function login(){
var exdate=new Date();
exdate.setDate(exdate.getDate()+365);

var value = document.getElementById('user').value;
document.cookie = "user=" + value + "; expires=" + exdate.toGMTString()+"; path=/";

var value2 = document.getElementById('pass').value;
document.cookie = "pass=" + hex_md5(value2) + "; expires=" + exdate.toGMTString()+"; path=/";

new Ajax.Updater('inner', 'smask/smask.php', { method: 'get' });
}

function logout(){
var exdate=new Date();
exdate.setDate(exdate.getDate()-1);
document.cookie = "user=;expires=" + exdate.toGMTString();
document.cookie = "pass=;expires=" + exdate.toGMTString();

new Ajax.Updater('inner', 'smask/smask.php', { method: 'get' });
}