// JavaScript Document
var mnuActive = 0

function chiudi_menu() {
  document.getElementById('organi').style.display = 'none'
  document.getElementById('atti').style.display = 'none'
  document.getElementById('servizi').style.display = 'none'
  document.getElementById('info').style.display = 'none'
}

function menu(num, nome) {
  var visible = 'true'
  var mnuBit = (1 << num)
  mnuActive ^=  mnuBit
  if ((mnuActive & mnuBit) == mnuBit) visible = '' 
  document.getElementById(nome).style.display = visible
}

function linkon(itm)
{
  var nome = "image/menu/" + itm.name + "_on.gif"
  itm.src= nome
  itm.style.cursor='pointer'
}

function linkoff(itm, idMenu)
{
  var mnuBit = (1 << idMenu)
  var nome = "image/menu/" + itm.name + "_off.gif"
  if ( ((mnuActive & mnuBit) == 0) || (idMenu=='')) itm.src = nome
  itm.style.cursor='default'
}