function refreshLatestEventUpgradeBlocks(){if(typeof(window.current_user)=='undefined'){window.current_user=Templater.readCookie('current_user');}
if((current_user&&current_user.is_premium_member)||!current_user){$$('.upgrade_block .upgrade_presale').invoke('hide');$$('.upgrade_block .upgrade_sale_running').invoke('hide');}
else if(current_user&&typeof(latest_data)!='undefined'&&latest_data&&latest_data.premium_only_event_ids){latest_data.premium_only_event_ids.each(function(event_id){$('upgrade_presale_'+event_id).hide();$('upgrade_sale_running_'+event_id).show();});}
if(!current_user){$$('.upgrade_block .join').invoke('show');}}