function sync(){
//new Ajax.PeriodicalUpdater('feeds_content', site_url + 'ajax_handler.php?module=sync/&func=sync&sig='+$('last_sig').value, {evalScripts:true,frequency:1,insertion: Insertion.Top});
new Ajax.Updater('feeds_content', site_url + 'ajax_handler.php?module=sync/&func=sync&sig='+$('last_sig').value, {evalScripts:true,frequency:1,insertion: Insertion.Top,onComplete:''});
setTimeout('sync()',10000);
}
function add_favorite(id,sig,user){
if (user){
new Ajax.Request(site_url + 'ajax_handler.php?module=favorite/add/&topic_id='+id, { method:'get' });
new Effect.Highlight(sig, {startcolor:'#ffffff',endcolor:'#ffff99',restorecolor:'#ffff99'})
}else{
Modalbox.show(site_url+'login/?add_fav='+id,{title: 'Login box', width: 400});
}
}