var _timeToCloseMenuPop;    //关闭PopupDiv时间function
var _lastOutId;    //上一次激活mouseout的ID
$(function() {
    $("#_aboutComLi,#_newsLi,#_comProfileLi").mouseover(function() {
        var _tId = $(this).attr("id");
        if (_tId == _lastOutId)
            window.clearInterval(_timeToCloseMenuPop);
        else {
            //$("#" + _lastOutId + " div").css({ "display": "none" });
            $("#" + _lastOutId + " div").css({ "visibility": "hidden" });
            window.clearInterval(_timeToCloseMenuPop);
        }
        //$("#" + _tId + " div").css({ "display": "block" });
        $("#" + _tId + " div").css({ "visibility": "visible" });
    }).mouseout(function() {
        var _tId = $(this).attr("id");
        _lastOutId = _tId;
        _timeToCloseMenuPop = setInterval(function() {
            //$("#" + _tId + " div").css({ "display": "none" });
            $("#" + _tId + " div").css({ "visibility": "hidden" });
        }, 1500);
    });
});