horizontal("center")->vertical("bottom");
$stem1->horizontal("left")->vertical("top");
$pos1->target($tar1)->stem($stem1);
echo $tooltip1->width("440px")->height("200px")->content("Reload current page")->position($pos1)->isBalloon(false)->render();
?>
horizontal("center")->vertical("bottom");
$stem2->horizontal("left")->vertical("top");
$pos2->target($tar2)->stem($stem2);
echo $tooltip2->width("440px")->height("200px")->content("search")->position($pos2)->render();
?>
horizontal("center")->vertical("bottom");
$stem3->horizontal("left")->vertical("top");
$pos3->target($tar3)->stem($stem3);
echo $tooltip3->width("440px")->height("200px")->content("Go back one page")->position($pos3)->render();
?>