $SANITIZER->sanitize(@$_GET["p"]);
     if (empty($page_selected)) {
         $page_selected = 1;
     }
     $part_first = 1;
     $part_last = ceil($items_total / $items_per_page);
     if ($part_first < 1) {
         $part_first = 1;
     }
     if ($part_last > ceil($items_total / $items_per_page)) {
         $part_last = ceil($items_total / $items_per_page);
     }
     $s = "";
     if ($part_last > 1) {
         $s .= "<table>";
         $s .= "<tr>";
         if ($page_selected > $part_first || $part_first > 1) {
             $s .= "<td nowrap><a class='color3-fore-color' style='padding-left: 4px; padding-right: 4px;' href='" . ZUrl::modify(array('p' => $page_selected - 1)) . "'><strong>" . JText::_("Previous") . "</strong></a></td>";
         }
         for ($n = $part_first; $n <= $part_last; $n++) {
             if ($n < $page_selected - floor($max_pages_visible) / 2) {
             } else {
                 if ($n > $page_selected + floor($max_pages_visible) / 2) {
                 } else {
                     if ($page_selected == $n) {
                         $s .= "<td nowrap><a class='color3-fore-color' style='padding-left: 4px; padding-right: 4px;' href='" . ZUrl::modify(array('p' => $n)) . "'>[{$n}]</a></td>";
                     } else {
                         $s .= "<td nowrap><a class='color3-fore-color' style='padding-left: 4px; padding-right: 4px;' href='" . ZUrl::modify(array('p' => $n)) . "'>{$n}</a></td>";
                     }
                 }
             }
         }
         if ($page_selected < $part_last) {
             $s .= "<td nowrap><a class='color3-fore-color' style='padding-left: 4px; padding-right: 4px;' href='" . ZUrl::modify(array('p' => $page_selected + 1)) . "'><strong>" . JText::_("Next") . "</strong></a></td>";
         } else {
             $s .= "<td nowrap>&nbsp;</td>";
         }
         $s .= "</tr>";
         $s .= "</table>";
     }
     echo $s;
 }
 /**
  * Shows a link to the context sensitive help topic.
  *
  * @access	private
  * @param	string $context_id The identifier of the help topic
  * @since	3.0
  *
  */
 function context_link($context_id)
 {
     return "<sup><small><a href='" . ZUrl::modify(array('help' => $context_id)) . "'>?</a></small></sup>";
 }