var _spd = null, _zspd = null;

function _moveIt(_eid, _way, _max) {
        _element = _eid;
        _direction = _way;
        var _elem = document.getElementById(_eid);
        _maxrig = 0;
        if (_max == undefined) {
            _maxlef = -1200;
        } else {
            _maxlef = _max;
        }
        if (_way == "right" && parseInt(_elem.style.left) > _maxlef) {
            _elem.style.left = parseInt(_elem.style.left) - 20 + "px";
        } else if (_way == "left" && parseInt(_elem.style.left) < _maxrig) {
            _elem.style.left = parseInt(_elem.style.left) + 20 + "px";
        }
        if (_way == "left" && parseInt(_elem.style.left) < _maxrig) {
            _zspd = setTimeout("_moveIt(_element,_direction,_maxlef)", 1);
        }
        if (_way == "right" && parseInt(_elem.style.left) > _maxlef) {
            _spd = setTimeout("_moveIt(_element,_direction,_maxlef)", 1);
        }
    }


    function _stopIt() {
        if (_spd != null) {
            clearTimeout(_spd);
        }
        if (_zspd != null) {
            clearTimeout(_zspd);
        }
    }