[jQuery] Google maps

[jQuery] Google maps


Hi,
Hi have develop a google maps with a form at the top of a marker, but
i want to register information by using ajax - $post(...) -.
I've tried to manipulate the textboxes, but, with no success.
<code>
var infoTabs = [
                    new GInfoWindowTab("Dados",
                    '<form id="" method="post" action="index.php?st=guardar">' +
                    '    <div>Empresa</div>' +
                    '    <div><input type="text" id="txtempresa" size="50" /></div>' +
                    '    <div>Morada</div>' +
                    '    <div><input type="text" id="txtmorada" size="50" /></div>' +
                    '    <div>Cód. Postal - Localidade</div>' +
                    '    <div><input type="text" id="txtcp" size="10" /> <input
type="text" id="txtlocal" size="30" /></div>' +
                    '    <div>Telefone</div>' +
                    '    <div><input type="text" id="txttelf" size="12" /></div>' +
                    '    <div>Fax</div>' +
                    '    <div><input type="text" id="txtfax" size="" /></div>' +
                    '    <div>Email</div>' +
                    '    <div><input type="text" id="txtemail" size="40" /></div>' +
                    '    <div>' +
                    '        <table>' +
                    '            <tr>' +
                    '                <td>Latitude</td><td>Longitude</td>' +
                    '            </tr>' +
                    '            <tr>' +
                    '                <td><input type="text" id="txtlat" size="12" value="' +
place.Point.coordinates[1] + '" /></td><td><input type="text"
id="txtlon" size="12" value="' + place.Point.coordinates[0] + '" /></
td>' +
                    '            </tr>' +
                    '        </table></div> ' +
                 '    <div><input type="submit" id="btnguardar" value="Guardar" /