Cuando puse todo el codigo dentro del select gane mas errores todavia...
Código:
<form action="">
<select name="asdsa"<SELECT class="select2" name="cat"
onchange="location.href=options[selectedIndex].value; return true;" size="1" style="font-family: Verdana; font-size: 9px; color: #008000; font-weight: bold">
<option selected>Tu Provincia</option>
<option value="------------">------------</option>
<option>Buenos Aires</option>
<option>Cordoba</option>>
</select>
</form>