function $(id)
{
    return document.getElementById(id);
}

//去除空格
function trim(str) {
    return str.replace(/(^\s*)|(\s*$)/g, "");
}

function checkLoginInput() {
    if (trim(document.getElementById('txtUserName').value) == '') {
        alert('请输入用户名！');
        document.getElementById('txtUserName').value = '';
        document.getElementById('txtUserName').focus();
        return false;
    }
    if (document.getElementById('txtUserPwd').value == '') {
        alert('请输入密码！');
        document.getElementById('txtUserPwd').focus();
        return false;
    }
    return true;
}

function CheckBlog() {
    var UserName = document.getElementById('hidfldUserName').value;
    var IsHave = index.CheckBlogHave(UserName).value;
    if (IsHave == "1") {
        document.getElementById('aBlog').target = "_blank";
        document.getElementById('aBlog').href = "http://www.56ok.net/blog/login.aspx";
    }
    else if (IsHave == "0") {
        var show = window.confirm("您还未开通博客，是否点击开通？");
        if (show) {
            document.getElementById('aBlog').target = "_blank";
            document.getElementById('aBlog').href = "http://www.56ok.net/blog/Register.aspx";
        }
        else {
            document.getElementById('aBlog').target = "_self";
            document.getElementById('aBlog').href = "javascript:void(0)";
            return false;
        }
    }
    else {
        document.getElementById('aBlog').target = "_self";
        document.getElementById('aBlog').href = "javascript:void(0)";
    }
}

function CheckTitleNull()
{
    if(trim(document.getElementById("txtTitle").value) != null && trim(document.getElementById("txtTitle").value) != "" && trim(document.getElementById("txtTitle").value) != "请输入关键字：")
    {
        return true;
    }
    else
    {
        alert("请输入您要搜索的关键字！");
        document.getElementById("txtTitle").value = "";
        document.getElementById("txtTitle").focus();
        return false;
    }
}

function WriteKeyWord()
{
    if(trim(document.getElementById("txtTitle").value) == "请输入关键字：")
    {
        document.getElementById("txtTitle").value = "";
    }
}

function WriteAsk()
{
    if(trim(document.getElementById("txtTitle").value) == "")
    {
        document.getElementById("txtTitle").value = "请输入关键字：";
    }
}

bjCss = function(){
    document.getElementById("bodyL").className = "body2";
    document.getElementById("tableL").style.display = "none";
}

function ShowNowNews(tMenuName,tAllTr,tNowMenu,tNowTr,tStyle,tClass)
{
    var tMenu = document.getElementsByName(tMenuName);
    for(var ni = 0; ni < tMenu.length; ni++)
    {
        tMenu[ni].className = tStyle;
    }
    
    document.getElementById(tNowMenu).className = tClass;
    
    var tTable = tAllTr.split(",");
    for(var nj = 0; nj < tTable.length; nj++)
    {
        document.getElementById(tTable[nj]).style.display="none";
    }
    
    document.getElementById(tNowTr).style.display="block";
}

var iobj = new Object();
//鼠标移除的时候 或 页面加载时
iobj.iShowNowNews = function(i)
{
    //选项卡
    var iTable = document.getElementById("itable").getElementsByTagName("a");
    for(var ni = 0; ni < iTable.length; ni++)
    {
        iTable[ni].className = "a12";
    }
    iTable[i].className='a11';
    
    //数据行
    var rTable = document.getElementById("rtable").rows;
    for(var nj = 0; nj < rTable.length; nj++)
    {
        rTable[nj].style.display = "none";
    }
    rTable[i].style.display = "block";

    i++;
    if(i>3)
    {
        i=0;
    }
    iobj.iTime = setTimeout("iobj.iShowNowNews(" + i + ")",4000);
}

//鼠标在上面的时候
iobj.iclearInterval = function(i)
{
    //选项卡
    var iTable = document.getElementById("itable").getElementsByTagName("a");
    for(var ni = 0; ni < iTable.length; ni++)
    {
        iTable[ni].className = "a12";
    }
    iTable[i].className='a11';
    
    //数据行
    var rTable = document.getElementById("rtable").rows;
    for(var nj = 0; nj < rTable.length; nj++)
    {
        rTable[nj].style.display = "none";
    }
    rTable[i].style.display = "block";
    
    window.clearInterval(iobj.iTime);
}