function check_login(){
	//check_date();
	var sec =(new Date()).getSeconds();
	var url='includes/check_user.php?'+sec;
	var ajax = new Ajax.Updater('member_block',url,
				{ method: 'GET'
					});
}
function check_date(){
	var sec =(new Date()).getSeconds();
	var url='includes/check_date.php?'+sec;
	var ajax = new Ajax.Updater('date_block',url,
				{ method: 'GET'
					});
}
function show_act_stars(act_id){
	var sec =(new Date()).getSeconds();
	var url='includes/show_act_stars.php?act_id='+act_id+"&"+sec;
	var ajax = new Ajax.Updater('star',url,
				{ method: 'GET'
					});
}

function show_travel_stars(t_id){
	var sec =(new Date()).getSeconds();
	var url='includes/show_travel_stars.php?t_id='+t_id+"&"+sec;
	var ajax = new Ajax.Updater('star',url,
				{ method: 'GET'
					});
}