function doValidate() {
	var code = getParameter(document.URL, "validationCode");
	if (code == '' || code == undefined || code == "null") {
		$('messageZone').innerHTML = "el código de validación está nulo. No se puede validar.";
		return;
	}
	var url = '/app/application';
	var pars = "action=updateUserStatus&validationCode="+code;
	new Ajax.Request(url,{	
		method:'POST',
		parameters: pars,
		encoding: 'UTF-8',
		onSuccess: function(resp) {
			$('messageZone').innerHTML = "";
			var data = resp.responseText.evalJSON(true);
			if (data.error == 0) {
				$('messageZone').innerHTML = data.answerMessage;
				$('processingMessage').hide();
				$('linkZone').show();
				//location.pathname = "/";
			} else {
				$('messageZone').innerHTML = data.errorMessage;
				$('processingMessage').hide();
			}
		}
	});
}