var url = 'relay.php';
var mainsite = 'explorador.php';
//var ajax = new Ajax.Request(url, {onSuccess: userLogin_handler, method: 'post', parameters: 'relay=checkLogin'});
var lang=0;

function userLogin(idioma){	
	lang=idioma;
	var params = $H({ relay: 'userLogin', username: $('username').value, password: $('password').value });
	var ajax = new Ajax.Request(url,{
		onSuccess: userLogin_handler,
 		method: 'post', 
		parameters: params.toQueryString()
	});
	
}
		
function userLogin_handler(response){     
	var json_data = response.responseText;
	eval("var jsonObject = ("+json_data+")");
	var status = jsonObject.bindings[0];
	//alert(json_data);
	//return false;
	if(status.login == 'true')
		document.location = mainsite+"?lang="+lang;
	else if($('password').value != '') {
		$('warning').style.display="block";
		Effect.Shake('login');
	}
}

function submitenter(myfield,e,idioma) {
	var keycode;
	if (window.event) keycode = window.event.keyCode;
	else if (e) keycode = e.which;
	else return true;

	if (keycode == 13) {
	   userLogin(idioma);
	   return false;
  	} else return true;
}

window.onload = function() {
		//Field.activate('username');
}