/**
 * @author rgaumond
 */

var current_goup;
function load_left_pane(activity_id)//listing in activity list
{
	current_goup = activitees_info.find(function(act){return (act.id == activity_id);}).group;
	create_list(activitees_info.findAll(function(act){
		return (act.level != 3 
		&& act.group==current_goup);
	}),  $("activity_details_list"));	
	// disable nav buttons
	disable_nav();
}

function load_precedentes()
{
		$("activity_details_list").innerHTML = "";
		create_list(activitees_info.findAll(function(act){
			return (act.level != 3 &&
			act.group == (current_goup - 1));
		}), $("activity_details_list"));
		current_goup--;
	
	disable_nav();
}
function load_suivantes()
{
		$("activity_details_list").innerHTML = "";
		create_list(activitees_info.findAll(function(act){
			return (act.level != 3 &&
			act.group == (current_goup +1));
		}), $("activity_details_list"));
		current_goup++;

	disable_nav();
}

function disable_nav()
{
	var activity_list_max = activitees_info.max(function(act){
		return act.group;
	});

	if (current_goup == 0)  
		$("nav_precedentes").style.display="none";
	else
		$("nav_precedentes").style.display="block";
	
	if (current_goup == activity_list_max)
		$("nav_suivantes").style.display="none";
	else
		$("nav_suivantes").style.display="block";
}