<?php    
    mysql_connect("localhost","root","");    
    mysql_select_db("koperasi");    
    $result = mysql_query("select * from kecamatan");    
    $jsArray = "var kecamatan = new Array();\n";    
    echo 'Kode Kecamatan : <select name="kode_kecamatan" onchange="changeValue(this.value)">';    
    echo '<option>-------</option>';    
    while ($row = mysql_fetch_array($result)) {    
        echo '<option value="' . $row['kode_pos'] . '">' . $row['kode_pos'] . '</option>';    
        $jsArray .= "kecamatan['" . $row['kode_pos'] . "'] = {name:'" . addslashes($row['nama_kecamatan']) . "'};\n";    
    }    
    echo '</select>
	Nama Kecamatan : <input type="text" name="kecamatan" id="tampil_kecamatan"/>';    
    ?>    
      
      
    
	
	<?php    
    $result = mysql_query("select * from agama");    
    $jsArray1 = "var agama = new Array();\n";    
    echo 'Kode Agama : <select name="kode_agama" onchange="changeValue(this.value)">';    
    echo '<option>-------</option>';    
    while ($row = mysql_fetch_array($result)) {    
        echo '<option value="' . $row['id_agama'] . '">' . $row['id_agama'] . '</option>';    
        $jsArray1 .= "agama['" . $row['id_agama'] . "'] = {name:'" . addslashes($row['nama_agama']) . "'};\n";    
    }    
    echo '</select>
	Agama : <input type="text" name="agama" id="tampil_agama"/>';    
    ?>

    <script type="text/javascript">    
    <?php echo $jsArray; $jsArray1; ?>  
    function changeValue(id){  
    document.getElementById('tampil_kecamatan').value = kecamatan[id].name;
	document.getElementById('tampil_agama').value = agama[id].name;
    };
    </script>