function getXhr() {
	var xhr = null;
	if (window.XMLHttpRequest) { xhr = new XMLHttpRequest(); }
	else if (window.ActiveXObject) {
		try {
			xhr = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			xhr = new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	else {
		alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest...");
		xhr = false;
	}
	return xhr
}
	
function go(page) {
	var xhr = getXhr()
	
	xhr.onreadystatechange = function() {
		if (xhr.readyState == 4 && xhr.status == 200){ document.getElementById('all').innerHTML = xhr.responseText; }
	}
	xhr.open("GET",page,true);
	xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded; charset=iso-8859-1');
	xhr.send(null);
}

function loginXhr() { 
	var xhr = getXhr()
	var log = document.getElementById("login").value;
	var pwd = document.getElementById("password").value;
	var title = document.getElementById("load").innerHTML;
	
	xhr.onreadystatechange  = function() {
		if (xhr.readyState <= 3) { document.getElementById('load').innerHTML = title+" <img src='../img/loader.gif' alt='Loading...' />"; }
		if (xhr.readyState == 4) {
			if (xhr.status == 200) { document.getElementById('all').innerHTML = xhr.responseText; }
		}
	};
	xhr.open("GET", "../admin/php/login.php?login="+log+"&password="+pwd, true);
	xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded; charset=iso-8859-1');
	xhr.send(null);
}