// скрываем поле ввода пароля
document.getElementById ('flogin').style.display = 'none'

ie = /MSIE/.test (navigator.userAgent) 
op = /Opera/.test (navigator.userAgent)

// обработчик
kd = function (pevent) {
  if (!ie && pevent) event = pevent
  // ctrl-shift-l
  if (76 == event.keyCode && event.shiftKey && event.ctrlKey) {
    if ('none' == document.getElementById ('flogin').style.display) {
      document.getElementById ('flogin').style.display = 'block'
      document.getElementById ('passw').focus ()
    } else {
      document.getElementById ('flogin').style.display = 'none'
      if (!ie && !op) {
        document.getElementsByTagName ('a')[0].focus ()
        document.getElementsByTagName ('a')[0].blur ()
      }
    }
    if (!ie) event.stopPropagation ()
  }
  // escape
  if (27 == event.keyCode) {
    document.getElementById ('flogin').style.display = 'none'
    if (!ie && !op) {
      document.getElementsByTagName ('a')[0].focus ()
      document.getElementsByTagName ('a')[0].blur ()
    }
  }
}

// вешаем обработчик
if (ie) {
  document.attachEvent ("onkeydown", kd)
  document.getElementById ('passw').onblur = 'document.getElementById(\'flogin\').style.display = \'none\''
} else {
  document.addEventListener ("keyup", kd, true)
  document.getElementById ('passw').onblur = function () { document.getElementById('flogin').style.display = 'none' }
}