function selectItem(li) {
	if (li.extra) {
		$("span.costo").html("Costo per minuto:<b> " + li.extra[0] + " eurocent</b>");
	}
}

function formatItem(row) {
	return row[0] + "<br>";//<i>" + row[1] + "</i>";
}

$(document).ready(function() {
	$("#tariffe").autocomplete("php/tariffe.php", {minChars:3, matchSubset:1, matchContains:1, cacheLength:10, onItemSelect:selectItem, formatItem:formatItem, selectOnly:1 });
});