结束日期不能小于开始日期

//比较两个时间大小
        function CompareDateTime(BegDate, Enddate) {
            if (Enddate < BegDate) {
                return false;
            }
            return true;
        }

//        查询开始
        function Query() {
            var BegDate = $("#txtBegDate").val();
            var VSRHContent = $("#QueryVSRHContent").val();
            var CompanyName = $("#QueryCompanyName").val();
            var Enddate = $("#txtEnddate").val();
            var VSRHPhone = $("#QueryVSRHPhone").val();
            var VSRHState = $("#ddlSendStatus").val();

            if (false == CompareDateTime(BegDate, Enddate)) {
                topTip.setData({
                    tipText: "结束日期不能小于开始日期！",
                    tipType: "warn"
                }).autoShowTopTip();
                return;
            }
            //传值到后台并进行相关操作

            $.ajax(
                {
                    type: 'POST',
                    url: 'VoiceAlarmRecord.aspx',
                    dataType: 'text',
                    data: { Action: 'Query', BegDate: BegDate, VSRHContent: VSRHContent, CompanyName: CompanyName,Enddate: Enddate, VSRHPhone: VSRHPhone, VSRHState: VSRHState},
                    cache: false,
                    beforeSend: function ShowdivShowChangeQueryInfo() {
                        topTip.setData({
                            tipText: "正在获取数据...",
                            tipType: "loading"
                        }).showTopTip();
                    },
                    success: OperateCallBack,
                    error: function (XMLHttpRequest, textStatus, errorThrown) {
                        topTip.setData({
                            tipText: "网络错误，请重试！",
                            tipType: "warn"
                        }).autoShowTopTip();
                    }
                });
        }
        function OperateCallBack(strs) {
            if (strs != "Empty") {
                topTip.hideTopTip();
                $("#ShowInfo").html(strs);
            }
            else {
                topTip.setData({
                    tipText: "没有匹配的数据！",
                    tipType: "error"
                }).autoShowTopTip();
                $("#ShowInfo").html("没有匹配的数据");
            }
        }
        //        查询结束

附

//比较两个时间大小
        function CompareDateTime(StartDateTime, StopDateTime) {
            var start = Date.parse(StartDateTime.replace("-", "/"));
            var stop = Date.parse(StopDateTime.replace("-", "/"));
            if (stop < start) {
                return false;
            }
            return true;
        }