// JavaScript Document
var xmlHttp=buatObjekXmlHttp();
function buatObjekXmlHttp()
{
	var obj=null;
	if(window.ActiveXObject)
		obj=new ActiveXObject("Microsoft.XMLHTTP");
	else
		if(window.XMLHttpRequest)
			obj=new XMLHttpRequest();
	
	//Cek isi xmlHttp
	if(obj == null)
		document.write("Browser tak mendukung XMLHttpRequest");
	return obj;
}

function ambilData(sumber_data, id_elemen){
	if(xmlHttp!=null){
		var obj=document.getElementById(id_elemen);
		xmlHttp.open("GET", sumber_data);
		xmlHttp.onreadystatechange=function (){
			if(xmlHttp.readyState==4){
				if(xmlHttp.status==200){
					obj.innerHTML=xmlHttp.responseText;
				}
			}
			else
				obj.innerHTML="<center><img src='images/loading.gif'/></center>";
		}
		xmlHttp.send(null);
	}
}