/* INISAFE Web V6 - install.js */
/* ???????? ?????? InitechGroupID?? ?????? ?????? ?????? ?????????? */

/********************************************************************
1. update 2004/09/01 wakano@initech.com
 - INISAFEWeb.html???? ?????????? ???????? ????
    : function CheckPlugin() ?? var InstallPluginURL, CheckVersion ????

2. update 2005/11/01 wakano@initech.com
 - IDC?? ???????? ???????? ???? ?????? ????
    : var InitechGroupID ????(???????? ????????)

3. update 2005/11/01 young@initech.com
 - componentName, mimeType ???? ???? (Netscape ?? ??????????)
********************************************************************/

var baseURL             = "http://" + window.location.host + "/initech/plugin/";

var InstallModuleURL    = baseURL + "dll/INIS60.vcs";
var iePackageURL        = baseURL + "down/INIS60.cab";
var nsPackageURL        = baseURL + "down/INIS60.jar";
var ieManualPackageURL  = baseURL + "down/INIS60.exe";
var nsManualPackageURL  = ieManualPackageURL;
var manualInstallURL    = baseURL + "down/download.html";

var ieVersion           = "6,0,0,12";
var nsVersion           = ieVersion;

// add 2004/09/01 wakano@initech.com INISAFEWeb.html ?????? ????)
var InstallPluginURL    = "http://" + window.location.host + "/initech/plugin/site/install.html";
var CheckVersion        = ieVersion;  // ?????????? ???????? ieVersion?? ???????? ?????? ????

var componentName       = "plugins/initech/INISAFE60/npINISAFEWeb60.dll";
var mimeType            = "application/x-INISAFEWebv60";
var CLSID               = "286A75C3-11FB-4FB4-AC4A-4DD1B0750050";

/****************************************************/
/*********** ?????? ?????? ???????? ?????? **********/
/****************************************************/

function getIntVersion(versionStr)
{
    var version = new Array(4);
    versionArray = versionStr.split(",");
    for(i=0;i<4;i++)
        version[i] = parseInt(versionArray[i], 10);

    return version;
}

function myVersionCompare()
{
    var myMimetype = navigator.mimeTypes[mimeType];
    var desc = myMimetype.enabledPlugin.description;
    var index = desc.indexOf('v.', 0);
    if (index < 0)
        return -5;
    desc += ' ';

    versionString = desc.substring(index+2, desc.length);
    arrayOfStrings = versionString.split('.');

    var existing = new Array(4);
    for(i=0; i<4; i++)
        existing[i] = parseInt(arrayOfStrings[i], 10);

    var version = getIntVersion(nsVersion);

    for(i=0; i<4; i++)
    {
        if(existing[i]>version[i])
            return (4-i);
        else if(existing[i]<version[i])
            return -(4-i);
    }

    return 0;
}

//add  brson 2002/4/16
function getUserAgentVersion()
{
    var s = navigator.userAgent.indexOf("/");
    var e = navigator.userAgent.indexOf(" ");
    var ver = navigator.userAgent.substring(s+1, s+4);
    return ver;
}

//change brson 2002/4/16
function startDownload()
{
    var trigger;
    var version;
    var newVI;
    var existingVI;
    var myMimetype = navigator.mimeTypes[mimeType];
    // If some version is already installed on this machine...
    if ( myMimetype ) {
        if(getUserAgentVersion()>=5.0){
            if(myVersionCompare()<0){
                top.location = manualInstallURL;
                return true;
            } else{
                return true;
            }
        }
        trigger = netscape.softupdate.Trigger;
        version = getIntVersion(nsVersion);
        newVI = new netscape.softupdate.VersionInfo(version[0], version[1], version[2], version[3]);
        existingVI = netscape.softupdate.Trigger.GetVersionInfo(componentName);
        if ( existingVI==null)
        {
            if(myVersionCompare()<0)
            {
                alert("INIplugin?? ??????????.");
                //return trigger.StartSoftwareUpdate(nsPackageURL, trigger.DEFAULT_MODE|trigger.SILENT_MODE);
                return trigger.StartSoftwareUpdate(nsPackageURL, trigger.DEFAULT_MODE);
            }
            else
            {
                return true;
            }
        }
        else if ( existingVI.compareTo(newVI)<0)
        {
            alert("INIplugin?? ??????????.");
            //return trigger.ConditionalSoftwareUpdate(nsPackageURL, componentName, newVI, trigger.DEFAULT_MODE|trigger.SILENT_MODE);
            return trigger.ConditionalSoftwareUpdate(nsPackageURL, componentName, newVI, trigger.DEFAULT_MODE);
        }
        else
        {
            return true;
        }
    }
    else
    {
        if(getUserAgentVersion()>=5.0){
            top.location = manualInstallURL;
            return true;
        }
        else{
            trigger = netscape.softupdate.Trigger;
            alert("INIplugin?? ??????????.");
            //return trigger.StartSoftwareUpdate(nsPackageURL, trigger.DEFAULT_MODE|trigger.SILENT_MODE);
            return trigger.StartSoftwareUpdate(nsPackageURL, trigger.DEFAULT_MODE);
        }
    }

    return false;
}

//change brson 2002/4/16
function isInstalled()
{
    var myMimetype = navigator.mimeTypes[mimeType];
    if ( myMimetype ){
        if(getUserAgentVersion()>=5.0){
            if(myVersionCompare()>=0){
                return true;
            }else{
                return false;
            }
        } else{
            var version = getIntVersion(nsVersion);
            var newVI = new netscape.softupdate.VersionInfo(version[0], version[1], version[2], version[3]);
            var existingVI = netscape.softupdate.Trigger.GetVersionInfo(componentName);
            if(existingVI==null) {
                if(myVersionCompare()>=0){
                    return true;
                }else{
                    return false;
                }
            }
            else if ( existingVI.compareTo(newVI)>=0){
                return true;
            }
        }
    }
    return false;
}

var loadOK;
function LoadPlugin()
{
    loadOK=true;
    if (navigator.appName == 'Netscape')
    {
        if(isInstalled())
        {
            document.writeln('<EMBED type=' + mimeType + ' name="INIplugin" width=2 height=2>INIplugin Load OK</EMBED>');
        }
        else
        {
            loadOK = startDownload();
            NS_Init();
        }
    }
    else
    {
        document.writeln('<OBJECT ID="INIplugin" CLASSID="CLSID:' + CLSID + '" width=1 height=1 ');
        document.writeln('CODEBASE='+ iePackageURL + '#Version=' + ieVersion +'>');
        document.writeln('</OBJECT>');
    }
}

var loopCount=0;
function NS_Init()
{

    if(!loadOK)
    {
        alert("???? ????");
    }
    else if(isLoaded())
    {
        return;
    }
    else if(isInstalled())
    {
        location.reload();
        //location.replace("./INIplugin.html");
    }
    else
    {
        loopCount++;
        if(loopCount>60*10)
        {
            alert("???? ????");
        }
        else
        {
            setTimeout("NS_Init()", 1000);
        }
    }
}

function isLoaded()
{
    if(navigator.appName == "Netscape")
    {
        if(document.INIplugin==null)
            return false;
        else
            return true;
    }
    else
    {
        if(frame.INIplugin==null || typeof(frame.INIplugin) == "undefined" || frame.INIplugin.object==null) return false;
        else
            return true;
    }
}

// add 2004/09/01 wakano@initech.com
function CheckPlugin()
{
    var installOK = false;
    loadOK=true;

//alert(installOK + "=[start]");

    if (navigator.appName == 'Netscape')
    {
        if(isInstalled()) {
            document.writeln('<EMBED type=' + mimeType + ' name="INIplugin" width=2 height=2>INIplugin Load OK</EMBED>');
            installOK = true;
        }
    }
    else
    {
        //document.writeln('<OBJECT ID="INIplugin" CLASSID="CLSID:' + CLSID + '" width=1 height=1 ');
        //document.writeln('CODEBASE='+ iePackageURL + '#Version=' + ieVersion +'>');
        //document.writeln('</OBJECT>');
        document.writeln('<OBJECT ID="INIplugin" CLASSID="CLSID:' + CLSID + '" width=1 height=1 ></OBJECT>');

        //alert("check 1 = " + typeof(this.document.INIplugin));
        //alert("check 2 = " + this.document.INIplugin);
        //alert("check 3 = " + this.document.INIplugin);
        //alert("check 4 = " + this.document.INIplugin.object);

        if( !((typeof(this.document.INIplugin) == "undefined") || (this.document.INIplugin == "undefined") ||
                (this.document.INIplugin == null) || (this.document.INIplugin.object == null) ))
        {
            var thisArray = String(this.document.INIplugin.GetVersion()).split(',');
            var inputArray = CheckVersion.split(',');
            for (i=0; i<4; i++)
            {
//alert(thisArray[i] + "|" + inputArray[i]);
                if (parseInt(thisArray[i], 10) > parseInt(inputArray[i], 10)) {
                    installOK = true;
                    break;
                } else if (parseInt(thisArray[i], 10) < parseInt(inputArray[i], 10)) {
                    break;
                } else {
                    if (i==3) installOK = true;
                }
            }
//alert(installOK + "=[version check end]");

            if (installOK == true)
            {
                var inputArray2 = ieVersion.split(',');
                for (i=0; i<4; i++)
                {
//alert(thisArray[i] + "|" + inputArray2[i]);
                    if (parseInt(thisArray[i], 10) > parseInt(inputArray2[i], 10)) {
                        break;
                    } else if (parseInt(thisArray[i], 10) < parseInt(inputArray2[i], 10)) {
                        if (confirm("??????????(INISAFE Web)?? ?????????? ??????????. ?????????? ????????????")) {
                            installOK = false;
                            break;
                        }
                        break;
                    }
                }
//alert(installOK + "=[upgrade check end]");
            }
        }
    }
//alert(installOK + "=[end]");
    if (installOK == false) top.location = InstallPluginURL;
}