hago una consulta con el sig. form
<FORM METHOD="post" ACTION="buscarvivienda_r.php">
<p>TIPO DE VIVIENDA:
<select size="1" name="tipo">
<option selected value="opc">OPCIONAL</option>
<option value="CASA">CASA</option>
<option value="CONDOMINIO">CONDOMINIO</option>
<option value="DEPARTAMENTO">DEPARTAMENTO</option>
<option value="PENHOUSE">PENHOUSE</option>
<option value="VILLA">VILLA</option>
</select>
</p>
<p>CATEGORIA:
<select name="categoria">
<option selected value="opc">OPCIONAL</option>
<option value="CIUDAD">CIUDAD</option>
<option value="PLAYA">PLAYA</option>
<option value="PUEBLO">PUEBLO</option>
</select>
</p>
<p>RANGO DE PRECIO
<select name="precioinicial">
<option selected value="opc">OPCIONAL</option>
<option value="500">$ 500</option>
<option value="1000">$1,000</option>
<option value="2000">$2,000</option>
<option value="3000">$3,000</option>
<option value="4000">$4,000</option>
<option value="5000">$5,000</option>
<option value="6000">$6,000</option>
</select>
<select name="preciofinal">
<option selected value="opc">OPCIONAL</option>
<option value="1000">$1,000</option>
<option value="2000">$2,000</option>
<option value="3000">$3,000</option>
<option value="4000">$4,000</option>
<option value="5000">$5,000</option>
<option value="6000">$6,000</option>
</select></p>
<p>DISPONIBILIDAD:
<select name="disponible">
<option selected value="opc">OPCIONAL</option>
<option value="SI">SI</option>
<option value="NO">NO</option>
</select>
</p>
<p>NIVELES:
<select name="nivel">
<option selected value="opc">OPCIONAL</option>
<option value="1">UNO</option>
<option value="2">DOS</option>
<option value="3">TRES</option>
</select>
</p>
<font color="#FF0099">NUMERO DE HABITACIONES:</font>
<select size="1" name="nh">
<option selected value="opc">OPCIONAL</option>
<option value="1"> UNO </option>
<option value="2"> DOS </option>
<option value="3"> TRES </option>
<option value="4"> CUATRO </option>
<option value="5"> CINCO </option>
</select>
<font color="#FF0099">NUMERO DE BAÑOS:</font>
<select size="1" name="nb">
<option selected value="opc">OPCIONAL</option>
<option value="1">UNO</option>
<option value="2">DOS</option>
<option value="3">TRES</option>
<option value="4">CUATRO</option>
<option value="5">CINCO</option>
</select>
ESTACIONAMIENTO PARA
<select size="1" name="coches">
<option selected value="opc">OPCIONAL</option>
<option value="1">1 AUTO</option>
<option value="2">2 AUTOS</option>
<option value="3">3 AUTOS</option>
<option value="4">4 AUTOS</option>
<option value="5">5 AUTOS</option>
</select>
<font color="#FF0099"><strong>SERVICIOS CON LOS QUE CUENTA:</strong></font>
<table border="1">
<TR>
<td><div align="center"><font color="#FF0099">ESTUDIO </font></div></td>
<td><div align="center"><font color="#FF0099">CUARTO DE SERVICIO</font></div></td>
<td><div align="center"><font color="#FF0099">ALBERCA</font></div></td>
<td><div align="center"><font color="#FF0099">TELEFONO</font></div></td>
<td><div align="center"><font color="#FF0099">INTERNET</font></div></td>
</TR>
<TR>
<td>SI: <input type="radio" value="SI" name="estudio"></td>
<td>SI: <input type="radio" value="SI" name="cs"></td>
<td>SI: <input type="radio" value="SI" name="alberca"></td>
<td>SI: <input type="radio" value="SI" checked name="tel"></td>
<td>SI: <input type="radio" value="SI" name="internet"></td>
</TR>
<TR>
<td>NO: <input type="radio" value="NO" name="estudio"></td>
<td>NO: <input type="radio" value="NO" name="cs"></td>
<td>NO: <input type="radio" value="NO" name="alberca"></td>
<td>NO: <input type="radio" value="NO" name="tel"></td>
<td>NO: <input type="radio" value="NO" name="internet"></td>
</TR>
<TR>
<td>OPCIONAL: <input type="radio" value="opc" checked name="estudio"></td>
<td>OPCIONAL: <input type="radio" value="opc" checked name="cs"></td>
<td>OPCIONAL: <input type="radio" value="opc" checked name="alberca"></td>
<td>OPCIONAL: <input type="radio" value="opc" checked name="tel"></td>
<td>OPCIONAL: <input type="radio" value="opc" checked name="internet"></td>
</TR>
</table>
<p><input type="submit" value="Enviar datos" name="enviar">
<input type="reset" value="Restablecer" name="B2"></p>
</FORM>
//de ahi mando a llamar el siguiente script