onclick event of checkbox

Hello,



In my code i want the value of checkbox when i checked the checkbox and checkbox is in select box . i am doing some changes in dhtmlxcombo_extra.js file . and also fired onclick function but its give me “undefined” when i chekced the check the checkbox please give me solutions so i will find the value of the chexckbox onclick event. also i am fired click event on input type text and also copmbo list box but it give me “undefined”. please give me solutions so i when i checked the checkob then it gives me all thevalue of checkbox. i am sending u my code also js file .





































html file









Checkbox Select









Checkbox Select



























php files



<?php



    header(“Content-type:text/xml”);



    ini_set(‘max_execution_time’, 7000);



    require_once(‘config.php’);







    print("<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>");



?>



<?php



    $link = mysql_pconnect($mysql_host, $mysql_user, $mysql_pasw);



    $db = mysql_select_db ($mysql_db);







    if (!isset($_GET[“pos”])) $_GET[“pos”]=0;







    







    //print one level of the tree, based on parent_id



    //function getDataFromDB($mask){



        $sql = “SELECT DISTINCT item_nm FROM countries”;



//    echo “ppp”.    $sql.= " Order By item_nm LIMIT “. $_GET[“pos”].”,100";







        



            print("");



            $res = mysql_query ($sql);



        if($res){



            while($row=mysql_fetch_array($res)){



                print("<option value="".$row[“item_nm”]."">");



                print($row[“item_nm”]);



                print("");



            }



        }else{



            echo mysql_errno().": “.mysql_error().” at “.LINE.” line in “.FILE.” file
";



        }



        print("");



    //}



?>











dhtmlxcombo_extra.js



//v.2.5 build 91111







/*



Copyright DHTMLX LTD. sales@dhtmlx.com



*/



i have done some changes in this file please chekc it and giv eme proper solution of my problem.


Hello,


combo provides onCheck event. It occurs when option checkbox is clicked:


combo.attachEvent(“onCheck”,function(value,state){


/your code here/


return true


})