<?php
function insertJavascript()
{
	global $listenPort;
return '<script language="javascript">
					<!--
					function setPropertyValue(topic, fn, value, property)
					{
						document.getElementById(topic+"/"+fn+"/"+property+"/value").value = value;
						let xhr  = new XMLHttpRequest();
						xhr.open("GET", "http://192.168.1.253:' . $listenPort . '/set&fn="+fn+"&property="+property+"&topic="+topic+"&value="+value);
						xhr.onload = function () {};
						xhr.send();
					}

					function getPropertyValue(topic, fn, property)
					{
						let xhr  = new XMLHttpRequest();
						xhr.open("GET", "http://192.168.1.253:' . $listenPort . '/get&fn="+fn+"&property="+property+"&topic="+topic );
						xhr.onload = function () {};
						xhr.send();
						setTimeout(function()
						{
							location.reload();
						}, 1000);
					}
					// -->
					</script>';
}
?>