function beginLogin()
{
    var uObj=document.getElementById("tbx_UserName");
    var pObj=document.getElementById("tbx_Password");
    var cObj=document.getElementById("tbx_Code");
    if(uObj.value==""||pObj.value==""||cObj.value=="")
    {
        alert("你的输入有误！");
        return;
    }
    var xmlHttp=_xuJsLibrary._extendFn.xmlHttpInit(function(){
        if(xmlHttp.readyState==4||xmlHttp.readyState=="complete")
        {
            var res=xmlHttp.responseText;
            if(res=="ok")
            {
                uObj.value="";
                pObj.value="";
                cObj.value="";
                window.open("/Operate/main.html");
            }
            else 
                alert("登录失败");
        }
    });
    xmlHttp.open("POST","/Ajax/Login.aspx",true);
    xmlHttp.setRequestHeader("content-type","application/x-www-form-urlencoded;charset=utf-8");
    xmlHttp.send("u="+escape(uObj.value)+"&p="+escape(pObj.value)+"&c="+escape(cObj.value));
}

function beginLogin1()
{
    var uObj=document.getElementById("left_tbx_UserName");
    var pObj=document.getElementById("left_tbx_Password");
    var cObj=document.getElementById("left_tbx_Code");
    if(uObj.value==""||pObj.value==""||cObj.value=="")
    {
        alert("你的输入有误！");
        return;
    }
    var xmlHttp=_xuJsLibrary._extendFn.xmlHttpInit(function(){
        if(xmlHttp.readyState==4||xmlHttp.readyState=="complete")
        {
            var res=xmlHttp.responseText;
            if(res=="ok")
            {
                uObj.value="";
                pObj.value="";
                cObj.value="";
                window.open("/Operate/main.html");
            }
            else 
                alert("登录失败");
        }
    });
    xmlHttp.open("POST","/Ajax/Login.aspx",true);
    xmlHttp.setRequestHeader("content-type","application/x-www-form-urlencoded;charset=utf-8");
    xmlHttp.send("u="+escape(uObj.value)+"&p="+escape(pObj.value)+"&c="+escape(cObj.value));
}