function getXMLHttp()
{
  var xmlHttp

  try
  {
    //Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch(e)
  {
    //Internet Explorer
    try
    {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch(e)
    {
      try
      {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch(e)
      {
        alert("Your browser does not support AJAX!")
        return false;
      }
    }
  }
  return xmlHttp;
}
function MakeRequest1()
{
  var xmlHttp = getXMLHttp();
  
  xmlHttp.onreadystatechange = function()
  {
    if(xmlHttp.readyState == 4)
    {
      HandleResponse(xmlHttp.responseText);
    }
  }

  xmlHttp.open("GET", "ajax.php?id=1", true); 
  xmlHttp.send(null);
}
function HandleResponse(response)
{
  document.getElementById('ResponseDiv').innerHTML = response;
}

function MakeRequest2()
{
  var xmlHttp = getXMLHttp();
  
  xmlHttp.onreadystatechange = function()
  {
    if(xmlHttp.readyState == 4)
    {
      HandleResponse(xmlHttp.responseText);
    }
  }

  xmlHttp.open("GET", "ajax.php?id=2", true); 
  xmlHttp.send(null);
}
function HandleResponse(response)
{
  document.getElementById('ResponseDiv').innerHTML = response;
}
function MakeRequest3()
{
  var xmlHttp = getXMLHttp();
  
  xmlHttp.onreadystatechange = function()
  {
    if(xmlHttp.readyState == 4)
    {
      HandleResponse(xmlHttp.responseText);
    }
  }

  xmlHttp.open("GET", "ajax.php?id=3", true); 
  xmlHttp.send(null);
}
function HandleResponse(response)
{
  document.getElementById('ResponseDiv').innerHTML = response;
}


function getHTTPObject(){
    if (window.ActiveXObject) return new ActiveXObject("Microsoft.XMLHTTP");
    else if (window.XMLHttpRequest) return new XMLHttpRequest();
    else {
       alert("Your browser does not support AJAX.");
         return null;
         }
         }
                  // Change the value of the outputText field
         function setOutput(){
           if(httpObject.readyState == 4){
             document.getElementById('enteshar').value = httpObject.responseText;
             }
             }
             // Implement business logic
             function doWork(){
               httpObject = getHTTPObject();
               if (httpObject != null) {
                 httpObject.open("GET", "ajax.php?id=101"
                   +document.getElementById('enteshar').value, true);
                   httpObject.send(null);
                     httpObject.onreadystatechange = setOutput;
                     }
                     }
                     var httpObject = null;