function go(formname, fieldname, listname, type)
{
	var xhr_object = null; 
	if(window.XMLHttpRequest) // Firefox 
	{
		xhr_object = new XMLHttpRequest(); 
	}
	else if(window.ActiveXObject) // Internet Explorer 
	{
		xhr_object = new ActiveXObject("Microsoft.XMLHTTP"); 
	}
	else 
	{ // XMLHttpRequest non supporté par le navigateur 
		alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest..."); 
		return; 
	} 
	 
	xhr_object.open("POST", "ajax.php", true); 
	     
	xhr_object.onreadystatechange = function() 
	{ 
		if(xhr_object.readyState == 4) eval(xhr_object.responseText); 
	} 

	xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); 
	var data = "fieldname="+fieldname+"&formname="+formname+"&listname="+listname+"&type="+type; 
	xhr_object.send(data); 
}

function go2(formname, fieldname, listname, type)
{
	var xhr_object = null; 
	if(window.XMLHttpRequest) // Firefox 
	{
		xhr_object = new XMLHttpRequest(); 
	}
	else if(window.ActiveXObject) // Internet Explorer 
	{
		xhr_object = new ActiveXObject("Microsoft.XMLHTTP"); 
	}
	else 
	{ // XMLHttpRequest non supporté par le navigateur 
		alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest..."); 
		return; 
	} 
	 
	xhr_object.open("POST", "ajax.php", true); 
	     
	xhr_object.onreadystatechange = function() 
	{ 
		if(xhr_object.readyState == 4) eval(xhr_object.responseText); 
	} 

	xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); 
	var data = "fieldname="+fieldname+"&formname="+formname+"&listname="+listname+"&type="+type+"&join=1"; 
	xhr_object.send(data); 
}