// JavaScript Document

var xmlhttp;

function showAge(state)
{
if(state == '0') {
	document.getElementById("age").innerHTML="";
}
xmlhttp=GetXmlHttpObject()
if (xmlhttp==null)
  {
  alert ("Your browser does not support XML HTTP Request");
  return;
  }
var url="birthday.php";

if(state == '1') {
	url=url+"?state="+state;
}

xmlhttp.onreadystatechange=stateChangedproject ;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function stateChangedproject()
{
if (xmlhttp.readyState==4)
  {
  document.getElementById("age").innerHTML=xmlhttp.responseText;
  }
}

function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  // code for IE6, IE5
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}