function popup(url,nome,width,height,scrollbars){
	if (scrollbars=="1") {
		scrollbars="yes"
	} else {
		scrollbars="no"
	}
	var pop = window.open(url,nome,'scrollbars=' + scrollbars + ',width=' + width + ',height=' + height + ',menubar=no,left=10,top=10');
	pop.focus();
}

function ricercaValida(){
	if (document.ricerca.elements['search'].value.length<3){
		return false;
	}
	return true;
}