teste SEND POST

<html>
<head>
<script type="text/javascript">

 function ajaxRequest(){
 var activexmodes=["Msxml2.XMLHTTP", "Microsoft.XMLHTTP"] //activeX versions to check for in IE
 if (window.ActiveXObject){ //Test for support for ActiveXObject in IE first (as XMLHttpRequest in IE7 is broken)
  for (var i=0; i<activexmodes.length; i++){
   try{
    return new ActiveXObject(activexmodes[i])
   }
   catch(e){
    //suppress error
   }
  }
 }
 else if (window.XMLHttpRequest) // if Mozilla, Safari etc
  return new XMLHttpRequest()
 else
  return false
}

var mypostrequest=new ajaxRequest()
mypostrequest.onreadystatechange=function(){
 if (mypostrequest.readyState==4){
  if (mypostrequest.status==200 || window.location.href.indexOf("http")==-1){
   document.getElementById("result").innerHTML=mypostrequest.responseText
  }
  else{
   alert("An error has occured making the request")
  }
 }
}
var namevalue=encodeURIComponent(document.getElementById("username").value)
var agevalue=encodeURIComponent(document.getElementById("password").value)
var parameters="username="+namevalue+"&password="+agevalue
mypostrequest.open("POST", "http://192.168.0.127/login.php", true)
mypostrequest.setRequestHeader("Content-type", "application/x-www-form-urlencoded")
mypostrequest.send(parameters)
</script>
</head>

<body>ola</body>
</html>