var XMLHttpRequestObject = createXMLHttpRequestObject();
function createXMLHttpRequestObject()
{
  var XMLHttpRequestObject = false;
  
  try
  {
    XMLHttpRequestObject = new XMLHttpRequest();
  }
  catch(e)
  {
    var aryXmlHttp = new Array(
                               "MSXML2.XMLHTTP",
                               "Microsoft.XMLHTTP",
                               "MSXML2.XMLHTTP.6.0",
                               "MSXML2.XMLHTTP.5.0",
                               "MSXML2.XMLHTTP.4.0",
                               "MSXML2.XMLHTTP.3.0"
                               );
    for (var i=0; i<aryXmlHttp.length && !XMLHttpRequestObject; i++)
    {
      try
      {
        XMLHttpRequestObject = new ActiveXObject(aryXmlHttp[i]);
      } 
      catch (e) {}
    }
  }
  
  if (!XMLHttpRequestObject)
  {
    alert("Error: failed to create the XMLHttpRequest object.");
  }
  else 
  {
    return XMLHttpRequestObject;
  }
}

function sendFormData(idForm, dataSource, divID)
{
  var postData='';
  var strReplaceTemp;
  
  if(XMLHttpRequestObject)
  {
    XMLHttpRequestObject.open("POST", dataSource);
    XMLHttpRequestObject.setRequestHeader("Method", "POST " + dataSource + " HTTP/1.1");
	  XMLHttpRequestObject.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	  
    XMLHttpRequestObject.onreadystatechange = function()
    {
      if (XMLHttpRequestObject.readyState == 4 &&
          XMLHttpRequestObject.status == 200)
      {
        try
        {
          var objDiv = document.getElementById(divID);
          objDiv.innerHTML = XMLHttpRequestObject.responseText;
        }
        catch (e) {}
      }
    }
    
    for(i=0; i<document.getElementById(idForm).elements.length - 1; i++)
    {
      strReplaceTemp = document.getElementById(idForm).elements[i].name.replace(/\[\]/i, "");
      postData += "&aryFormData["+strReplaceTemp+"][]="+document.getElementById(idForm).elements[i].value;
    }
    
    postData += "&parm="+new Date().getTime();
    try
    {
      XMLHttpRequestObject.send(postData);
    }
    catch (e) {}
  }
}

function getData(dataSource, divID)
{
  if(XMLHttpRequestObject)
  {
    dataSource += "&parm="+new Date().getTime();
    
    XMLHttpRequestObject.open("GET", dataSource);
    XMLHttpRequestObject.onreadystatechange = function()
    {
      try
      {
        if (XMLHttpRequestObject.readyState == 4 &&
            XMLHttpRequestObject.status == 200)
        {
          var objDiv = document.getElementById(divID);
          objDiv.innerHTML = XMLHttpRequestObject.responseText;
        }
      }
      catch(e){}
    }
    try
    {
      XMLHttpRequestObject.send(null);
    }
    catch(e){}
  }
}

function postData(dataSource, divID)
{
  if(XMLHttpRequestObject)
  {
    XMLHttpRequestObject.open("POST", dataSource);
    XMLHttpRequestObject.setRequestHeader("Method", "POST " + dataSource + " HTTP/1.1");
	  XMLHttpRequestObject.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    
    XMLHttpRequestObject.onreadystatechange = function()
    {
      try
      {
        if (XMLHttpRequestObject.readyState == 4 &&
            XMLHttpRequestObject.status == 200)
        {
          var objDiv = document.getElementById(divID);
          objDiv.innerHTML = XMLHttpRequestObject.responseText;
        }
      }
      catch(e){}
    }
    
    dataSource += "&parm="+new Date().getTime();
    try
    {
      XMLHttpRequestObject.send(dataSource);
    }
    catch(e){}
  }
}