function getXmlHttp(){
  var xmlhttp;
  try {
    xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  } catch (e) {
    try {
      xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
    } catch (E) {
      xmlhttp = false;
    }
  }
  if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
    xmlhttp = new XMLHttpRequest();
  }
  return xmlhttp;
}
var xmlHttp = getXmlHttp()

// make asynchronous HTTP request using the XMLHttpRequest object 
function ratingdialog(id, type, ip, action)
{
  // 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
    document.getElementById("plus"+type+id).innerHTML = '';
	document.getElementById("minus"+type+id).innerHTML = '';
    document.getElementById("rate"+type+id).innerHTML = '';
	document.getElementById("rate"+type+id).innerHTML = '<span class="min">Загрузка...</span>';

    // execute the quickstart.php page from the server
   
    xmlHttp.open("GET", "/xml/ratingdialogs.php?id=" + id + "&action=" + action + "&ip=" + ip + "&type=" + type, true);  
	
    // define the method to handle server responses
    xmlHttp.onreadystatechange = handleServerResponse2;
    // make the server request
    xmlHttp.send(null);
  }
}
function handleServerResponse2() 
{
  // move forward only if the transaction has completed
  if (xmlHttp.readyState == 4) 
  {
    // status of 200 indicates the transaction completed successfully
    if (xmlHttp.status == 200) 
    {

	  
	 var xmlResponse = xmlHttp.responseXML;

  xmlRoot = xmlResponse.documentElement;  
  value = xmlRoot.getElementsByTagName("value");
	 dialog_id = xmlRoot.getElementsByTagName("dialog_id");
	  type = xmlRoot.getElementsByTagName("type");
	  
	  
	  
	  
	  
      // update the client display using the data received from the server
	  document.getElementById("rate"+type.item(0).firstChild.data + dialog_id.item(0).firstChild.data).innerHTML = value.item(0).firstChild.data ;
      // restart sequence
    } 
    // a HTTP status different than 200 signals an error
    else 
    {
      alert("There was a problem accessing the server: " + xmlHttp.statusText);
    }
  }
}