// JavaScript Document

var datareq2 = createXMLHttpRequest();
function doSubscribe()
{	
	var email  = _('email').value;
	datareq2.open('get',"http://www.cottonusa.it/join/includes/subscribe.php?e="+email);
	datareq2.onreadystatechange =  doSubscribeReply;
	datareq2.send('');	
}

function doSubscribeReply()
{
	if(datareq2.readyState == 4)
	{
			
		var answer = datareq2.responseText;
		chunks = answer.split("|");	
		if(chunks[0] == 1)
			{ fadeIn('err1');}
		else if(chunks[0] == 2)
			{ fadeIn('err2');}
		else if(chunks[0] == 3)
			{ fadeIn('err3');}
		else if(chunks[0] == 4)
			{ fadeIn('ok');}
	}
	else
	{
		clearDivs();
	}	
	
}

function clearDivs()
{
	_('err1').style.display = "none";
	_('err2').style.display = "none";
	_('err3').style.display = "none";
	_('ok').style.display = "none";
}

function _(e)
{
	return document.getElementById(e);	
}

function fadeIn(div_id)
{
	$('#'+div_id).fadeIn('slow');
}

function fadeOut(div_id)
{
	$('#'+div_id).fadeOut('slow');
}