/**
* performing login request
*/
function check_login()
{
  $("#login_ai").show();
	$.post("ajax/login.php", $("#login_form").serialize(), validate_actions, "json");
}

/**
* actions after form validation performed
*/
function validate_actions(data)
{
	//alert(data);
  $("#login_ai").hide();
	if (data.result == 'ok')
	{
    location.href = 'user_area.php';
	}
	else if ( (data.result == 'errors') && (data.content.length > 0) )
	{
		$.each(data.content, function (key, error) {
		  $.jGrowl(error, {life: 10000});
		});
	}
}