function check_subscription(request, value)
{
	document.getElementById('newsletter-messages').innerHTML = "";
	send_request(request, "GET", "ajax/newsletter_validation.php?email_address=" + value, "subscription_status");
}

function subscription_status(request)
{
	if (request.readyState == 4 && request.status == 200)
	{
		var response = get_response(request, "TEXT");
		
		if (response == "-1")
		{
			document.getElementById('newsletter-messages').innerHTML = "<span class=\"error-message\"><img src=\"tpl/default/images/under_construction/error_icon.png\" alt=\"-\" border=\"0\" />Adresa de e-mail nu este validă !</span>";
		}
		else if (response == "1")
		{
			document.getElementById('newsletter-messages').innerHTML = "<span class=\"attention-message\"><img src=\"tpl/default/images/under_construction/attention_icon.png\" alt=\"-\" border=\"0\" />Adresa de e-mail este deja înscrisă !</span>";
		}
		else if (response == "0")
		{
			document.getElementById('textbox').value = "Abonați-vă la newsletter";
			document.getElementById('newsletter-messages').innerHTML = "<span class=\"ok-message\"><img src=\"tpl/default/images/under_construction/ok_icon.png\" alt=\"-\" border=\"0\" />Adresa de e-mail a fost înscrisă !</span>";
		}
		
		document.getElementById('newsletter_submit').innerHTML = "<div class=\"newsletter_button\" onclick=\"check_subscription(request, document.getElementById('textbox').value);\"><img src=\"tpl/default/images/under_construction/add.png\" /></div>";
	}
	else
	{
		document.getElementById('newsletter_submit').innerHTML = "<div class=\"newsletter_load\"><img src=\"tpl/default/images/under_construction/loading.gif\" width=\"20\" /></div>";
	}
}