function qualemotore() {
	var mot=document.ricerca.motori.options[document.ricerca.motori.selectedIndex].value;
	var query=document.ricerca.query.value;
	if (!query) {
		alert("Manca la parola da ricercare");
		return false;
	}
	query=escape(query);
	switch (mot) {
		case "speedyfind" :
			document.speedy.search.value=unescape(query);
//			document.write ("<form name=ppp action=http://www.speedyfind.com/index.html method=post  target=_blank>\n<input type=hidden name=search value="+query+">");
			document.speedy.submit();
//			var pp=window.open("http://www.speedyfind.com/index.html?pippo="+query,"_blank");
			break;
		case "altavista":
			var pp=window.open("http://www.altavista.com/q?pg=q&q="+query+"&kl=XX&what=it","_blank");
			break;
		case "google":
			var pp=window.open("http://www.google.com/search?q="+query+"&hl=it&lr=","_blank");
			break;
		case "yahoo":
			var pp=window.open("http://www.yahoo.com/search/it?p="+query,"_blank");
			break;
		case "lycos":
			var pp=window.open("http://www.lycos.com/cgi-bin/pursuit?matchmode=and&mtemp=main&etemp=error&query="+query+"&cat=it","_blank");
			break;
		case "excite":
			var pp=window.open("http://www.excite.com/cerca/web/risultati?c=web&sort=doc&search="+query+"&look=excite_it&c=web&lang=it&showSummary=true&start=0&perPage=10","_blank");
			break;
		case "toscana":
			document.ricerca.action='vai_motori.php';
			var pp=document.ricerca.submit();
			break;
		}
	return false;
}