// stores the reference to the XMLHttpRequest object
var xmlHttp = createXmlHttpRequestObject();

// retrieves the XMLHttpRequest object
function createXmlHttpRequestObject()
{
  // will store the reference to the XMLHttpRequest object
  var xmlHttp;
  // if running Internet Explorer
  if(window.ActiveXObject)
  {
    try
    {
      xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
    catch (e)
    {
      xmlHttp = false;
    }
  }
  // if running Mozilla or other browsers
  else
  {
    try
    {
      xmlHttp = new XMLHttpRequest();
    }
    catch (e)
    {
      xmlHttp = false;
    }
  }
  // return the created object or display an error message
  if (!xmlHttp)

    alert("Error creating the XMLHttpRequest object.");
  else
    return xmlHttp;
}

// make asynchronous HTTP request using the XMLHttpRequest object
function process()
{
	document.getElementById("divMessage").innerHTML = "Please wait...";
  // proceed only if the xmlHttp object isn't busy
  if (xmlHttp.readyState == 4 || xmlHttp.readyState == 0)
  {
    // retrieve the name typed by the user on the form
    var dname = encodeURIComponent(document.getElementById("dname").value);
    // execute the quickstart.php page from the server
    xmlHttp.open("GET", "check.php?dname="+dname, true);
    // define the method to handle server responses
    xmlHttp.onreadystatechange = handleServerResponse;
    // make the server request
    xmlHttp.send(null);
  }
  else
    // if the connection is busy, try again after one second
    setTimeout('process()', 1000);
}

// executed automatically when a message is received from the server
function handleServerResponse()
{
  // move forward only if the transaction has completed
  if (xmlHttp.readyState == 4)
  {
    // status of 200 indicates the transaction completed successfully
    if (xmlHttp.status == 200)
    {
      // extract the XML retrieved from the server
      xmlResponse = xmlHttp.responseXML;
      // obtain the document element (the root element) of the XML structure
      xmlDocumentElement = xmlResponse.documentElement;
      // get the text message, which is in the first child of
      // the the document element
      var resp = xmlDocumentElement.firstChild.data;
	//helloMessage= xml.DocumentElement.getElementsByTagName("image").firstChild.data;
   var free = xmlDocumentElement.getElementsByTagName("free");
   var reg = xmlDocumentElement.getElementsByTagName("reg");
   var error=xmlDocumentElement.getElementsByTagName("error");
   if(error.length==0)
   {
   // получение всех вариантов ответа из XML



    helloMessage="<table>";
    for(var i=0;i<free.length;i++)
    {
    var myar=free[i].firstChild.data.split(".");
    //myar[0] - domain
    //myar[1] - tld
    helloMessage+="<tr><td>"+free[i].firstChild.data+"<td><b>Avaible</b><td><a class=\"orange\" href=\"order.html\">Register this domain</a>";
//    alert(hellomessage);

    }
    for(i=0;i<reg.length;i++)
    {
         helloMessage+="<tr><td>"+reg[i].firstChild.data+"<td colspan=2><b>This Domain Not Avaible</b>";
    }
   	helloMessage+="</table>";
    }
    else
    {
    helloMessage="<b>Error</b>: "+error[0].firstChild.data;
    }

   // alert(helloMessage);


    //  alert(imgs);
      //helloMessage="a";
      // update the client display using the data received from the server

    //  alert(helloMessage);
      document.getElementById("divMessage").innerHTML =helloMessage;
      // restart sequence
     // setTimeout('process()', 1000);
    }
    // a HTTP status different than 200 signals an error
    else
    {
      alert("There was a problem accessing the server: " + xmlHttp.statusText);
    }
  }
}