javascript - Cascading Select with jCombo -


i want create triple nested select first of try simple select.

but select remain blank.

can gime me hint?

this page:

<html><head> <script type="text/javascript" src="http://code.jquery.com/jquery-latest.min.js"></script> <script type="text/javascript" src="jquery.jcombo.js"></script> </head>  <body> <select name="list1" id="list1"></select><br /> <!--<select name="list2" id="list2"></select><br /> <select name="list3" id="list3"></select>--> <script type="text/javascript"> $( document ).ready(function() {   {     $("#list1").jcombo("getbuilding.php", { selected_value : '1' } );     //$("#list2").jcombo("getstates.php?id_country=", { parent: "#list1" });      //   $("#list3").jcombo("getcities.php?id_state=", { parent: "#list2" }); });</script> </body></html>

where getbuilding.php is: 

<?php require_once 'dbconnection.php'; $db_server = mysql_connect($db_hostname, $db_username, $db_password); if (!db_server) die("unable connection_aborted mysql: " . mysql_error()); mysql_select_db($db_database) or die ("unable connection_aborted mysql: " . mysql_error());       // esegui query nel giusto ordine      //(value,text)     $query = "select * building";     $result = mysql_query($query);     $items = array();    if($result && mysql_num_rows($result)>0) {         while($row = mysql_fetch_array($result)) {             $option = array("id" => $row[0], "value" => htmlentities($row[1]));             $items[] = $option;         }             }     mysql_close();     $data = json_encode($items);     // convertire in formato json e stampare     $response = isset($_get['callback'])?$_get['callback']."(".$data.")":$data;     echo($response);    ?>

this page works. obtain data formatted correctly.

[{"id":"1","value":"building1"},{"id":"2","value":"building2"},{"id":"4","value":"building3"},{"id":"5","value":"building4"}] not appear in select.

thanks

the problem firefox not compatible jcombo.. works explorer of chrome!


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