function calc_age(val)
{
	
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var dd,mm;

dd=document.registerform.day.value;
mm=document.registerform.month.value;
var url="age_calc.php";
url=url+"?q="+val+"&&month="+mm+"&&day="+dd;
url=url+"&sid="+Math.random();
xmlhttp.onreadystatechange=stateChanged_age;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

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



function GetXmlHttpObject()
{ 
	var objXMLHttp=null
	if (window.XMLHttpRequest)
	{
		objXMLHttp=new XMLHttpRequest()
	}
	else if (window.ActiveXObject)
	{
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp
}