$(document).ready(function(){
$("#old_password,#user_password,#new_password").nakedPassword({path: "/js/jquery/nakedpassword/images/"});
});
function update(){
$("#submit_button").attr("disabled","disabled");
$("#submit_button").val('update...');
Dyhb.AjaxSubmit('passwordUpd','',null,complete);
}
function complete(data,status){
$("#submit_button").attr("disabled", false);
$("#submit_button").val("更新");
}