function KeyDown(fom,x)
{
  if (x == 13)
  {
    loginChk(fom);
  }
}

function mb_KeyDown(fom,x)
{
  if (x == 13)
  {
    mb_login(fom);
  }
}

function loginChk(fom)
{
  fom.username.value= fom.username.value.trim();
  fom.userpswd.value= fom.userpswd.value.trim();

  var chkitem;

  chkitem = check_null(fom.username.value) + check_char(fom.username.value) + check_ac(fom.username.value);
  if( chkitem != "" )
  {
    alert( "\"帳號\"" + chkitem );
    fom.username.focus();
    return false;
  }

  chkitem = check_null(fom.userpswd.value) + check_char(fom.userpswd.value) + check_pw(fom.userpswd.value);
  if( chkitem != "" )
  {
    alert( "\"密碼\"" + chkitem );
    fom.userpswd.focus();
    return false;
  }


  if(fom.op.value == 'login')
  {
    fom.action='login_rs.php';
    fom.target="ifrm";
    fom.submit();
  }
}

function mb_login(fom)
{
  fom.modname.value='login';
  fom.op.value='login';
  fom.action='index.php';
  fom.target="ifrm";

  fom.email.value= fom.email.value.trim();
  fom.userpswd.value= fom.userpswd.value.trim();

  var chkitem;

  chkitem = check_null(fom.email.value) + check_mail(fom.email.value);
  if( chkitem != "" )
  {
    alert( "\"電子郵件\"" + chkitem );
    fom.email.focus();
    return false;
  }

  chkitem = check_null(fom.userpswd.value) + check_char(fom.userpswd.value) + check_pw(fom.userpswd.value);
  if( chkitem != "" )
  {
    alert( "\"密碼\"" + chkitem );
    fom.userpswd.focus();
    return false;
  }


  if(fom.op.value == 'login')
  {
    fom.submit();
  }
}
function mb_sendpw(fom)
{
  fom.modname.value='login';
  fom.op.value='sendpw';
  fom.action='module.php';
  fom.target="ifrm";

  fom.email3.value= fom.email3.value.trim();

  var chkitem;

  chkitem = check_null(fom.email3.value) + check_mail(fom.email3.value);
  if( chkitem != "" )
  {
    alert( "\"電子郵件\"" + chkitem );
    fom.email3.focus();
    return false;
  }

  if(fom.op.value == 'sendpw')
  {
    fom.submit();
  }
}