hi all;
Sory for disturbanced, Im just newbie in PHP really needed your help Smiley, basically i have created three dropdown list. but I got a problem to display the value on selected category. here is my problem,

I create a three dropdown list which is passing each parameter, when I select the first dropdown list, the second and the third dropdown list is going to change base on the parameter I inputed, and alo it display the value base on get the id, which is i have no problem in my first selection, my problem is, when i select the value on second dropdown list I cannot display the value on for the second selector and desame with the third dropdown list.

here is my code..

<form id="myRegion" method="get" action="index.php">
<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<select name="select" style="width:200px" onchange="myRegion()">

<option value="all">Region</option>

<?php
$ForRegion=region::getAllRegion();
if (!isError($ForRegion)){
foreach ($ForRegion as $element => $value) {
echo '<option value="'.$value->Region_id.'"';
if ($value->Region_id==@$region)
echo ' selected="selected"';
echo '>'.$value->displayName.'</option>';
}
}
?>
</select>

<input type="hidden" name="menu" value="region"></input>
</p>
</form>
<form id="myProvince" method="get" action="index.php">
<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<select name="select" style="width:200px" onchange="myProvince()">

<option value="all">Province</option>

<?php

$ForProvince=province::getProvinceById($region);
if (!isError($ForProvince)){
foreach ($ForProvince as $element => $value) {
echo '<option value="'.$value->Province_id.'"';
if ($value->Province_id==@$province)
echo ' selected="selected"';
echo '>'.$value->displayName.'</option>';
}
}

?>
</select>
<input type="hidden" name="menu" value="province"></input>
</p>
</form>
<form id="myForm" method="get" action="index.php">
<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<select name="select" style="width:200px" onchange="formS()">
<option value="all">All cities</option>
<?php
$cities=city::getCitiesById($region);
if (!isError($cities)){
foreach ($cities as $element => $value) {
echo '<option value="'.$value->City_id.'"';
if ($value->City_id==@$city)
echo ' selected="selected"';
echo '>'.$value->displayName.'</option>';
}
}
?>
</select>

<input type="hidden" name="menu" value="city"></input>
</p>
</form>
hope anyone can help me. because I lost my power