Someone

<select name="categories">
    <option value="anitichitati">Antichitati</option>
    <option value="arta">Arta</option>
    <option value="bebe">Accesorii Nou-Nascuti</option>
    <option value="carti">Carti</option>
    <option value="bussiness">Business &amp; Industrial</option>
    <option value="camere">Camere &amp; Foto</option>
    <option value="masini">Masini, Barci, Vehicule &amp; Parti</option>
    <option value="mobile">Telefoane Mobile</option>
    <option value="imbracaminte">Imbracaminte &amp; Accesorii</option>
    <option value="monede">Monede</option>
    <option value="colectionabile">Colectionabile</option>
    <option value="calculatoare">Calculatoare </option>
    <option value="casa">Casa &amp; Gradina</option>
    <option value="bijuterii">Bijuterii &amp; Ceasuri</option>
    <option value="muzica">Muzica</option>
    <option value="muzicale">Instrumente Muzicale</option>
    <option value="sticla">Sticla</option>
    <option value="proprietati">Proprietati</option>
    <option value="sportive">Bunuri Sportive</option>
    <option value="stampile">Stampile</option>
    <option value="bilete">Bilete</option>
    <option value="jucarii">Jucarii &amp; Hobby</option>
    <option value="calatorii">Calatorii</option>
    <option value="jocuri">Jocuri Video</option>
    <option value="altele">Altele</option>
    <option value="categorii">Categorii</option>
	</select>

$sql = 'INSERT into licitatii (id, categorie, nume, descriere, pret, moneda, pret_blitz, localitate, durata, data) VALUES 
(NULL, '.$_POST['categories'].', '.$_POST['nume'].', '.$_POST['descriere'].', '.$_POST['pret'].', '.$_POST['moneda'].', '.$_POST['pret_blitz'].', '.$_POST['localitate'].', '.$_POST['durata'].','.$data.')';
mysql_query($sql, $conexiune) or die(mysql_error());