Hi Allen, here's part of my code
<FORM ACTION="<? ECHO $PHP_SELF ?>" METHOD="POST">
<table border=0>
<tr><th align=middle>Voltaje de alimentación</th>
<td><SELECT NAME=aliframer>
<OPTION>
<OPTION VALUE="EFR1IDCM-1000">-48 VDC
<OPTION VALUE="EFR1IACM-000">110/220 AC
</SELECT></td></tr>
<tr><th align=middle>Arnés</th>
<TD><SELECT NAME=arnframer>
<OPTION>
<OPTION VALUE="SARMPED25D2500">Arnés Kb Switch 1 (DB25 macho)
<OPTION VALUE="SARMPED25D2600">Arnés Kb Switch 2 (DB26 macho)
<OPTION VALUE="SARMPED25WNH00">Arnés DCE Winchester hembra
</SELECT></td></tr></TABLE><br><br>
<input type="submit" value="Continuar">
</FORM>
<?
IF(isset($aliframer) and isset($arnframer)) {
$base="catco";
mysql_connect();
$cadena="SELECT * from Catalogo"
." WHERE Componente LIKE '$aliframer'"
." OR Componente LIKE '$arnframer'";
mysql_select_db($base);
$Result=mysql_query($cadena);
$RowCount=mysql_num_rows($Result);
phpinfo();
ECHO "<P align=center>";
ECHO "<TABLE border=2 CELLSPACING=2>";
ECHO "<TR><TH>COMPONENTE</TH><TH>DESCRIPCIÓN</TH><TH>CANTIDAD</TH>";
$i = 0;
WHILE ( $i < $RowCount){
ECHO "<TR>";
ECHO "<TD>" . MYSQL_RESULT($Result,$i,"Componente") . "</TD>";
ECHO "<TD>" . MYSQL_RESULT($Result,$i,"Descripcion") . "</TD>";
ECHO "<TD>"."1"."</TD></TR>";
$i++;
} // end while
mysql_free_result($Result);
ECHO "</table></P>";
} //acaba isset
?>
sorry for the words in Spanish :-), thanks again