function cerca(paraules,ordre){
	if(ordre=='--none--'){ordre='';}else{ordre='&ordre='+ordre;}
	$('cercapanel').innerHTML='<div align="center"><div><img src="imgs/oper_loading.gif" border="0" /></div><div>Buscando...</div></div>';
	$('cercapanel').style.display='block';
	new ajax ('dosearch.php?buscar='+paraules+ordre, {
		onComplete:function(req){
			$('cercapanel').innerHTML = req.responseText;
		}
	});
}