function add_friend(kid_id) {
	var url = 'novo/include/backend_add_friend.php';
	var pars = "friend_id=" + kid_id;
	
	$('link_add_friend').innerHTML="adicionando...";

	var myAjax = new Ajax.Updater(
		{success: 'link_add_friend'}, url, {asynchronous: true, method: 'post', parameters: pars, onFailure: function(){alert('Sorry. There was an error.');}}
	);
	
	return false;
}