<div class="row panel panel-default" style="margin-top: 10px">
<!-- Default panel contents -->
<div class="panel-heading">Lifeguard</div>
<div class="col-lg-12 ">
<p><?php
echo $root->first_name;
?>
</p>
<ul class="tree">
<?php
foreach ($level1 as $user1) {
$u = new User();
$str_ul = $u->getUserReferrer($user1->code);
if ($str_ul == "NULL") {
?>
<li><i class="glyphicon glyphicon-minus"></i>
<input type="checkbox" value="<?php
echo $user1->id;
?>
" /> <a id="<?php
echo $user1->code;
?>
" class="node node_null minus" href="#"><?php
echo $user1->first_name . " " . $user1->last_name;
?>
</a>
