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 MakeRequest()
{
  var xmlHttp = getXMLHttp();
  
  xmlHttp.onreadystatechange = function()
  {
    if(xmlHttp.readyState == 4)
    {
      HandleResponse(xmlHttp.responseText);
    }
  }
	var randomnumber=Math.floor(Math.random()*345343)
	xmlHttp.open("GET", "ajax.asp?rnd="+randomnumber, true); 
	xmlHttp.send(null);
}

function HandleResponse(response)
{
  document.getElementById('ResponseDiv').innerHTML = response;
  IniciarChat();
}


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

  var txt = document.getElementById('pregunta').value;
  xmlHttp.open("GET", "ajax.asp?msg="+document.getElementById('pregunta').value, true); 
  document.getElementById('pregunta').value = '';
  xmlHttp.send(null);
}