Google earth icon ต้องการให้ทำเป็นสถานะ online offline ใช้ if ต้องแทรกตรงไหนใน xml

<?php
  $user = 'root';
  $pass = '1234';
  $host = '127.0.0.1';
  $db_name = 'mydatabase';

  mysql_connect("$host", "$user", "$pass") or die("Could not connect : ".mysql_error());
  mysql_select_db("$db_name") or die("Could not select database : ".mysql_error());

  $sql = 'Select * From map_point';
  $result = mysql_query($sql);
  while ($row = mysql_fetch_assoc($result)) {
    $Places .= '<Placemark>';
	$Places .= '<name>'.$row['place_name'].'</name>';
	$Places .= '<styleUrl> #MyStyle </styleUrl>';
	$Places .= '<description>';
    $Places .= '<![CDATA[';
	$Places .= 'ID : '.$row['mp_id'].'<br>';
	$Places .= 'serial : '.$row['ap_serial'].'<br>';
	$Places .= 'Status. :'.$row['mp_status'].'<br>';
	$Places .= ']]>';
	$Places .= '</description>';
	$Places .= '<Point>';
	$Places .= '<coordinates>'.$row['mp_lng'].','.$row['mp_lat'].',0</coordinates>';
	$Places .= '</Point>';
	$Places .= '</Placemark>';
  }

  $kml  = '<?xml version="1.0" encoding="UTF-8"?>';
  $kml .= '<kml xmlns="http://www.opengis.net/kml/2.2">';
  $kml .= '<Document>';
  $kml .= '<name> place mark </name>';
  
  $kml .= '<Style id="MyPlaceMark">';
  $kml .= '<IconStyle>';
  $kml .= '<Icon>';
  $kml .= '<href> http://maps.google.com/mapfiles/kml/shapes/arts.png</href>';
  $kml .= '</Icon>';
  $kml .= '<color>ff000fff</color>';
  $kml .= '<colorMode>normal</colorMode>';
  $kml .= '</IconStyle>';
  $kml .= '</Style>';  

  $kml .= '<StyleMap id="MyStyle">';
  $kml .= '<Pair>';
  $kml .= '<key>normal</key>';
  $kml .= '<styleUrl> #MyPlaceMark </styleUrl>';
  $kml .= '</Pair>';
  $kml .= '<Pair>';
  $kml .= '<key>highlight</key>';
  $kml .= '<styleUrl> #MyPlaceMark </styleUrl>';
  $kml .= '</Pair>';
  $kml .= '</StyleMap>';
  
  $kml .= $Places;
  $kml .= '</Document>';
  $kml .= '</kml>';

  echo $kml;
?>