var isIE = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;

// Get the correct browser checks page name for the brand
var strFileName = (document.URL.indexOf("LFS") != -1) ? "LFS_BrowserValidation" : "BrowserValidation";

// Number of days after showing IE6 message that we want it to appear again. Initially set to 7.
var ie6messageRepeat = 1000;

// Set to 1 for debugging
var debugMode = 0; 

var ToyotaIeCheckCookie = 0;

// Create an object to hold the browser version.
var Browser = {
    Version: function() {
    var version = 999; // we assume a sane browser
    if (navigator.appVersion.indexOf("MSIE") != -1)
        // bah, IE again, lets downgrade version number
        version = parseFloat(navigator.appVersion.split("MSIE")[1]);
        return version;
    }
}  

function trace(strHTML)
{
    if(debugMode == 1)
        document.write('<div style="background-color:#ccc;border-bottom:solid 1px #333;">' + strHTML + '</div>');
}

function DoBrowserChecks(PageFrom) {  
    // Cookies are enabled, so check for IE6 or lower
    try 
    {
        var cookieVal = getCookie("ToyotaIeCheck");
        if (cookieVal.length > 0)
            ToyotaIeCheckCookie = 1;
    }
    catch(e) { }

    if (ToyotaIeCheckCookie != 1) {        
        // User has already seen IE warning and the message repeat period has not expired.
    }
    else 
    {
        try {        
            if (Browser.Version() < 7) {
                // IE is not ok so display warning screen and set cookie
                setCookie("ToyotaIeCheck", "IE6", ie6messageRepeat);
                window.location = strFileName + ".aspx?check=10";
            }
        }
        catch (e) { }
    }

    if (DetectFlashVer(8, 0, 0)) {
        // Flash is ok so allow user to continue
    }
    else {            
        // Show the flash warning page
        window.location = strFileName + ".aspx?check=01"; 
    }  
}

function cookiesEnabled() {
    trace("Testing for cookies");
    document.cookie = "test=cookiesEnabled";
    var pos = document.cookie.indexOf( "test=" );
    trace("pos: " + pos);
    
    if( pos == -1 )
        return false;
    
    return true;
}

function setCookie(cookie_name, value, expiredays) {
    var exdate=new Date();
    exdate.setDate(exdate.getDate()+expiredays);
    document.cookie=cookie_name+ "=" +escape(value)+
    ((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

function getCookie(cookie_name)
{
    if (document.cookie.length>0)
    {
        c_start=document.cookie.indexOf(cookie_name + "=");
        if (c_start!=-1)
        {
            c_start=c_start + cookie_name.length+1;
            c_end=document.cookie.indexOf(";",c_start);
            if (c_end==-1) c_end=document.cookie.length;
            return unescape(document.cookie.substring(c_start,c_end));
        }
    }
    return "";
}

// v1.7
// Flash Player Version Detection
// Detect Client Browser type
// Copyright 2005-2007 Adobe Systems Incorporated.  All rights reserved.

function ControlVersion() {
    var version;
    var axo;
    var e;

    // NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry

    try {
        // version will be set for 7.X or greater players
        axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
        version = axo.GetVariable("$version");
    } catch (e) {
    }

    if (!version) {
        try {
            // version will be set for 6.X players only
            axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");

            // installed player is some revision of 6.0
            // GetVariable("$version") crashes for versions 6.0.22 through 6.0.29,
            // so we have to be careful. 

            // default to the first public version
            version = "WIN 6,0,21,0";

            // throws if AllowScripAccess does not exist (introduced in 6.0r47)		
            axo.AllowScriptAccess = "always";

            // safe to call for 6.0r47 or greater
            version = axo.GetVariable("$version");

        } catch (e) {
        }
    }

    if (!version) {
        try {
            // version will be set for 4.X or 5.X player
            axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
            version = axo.GetVariable("$version");
        } catch (e) { }
    }

    if (!version) {
        try {
            // version will be set for 3.X player
            axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
            version = "WIN 3,0,18,0";
        } catch (e) { }
    }

    if (!version) {
        try {
            // version will be set for 2.X player
            axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
            version = "WIN 2,0,0,11";
        } catch (e) {
            version = -1;
        }
    }

    return version;
}

// JavaScript helper required to detect Flash Player PlugIn version information
function GetSwfVer() {
    // NS/Opera version >= 3 check for Flash plugin in plugin array
    var flashVer = -1;

    if (navigator.plugins != null && navigator.plugins.length > 0) {
        if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
            var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
            var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
            var descArray = flashDescription.split(" ");
            var tempArrayMajor = descArray[2].split(".");
            var versionMajor = tempArrayMajor[0];
            var versionMinor = tempArrayMajor[1];
            var versionRevision = descArray[3];
            if (versionRevision == "") {
                versionRevision = descArray[4];
            }
            if (versionRevision[0] == "d") {
                versionRevision = versionRevision.substring(1);
            } else if (versionRevision[0] == "r") {
                versionRevision = versionRevision.substring(1);
                if (versionRevision.indexOf("d") > 0) {
                    versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
                }
            }
            var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
        }
    }
    // MSN/WebTV 2.6 supports Flash 4
    else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
    // WebTV 2.5 supports Flash 3
    else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
    // older WebTV supports Flash 2
    else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
    else if (isIE && isWin && !isOpera) {
        flashVer = ControlVersion();
    }
    return flashVer;
}

// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision) {
    versionStr = GetSwfVer();
    if (versionStr == -1) {
        return false;
    } else if (versionStr != 0) {
        if (isIE && isWin && !isOpera) {
            // Given "WIN 2,0,0,11"
            tempArray = versionStr.split(" "); 	// ["WIN", "2,0,0,11"]
            tempString = tempArray[1]; 		// "2,0,0,11"
            versionArray = tempString.split(","); // ['2', '0', '0', '11']
        } else {
            versionArray = versionStr.split(".");
        }
        var versionMajor = versionArray[0];
        var versionMinor = versionArray[1];
        var versionRevision = versionArray[2];

        // is the major.revision >= requested major.revision AND the minor version >= requested minor
        if (versionMajor > parseFloat(reqMajorVer)) {
            return true;
        } else if (versionMajor == parseFloat(reqMajorVer)) {
            if (versionMinor > parseFloat(reqMinorVer))
                return true;
            else if (versionMinor == parseFloat(reqMinorVer)) {
                if (versionRevision >= parseFloat(reqRevision))
                    return true;
            }
        }
        return false;
    }
}