function display_philhealth_lab() {
     if (func_num_args()>0) {
         $arg_list = func_get_args();
         $menu_id = $arg_list[0];
         $post_vars = $arg_list[1];
         $get_vars = $arg_list[2];
         $validuser = $arg_list[3];
         $isadmin = $arg_list[4];
     }
     print "<table width='300'>";
     print "<form action = '".$_SERVER["SELF"]."?page=".$get_vars["page"]."&menu_id=$menu_id' name='form_mechanism' method='post'>";
     print "<tr valign='top'><td>";
     print "<span class='library'>".FTITLE_PHILHEALTH_LAB_LIST."</span><br/><br/>";
     print "</td></tr>";
     print "<tr valign='top'><td>";
     print "<span class='boxtitle'>".LBL_EXISTING_LAB_EXAMS."</span><br> ";
     print philhealth::radio_philhealth_labs();
     print "<br/></td></tr>";
     print "<tr><td>";
     if ($_SESSION["priv_delete"]) {
         print "<input type='submit' value = 'Delete Lab Exam' class='textbox' name='submitlab' style='border: 1px solid #000000'><br> ";
     }
     print "</td></tr>";
     print "</form>";
     print "</table><br>";
 }