function loadXMLDoc(url){
	xmlhttp=null;
	if (window.XMLHttpRequest){// all modern browsers
		xmlhttp=new XMLHttpRequest();
	}else if (window.ActiveXObject){// for IE5, IE6
		xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	if (xmlhttp!=null){
		xmlhttp.onreadystatechange=state_Change;
		xmlhttp.open("GET",url,true);
		xmlhttp.send(null);
	}else{
		alert("Your browser does not support XMLHTTP.");
	}
}

function state_Change(){
	if (xmlhttp.readyState==4){// 4 = "loaded"
		if (xmlhttp.status==200){// 200 = "OK"
			if(xmlhttp.responseText!=""){
				document.getElementById("_userlogin").innerHTML = xmlhttp.responseText;				
			}
		}
	}
}

loadXMLDoc('/member/ajax_loginsta_1.php');