Mail Checker

<HTML>
<HEAD>
 <TITLE>Проверялка почты</TITLE>
 <SCRIPT type="text/javascript" src="../../Sources/yocto_api.js"></SCRIPT>
 <SCRIPT type="text/javascript" src="../../Sources/yocto_led.js"></SCRIPT>
 <SCRIPT language='javascript1.5' type='text/JavaScript'>
 <!--
 // Use explicit error handling rather than exceptions
 yDisableExceptions();

 // Setup the API to use the VirtualHub on local machine
 if(yRegisterHub('http://127.0.0.1:4444/') != YAPI_SUCCESS) {
     alert("Cannot contact VirtualHub on 127.0.0.1");
 }

 var led,fullcount;
if (window.XMLHttpRequest)
  {// code for IE7+, Firefox, Chrome, Opera, Safari
  xmlhttp=new XMLHttpRequest();
  }
else
  {// code for IE6, IE5
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
 function refresh()
 {
     var serial = document.getElementById('serial').value;
     if(serial == '') {
         // Detect any conected module suitable for the demo
         led = yFirstLed();
         if(led) {
             serial = led.module().get_serialNumber();
             document.getElementById('serial').value = serial;
         }
     }

     led = yFindLed(serial+".led");
     if(led.isOnline()) {
         document.getElementById('msg').value = '';
     } else {
         document.getElementById('msg').value = 'Module not connected';
     }
     xmlhttp.open("GET","https://mail.google.com/mail/feed/atom",false);
     xmlhttp.send();
     xmlDoc=xmlhttp.responseXML;

     fullcount = xmlDoc.getElementsByTagName("fullcount")[0].childNodes[0].nodeValue;
     document.getElementById("fullcount").innerHTML= fullcount;
     if(fullcount==0) {switchIt(false)} else {switchIt(true)};
     setTimeout('refresh()',5000);
 }

 function switchIt(state)
 {
     if (state) led.set_power(Y_POWER_ON);
           else led.set_power(Y_POWER_OFF);
 }
 -->
 </SCRIPT>
</HEAD>
<BODY onload='refresh();'>
 Module to use: <input id='serial'>
 <input id='msg' style='color:red;border:none;' readonly><br>
 <a href='javascript:switchIt(true);'>ON</a><br>
 <a href='javascript:switchIt(false);'>OFF</a><br>
 <b>Новых сообщений:</b> <span id="fullcount"></span><br>

</BODY>
</HTML>