function obj()
{
	td=navigator.appName;
	if(td == "Microsoft Internet Explorer"){
		dd= new ActiveXObject("Microsoft.XMLHTTP");	
	}else{
		dd= new XMLHttpRequest();	
	}
	return dd;
}
http=obj();
function getcontent(id)
{
	http.open('get','getdata.php?data='+id,true);	
	http.onreadystatechange=process;
	http.send(null);
}
function process()
{
	if(http.readyState == 4 && http.status == 200)
    {
		kq=http.responseText;
		document.getElementById('ketqua').innerHTML=kq;
	}
}