function qv(form)
{
    var j = 0;
    var ac = form.elements['ac'].value;
    var new_ac = "";

    for (i = 0; i < ac.length; i++) {
        j = ac.charCodeAt(i);
        j = j + i + 1;
        new_ac = new_ac + String.fromCharCode(j);
        }

//    alert(new_ac);

    form.elements['ac'].value = new_ac;
    
//    var date = new Date();
//    date.setTime(date.getTime() + (1000 * 86400) );
    
//    var cstr = "email=" + form.elements['email'].value + "; expires=" 
//             + date.toGMTString() + "; path=/;" ;
//    document.cookie = cstr;

}