// 1.cookie
// 2.client
// 3.basic
// 4.FFpatch

// 5. show page info of ok / hint / error

// 6. set SubNav to Current

// 7. table alter color

//8. String.format function

// 0.allow cross - domain
document.domain = "100e.com";
function E(objID)
{
    return document.getElementById(objID);
}


// 1.cookie
function getCookie(name)
{
    var i = 0;
    // 查找的变量开始位置
    var n = 0;
    // 记录name的个数
    var nameIndex;
    // 记录name的位置
    var prefix = name + "=";
    while ((nameIndex = document.cookie.indexOf(prefix, i)) != -1)
    {
        i = nameIndex + 1;
        if ((nameIndex != 0) && (document.cookie.substring(nameIndex - 1, nameIndex) != " "))
        {
            continue;
        }
        else
        {
            var cookieendindex = document.cookie.indexOf(";", nameIndex + prefix.length);
            if (cookieendindex == -1)
                cookieendindex = document.cookie.length;
            return unescape(document.cookie.substring(nameIndex + prefix.length, cookieendindex));
            break;
        }
    }
    return null;
}

// name, value, expire seconds
function setCookie(name, value)
// 设定Cookie值
{
    var expdate = new Date();
    var argv = arguments;
    var argc = arguments.length;
    var expires = (argc > 2) ? argv[2] : null;
    // var path = (argc > 3) ? argv[3] : null;
    var path = "/";
    // var domain = (argc > 4) ? argv[4] : null;
    var domain = ".100e.com";
    var secure = (argc > 5) ? argv[5] : false;
    if (expires != null) expdate.setTime(expdate.getTime() + (expires * 1000));
    document.cookie = name + "=" + escape(value) + ((expires == null) ? "" : ("; expires=" + expdate.toGMTString()))
   + ((path == null) ? "" : ("; path=" + path)) + ((domain == null) ? "" : ("; domain=" + domain))
   + ((secure == true) ? "; secure" : "");
}
function delCookie(name)
// 删除Cookie
{
    // var exp = new Date();
    // exp.setTime (exp.getTime() - 100000);
    // alert(exp);
    // var cval = getCookie (name);
    setCookie(name, "", -1000);
    // document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}


function getUserName()
{

    var UserName = null;
    if (getCookie("UserName") != null)
        UserName = getCookie("UserName");
    else if (getCookie("username") != null)
        UserName = getCookie("username");
    if (UserName != null)
        return UserName;
    else
        return null;
}
function decodeCookie(str)
{
    var strArr;
    var strRtn = '';
    if (str.indexOf('a') == -1)
    {
        return null;
    }
    strArr = str.split('a');
    for (var i = strArr.length - 1; i >= 0; i--)
    {
        strRtn += String.fromCharCode(eval(strArr[i]));
    }
    return strRtn;
}
function getUserNickName()
{
    var UserNickName = null;
    if (getCookie("UserNickName") != null)
        UserNickName = decodeCookie(getCookie("UserNickName"));
    else if (getCookie("usernickname") != null)
        UserNickName = decodeCookie(getCookie("usernickname"));

    if (UserNickName != null)
        return UserNickName;
    else
        return null;
}

// 2. client
// chat to User
function Chat(UserID)
{
    var url = "100e://210.51.18.41/100e_ForIMClient/UserChat.asp?Userid=" + UserID;
    if (!checkClient())
    {
        var cookieName = "100eClient_ListLink";
        var cookieValue = url;
        var expireSecond = "3600";
        setCookie(cookieName, cookieValue, cookieValue);
        return;
    }

    window.location = url;
}

// open book
function OpenBook(bookID, contentID, itemID, isFullScreen)
{
    var url;
    if (parseInt(bookID) == 0)
    {
        url = "100e://";
    }
    else
    {
        var fn = "000" + bookID + ".100e";
        var n = fn.length;
        var xfn = fn.substring(n - 9);
        url = "100e://bookfile.100e.com/100e_ForProduct/100eListFile/List" + xfn;
        if (contentID)
        {
            url += "?ContentID=" + contentID;
            if (itemID)
            {
                url += "&itemID=" + itemID;
                if (isFullScreen)
                {
                    url += "&OpenFullScreen=1";
                }
            }


        }


    }

    if (!checkClient())
    {
        var cookieName = "100eClient_ListLink";
        var cookieValue = url;
        var expireSecond = "3600";
        setCookie(cookieName, cookieValue, cookieValue);
        return;
    }

    window.location = url;
}


// enter room
// use dynamic script.src instead of ajax, so can cross domain
function EnterRoom(RoomID)
{
    // ensure client ready
    if (!checkClient())
    {
        return;
    }

    var oScriptID = "enterRoomScript";
    var oScript = document.getElementById(oScriptID);
    if (oScript == null)
    {
        // create element
        oScript = document.createElement("script");
        oScript.setAttribute("type", "text/javascript");

        document.appendChild(oScript);

    }
    var queryString = "?RoomID=" + RoomID + "&date=" + (new Date()).toString();
    // alert(queryString);

    oScript.src = "http://client.100e.com/tool/EnterRoom/" + queryString;

}

function PlayVideo(VideoID)
{
    // ensure client ready
    if (!checkClient())
    {
        return;
    }
    var Url = "100e://chat1.100e.com/100e_ForIMClient/Record_GroupInfo.asp?RecordID=" + VideoID;
    window.location = Url;
}



// true : 7.0
// false : < 7.0
function checkClient()
{
    var nameClient = "100eClient";
    var curClient = getCookie(nameClient);

    if (curClient != null && curClient.substr(0, 3) == "7.0")
    {
        return true;
    }
    else
    {
        if (confirm("您需要安装最新的 一百易7.0 。现在就下载并安装吗？"))
        {
            // check system version windows or vista
            var url = check_sys();
            var oIFrame = document.createElement("IFRAME");
            oIFrame.src = url;
            oIFrame.style.display = "none";
            document.body.appendChild(oIFrame);

            CountDownload();
        }
        return false;
    }

}

function CountDownload()
{
    var FN = "100els_7_0.exe";
    var oIFrame = document.createElement("IFRAME");
    oIFrame.style.display = "none";
    document.body.appendChild(oIFrame);
    oIFrame.src = "http://sta.100e.com/page/download_sub_www.asp?FN=" + FN;
}



function check_sys()
{
    var browser = navigator.userAgent.toLowerCase();
    if (browser.indexOf('windows nt 6.0') != -1)
        url = "http://download.100e.com/download/client/100els_7_0_Vista.exe";
    else
        url = "http://download.100e.com/download/client/100els_7_0.exe";
    return url;
}

// 3.basic
// use for iframe form submit.

// default formID is 'formID'
var iFrameFormID;
// = "iFrameFormID";

function iFrameSubmit_Error(info)
{
    alert(info);
    enableForm(iFrameFormID);

}

// for submit done , hide button and set submit button vale
function iFrameSubmit_Ok(info)
{
    if (info != "undefined")
    {
        alert(info);
    }
    var e;
    for (i = 0; i < document.forms[iFrameFormID].elements.length; i++)
    {
        e = document.forms[iFrameFormID].elements[i];
        if (e.type == "submit")
        {
            e.value = e.value + "  已完成！";
        }
        if (e.type == "button")
        {
            e.style.display = "none";
        }
    }

}


function IFrameSubmit(formID)
{
    var oForm = document.getElementById(formID);
    iFrameFormID = formID;
    var iFrameName = "iFrameSubmitName";


    // create new iframe if not exist
    var htmlStr = '<iframe name="' + iFrameName + '" style="display:none;"></iframe>';
    insertHtml('afterbegin', document.body, htmlStr);

    // set form attribute
    oForm.target = iFrameName;
    // oForm.id = iFrameFormID;


    if (oForm.attachEvent)// ie
    {
        oForm.attachEvent("onsubmit", disableForm);

    }
    else// ff
    {
        oForm.addEventListener("submit", disableForm, false);

    }


}



function enableForm()
{
    // check every submit and button
    setFormDisabled(iFrameFormID, false);

}

function disableForm()
{

    setFormDisabled(iFrameFormID, true);

}



function setFormDisabled(formID, trueOrFalse)
{

    var oForm = document.getElementById(formID);

    var e;
    for (i = 0; i < oForm.elements.length; i++)
    {
        e = oForm.elements[i];
        if (e.type == "submit" || e.type == "button")
        {
            e.disabled = trueOrFalse;
        }
    }
}


// select and radio auto. useful for edit mode.
function AutoSelect(SelectID, OptionValue)
{
    var obj = document.getElementById(SelectID);
    if (obj)
    {
        for (i = 0; i < obj.options.length;
      i++)
        {
            if (obj.options[i].value == OptionValue)
            {
                obj.options[i].selected = true;

                return;
            }
        }
    }

}

function AutoCheck(RadioOrCheckBoxName, CheckValue)
{
    var obj = document.getElementsByName(RadioOrCheckBoxName);
    if (obj)
    {
        for (i = 0; i < obj.length; i++)
        {
            if (obj[i].value == CheckValue)
            {
                obj[i].checked = true;

                return;
            }
        }
    }

}



// visibility functions


function HideAndShow()
// hide html elements id1, id2..., and show last IDN
{
    for (var i = 0; i < arguments.length - 1; i++)
    {
        var obj = document.getElementById(arguments[i]);
        if (obj != null)
        {
            obj.style.display = "none";
        }
    }


    var objLast = document.getElementById(arguments[arguments.length - 1]);
    if (objLast != null)
    {
        objLast.style.display = "";
    }


}

function Display(objID)
// toggle objID 's display
{
    var obj = document.getElementById(objID);
    if (obj != null)
    {
        if (obj.style.display == "none")
        {
            obj.style.display = "";
        }
        else
        {
            obj.style.display = "none";
        }


    }


}

function HideAndShow_bak(ID1, ID2)
// hide html elements id1, id2, and show id2
{
    var obj1 = document.getElementById(ID1);
    if (obj1 != null)
    {
        obj1.style.display = "none";
    }

    var obj2 = document.getElementById(ID2);
    if (obj2 != null)
    {
        obj2.style.display = "";
    }


}


function tog()
{
    // tog : toggle the visibility of html elements (arguments[1..]) from none to
    // arguments[0].  Return what should be returned in a javascript onevent().
    display = arguments[0];
    for (var i = 1; i < arguments.length; i++)
    {
        var x = document.getElementById(arguments[i]);
        if (!x) continue;
        if (x.style.display == "none" || x.style.display == "")
        {
            x.style.display = display;
        }
        else
        {
            x.style.display = "none";
        }
    }

    var e = is_ie ? window.event : this;
    if (e)
    {
        if (is_ie)
        {
            e.cancelBubble = true;
            e.returnValue = false;
            return false;
        }
        else
        {
            return false;
        }
    }
}

function Go(url, confirmMsg)
{
    if (confirmMsg)
    {
        if (confirm(confirmMsg))
        {
            GoByForm(url);
        }

    }
    else
    {
        GoByForm(url);
    }


}

function GoByForm(url)
{
    var oForm = document.createElement("form");
    oForm.method = "post";
    oForm.action = url;
    document.body.appendChild(oForm);
    oForm.submit();
}



function Back()
{
    window.history.back(-1);
}

function Reload()
{
    window.location.reload();

}




// 4.ffPatch
// where：插入位置。包括beforeBegin, beforeEnd, afterBegin, afterEnd。
// el：用于参照插入位置的html元素对象
// html：要插入的html代码
function insertHtml(where, el, html)
{
    where = where.toLowerCase();
    if (el.insertAdjacentHTML)
    {
        switch (where)
        {
            case "beforebegin":
                el.insertAdjacentHTML('BeforeBegin', html);
                return el.previousSibling;
            case "afterbegin":
                el.insertAdjacentHTML('AfterBegin', html);
                return el.firstChild;
            case "beforeend":
                el.insertAdjacentHTML('BeforeEnd', html);
                return el.lastChild;
            case "afterend":
                el.insertAdjacentHTML('AfterEnd', html);
                return el.nextSibling;
        }
        throw 'Illegal insertion point -> "' + where + '"';
    }
    var range = el.ownerDocument.createRange();
    var frag;
    switch (where)
    {
        case "beforebegin":
            range.setStartBefore(el);
            frag = range.createContextualFragment(html);
            el.parentNode.insertBefore(frag, el);
            return el.previousSibling;
        case "afterbegin":
            if (el.firstChild)
            {
                range.setStartBefore(el.firstChild);
                frag = range.createContextualFragment(html);
                el.insertBefore(frag, el.firstChild);
                return el.firstChild;
            }
            else
            {
                el.innerHTML = html;
                return el.firstChild;
            }
        case "beforeend":
            if (el.lastChild)
            {
                range.setStartAfter(el.lastChild);
                frag = range.createContextualFragment(html);
                el.appendChild(frag);
                return el.lastChild;
            }
            else
            {
                el.innerHTML = html;
                return el.lastChild;
            }
        case "afterend":
            range.setStartAfter(el);
            frag = range.createContextualFragment(html);
            el.parentNode.insertBefore(frag, el.nextSibling);
            return el.nextSibling;
    }
    throw 'Illegal insertion point -> "' + where + '"';
}

// 5. show page info of ok / hint / error
function showPageInfo()
{

    var eName = "layout_info";
    var divInfo = document.getElementById(eName);
    if (divInfo != null)
    {
        var cookieName_InfoType = "InfoType";
        var cookieValue_InfoType = getCookie(cookieName_InfoType);

        var cookieName_InfoText = "InfoText";
        var cookieValue_InfoText = getCookie(cookieName_InfoText);

        // alert(cookieValue_InfoText);
        var newDiv = document.createElement("div");
        if (cookieValue_InfoText != null && cookieValue_InfoText != "")
        {
            switch (cookieValue_InfoType)
            {
                case "0":
                    newDiv.className = "info_error";
                    break;
                case "1":
                    newDiv.className = "info_ok";
                    break;
                case "2":
                    newDiv.className = "info_hint";
                    break;
                default:
                    return;

            }

            newDiv.innerHTML = cookieValue_InfoText.replace(/\+/g, " ");
            divInfo.appendChild(newDiv);
            delCookie(cookieName_InfoType);
            delCookie(cookieName_InfoText);

        }

    }
}

function InfoHere()
{
    var infoID = "layout_info";
    var divInfo = document.getElementById(infoID);
    if (divInfo != null)
    {
        divInfo.style.display = "none";
        divInfo.id = "";
        document.write('<div id="layout_info">' + divInfo.innerHTML + '</div>');

    }
}


// 6. set Nav to Current
function SetCurrent(objID)
{
    var e = E(objID);
    e.className = e.className + " current";

}

// 7. table alter color
function AlterRow(objID)
{

    var el = E(objID).getElementsByTagName('tr');

    var length = el.length;

    for (var i = 0, l = el.length; i < l; i++)
    {

        el[i].className = ((i + 1) % 2) ? "odd" : "even";

    }

}

//8. String function
String.format = function()
{
    if (arguments.length == 0)
        return null;

    var str = arguments[0];
    for (var i = 1; i < arguments.length; i++)
    {
        var re = new RegExp('\\{' + (i - 1) + '\\}', 'gm');
        str = str.replace(re, arguments[i]);
    }
    return str;
}