function navBar(strData){
  var ulHtml = '<ul class="layui-nav layui-nav-tree">';
	<br />
<b>Notice</b>:  Undefined index: privilege in <b>C:\web\wtms\js\leftNav.php</b> on line <b>6</b><br />
<br />
<b>Warning</b>:  Invalid argument supplied for foreach() in <b>C:\web\wtms\js\leftNav.php</b> on line <b>7</b><br />
	ulHtml += '</ul>';
	return ulHtml;
}