function init(form){
  if(form == null)
    form = 'default';

  switch(form){
    case 'loginForm':
      showLoginFormOnly();
      setFocus();
      break;
    case 'signupForm':
      showSignupFormOnly();
      break;
    case 'forgetForm':
      showForgetFormOnly();
      break;
    default:
      showLoginFormOnly();
      setFocus();
      break;
  }
}

function setFocus(){
  //set focus on username login form
  var login = document.getElementById("login");
  var pw = document.getElementById("pw");
  
  if (login.value == null || login.value == ""){
    login.focus();
  }
  else{
    pw.focus();
  }
}

function showForgetFormOnly(){
  setVisible('login_form',false);
  setVisible('signup_form',false);
  setVisible('forget_form',true);
}

function showLoginFormOnly(){
  setVisible('forget_form',false);
  setVisible('signup_form',false);
  setVisible('login_form',false);
  setVisible('login_form',true);
}

function showSignupFormOnly(){
  setVisible('forget_form',false);
  setVisible('login_form',false);
  setVisible('signup_form',true);
}



function countryOnSelect(dropDown,form_signup){
  var wo_province_list = new Array(
    159, //singapore
    173  //Taiwan
  );
  var hasMatch = false;

  for (var i=0; i<wo_province_list.length; i++)
  {
    if(wo_province_list[i] == dropDown.value){
      hasMatch = true;
      break;
    }
  }

  if(hasMatch){
    form_signup.province.disabled=true;
    form_signup.province.value="";
  }
  else
    form_signup.province.disabled=false;
}