menuopen = false;function showMenu(i) {hideMenu();menuopen=i;document.getElementById('mc'+i).style.display='block';document.getElementById('mml'+i).style.backgroundColor='#E6F8FF';}function hideMenu() {document.getElementById('mc1').style.display='none';document.getElementById('mc2').style.display='none';document.getElementById('mc3').style.display='none';document.getElementById('mml1').style.backgroundColor='';document.getElementById('mml2').style.backgroundColor='';document.getElementById('mml3').style.backgroundColor='';menuopen = false;}document.onclick = hideMenu;