function limpiar(id) {
	document.getElementById(id).value = "";
}

var encodeFunc = encodeURIComponent? encodeURIComponent: encodeURI;
function encodeQueryParam(e) {
	return encodeFunc(e.name) +"="+ encodeFunc(e.value);
}

function find(frm) {
	var txt = frm.text.value = frm.text.value.trim();
	if (txt == "") {
		alert("Por favor ingrese la palabra a buscar.");
		return false;
	}
	if (txt.length < 3) {
		alert("Por favor ingrese al menos 3 caracteres.");
		return false;
	}
	var lmnts = frm.elements,
		qs = new Array(), i;
	for (i = 0; i < lmnts.length; ++i) {
		if (lmnts[i].type == "checkbox") {
			if (lmnts[i].checked)
				qs.push(encodeQueryParam(lmnts[i]));
		}
		else
			qs.push(encodeQueryParam(lmnts[i]));
	}
	window.location.href = "../interior/index.php?"+ qs.join("&");
}