PROBLEMA al extraer id para muestra d listado

[T4ke0veR]

desde este combo box

Código PHP:

  <form name="form" id="form2"> 
                            <div align="right"><span class="textostitulos">Condici&oacute;n del inmueble 
                                <select name="jumpMenu2" class="textoprincipal" id="jumpMenu2" onchange="MM_jumpMenu('parent',this,0)"> 
                                    <option value="">Seleccione</option> 
                                    <option value="in_secorder.php?cat=1">Alquiler</option> 
                                    <option value="in_secorder.php?cat=2">Venta</option> 
                                                                                                  </select> 
                              </span><br /> 
                            </div> 
                        </form>