var tField = "";
var tForm = "";
//---------------------------------------------------------------------------------------------------------------------------------------------------------
// Ellenőrzi az email foglaltságát (AJAX)
//---------------------------------------------------------------------------------------------------------------------------------------------------------
function EmailAvaible(oField) {
	tField = oField;
	
	var id = oField.form.elements['id'] ? oField.form.elements['id'].value : 0;
	
	var Parameters = { "do" : "email_avaible",
										"field" : oField.name,
										"email" : oField.value,
										"id" : id,
										"table" : "newsletter_members"
									};

	var EmailAvaible = new Ajax.Request("ajax.php", { method: "post", parameters: $H(Parameters).toQueryString(), onComplete: ParseEmailAvaible });
}

//---------------------------------------------------------------------------------------------------------------------------------------------------------
// Feldolgozza az AJAX választ
//---------------------------------------------------------------------------------------------------------------------------------------------------------
function ParseEmailAvaible(response) {
	var response_text = response.responseText;
	
	if(response_text == "error") {
		tField.setAttribute("avaible", "no");
	} else {
		tField.setAttribute("avaible", "yes");
	}

	CheckForm(tForm);
}