如何用myecplice运行下载的一个java物流管理系统

                    <table class="wl_detaildata" id="dataarea">
                        <tr>
                            <td>订单号</td>
                            <td></td>
                        </tr>
                        <tr>
                            <td>货物名称</td>
                            <td></td>
                        </tr>
                        <tr>
                            <td>货物数量</td>
                            <td></td>
                        </tr>
                        <tr>
                            <td>运力工具</td>
                            <td></td>
                        </tr>
                        <tr>
                            <td>发货人</td>
                            <td></td>
                        </tr>
                        <tr>
                            <td>发货人电话</td>
                            <td></td>
                        </tr>
                        <tr>
                            <td>收货人姓名</td>
                            <td></td>
                        </tr>
                        <tr>
                            <td>收货人电话</td>
                            <td></td>
                        </tr>
                        <tr>
                            <td>收货地址</td>
                            <td></td>
                        </tr>
                    </table>
            </form>
        </div>
    </div>
    <div class="wl_foot">
        南大苏富物IBM-ETP实训基地 2011-10-01
    </div>
</div>
<script src="../js/Util.js"></script>
<script src="../js/showServerTime.js"></script>
<script type="text/javascript">
    var myForm = document.myForm;
    var operate = myForm.operate;
    $("btnQuery").onclick = function(){
        operate.value = "1";//标识查询操作
        myForm.submit();
    };
    $("btnDel").onclick = function(){
        operate.value = "2";//标识删除操作
        myForm.submit();
    };

    window.onload = function(){
        var stateOptions = myForm.stateList.options;
        var selOptionValue = myForm.curState.value;
        for(var i = 0 ; i < stateOptions.length ; i++){
            if(stateOptions[i].value == selOptionValue){
                stateOptions[i].selected = true;
                break;
            }
        }
        $("dataarea").style.display = "none";
    };

    $("btnSelAll").onclick = function(){
        var chkItems = $N("chkItem");
        for(var i = 0 ; i < chkItems.length ; i++){
            if(chkItems[i].type == "checkbox"){
                chkItems[i].checked = true;
            }
        }
    };
    $("btnSelNot").onclick = function(){
        var chkItems = $N("chkItem");
        for(var i = 0 ; i < chkItems.length ; i++){
            if(chkItems[i].type == "checkbox"){
                chkItems[i].checked = false;
            }
        }
    };


    function showDetail(id){
        var xhr = createXHR();
        var uri = "getdispatchdetail?" + encodeURIComponent("dispatch") + "=" + encodeURIComponent(id) + "&fresh=" + Math.random();
        xhr.onreadystatechange = function(){
            if(xhr.readyState == 4){
                if(xhr.status == 200){
                    var result = xhr.responseText.split(":");
                    var detailTable = $("dataarea");
                    for(var i = 0 ; i < detailTable.rows.length ; i++){
                        clear(detailTable.rows[i].cells[1]);
                        detailTable.rows[i].cells[1].appendChild(document.createTextNode(result[i]));
                    }
                    $("dataarea").style.display = "block";
                }
            }
        };
        xhr.open("get",uri,true);
        xhr.send(null);
    }

    function clear(par){
        while(par.childNodes.length > 0){
            par.removeChild(par.childNodes[0]);
        }
    }
</script>

这是出错的截图。