var domready = false;
var leftFx;
var navTimer;
var moveListener = function(e) {
    //mouse is...
    if(e.page.y < 234 || e.page.y > 403 || e.page.x < 36 || e.page.x > 315) {
        leftNavClose();
        document.removeEvent('mousemove', moveListener);
        $('leftNavTab').addEvent('mouseover', leftOnListener);
    }
}
var leftOnListener = function() {
        leftNavOpen();
        $('leftNavTab').removeEvent('mouseover', leftOnListener);
        document.addEvent('mousemove', moveListener);
}

window.addEvent('domready', function() {
    leftFx = new Fx.Tween($('leftNav'));
    $('leftNavTab').addEvent('mouseover', leftOnListener);
});

function leftNavOpen() {
    leftFx.start('width', '277px');
}

function leftNavClose() {
    leftFx.start('width', '51px');
}