var deviceIphone = "iphone";
        var deviceIpod = "ipod";

        //Initialize our user agent string to lower case.
        var uagent = navigator.userAgent.toLowerCase();

        //**************************
        // Detects if the current device is an iPhone.
        function DetectIphone() {
            if (uagent.search(deviceIphone) > -1)
                return true;
            else
                return false;
        }

        //**************************
        // Detects if the current device is an iPod Touch.
        function DetectIpod() {
            if (uagent.search(deviceIpod) > -1)
                return true;
            else
                return false;
        }

        //**************************
        // Detects if the current device is an iPhone or iPod Touch.
        function DetectIphoneOrIpod() {
            if (DetectIphone())
                return true;
            else if (DetectIpod())
                return true;
            else
                return false;
        }

        var deviceS60 = "series60";
        var deviceSymbian = "symbian";
        var engineWebKit = "webkit";

        //**************************
        // Detects if the current browser is the S60 Open Source Browser.
        // Screen out older devices and the old WML browser.
        function DetectS60OssBrowser() {
            if (uagent.search(engineWebKit) > -1) {
                if ((uagent.search(deviceS60) > -1 || uagent.search(deviceSymbian) > -1))
                    return true;
                else
                    return false;
            }
            else
                return false;
        }

        var deviceAndroid = "android";

        //**************************
        // Detects if the current device is an Android OS-based device.
        function DetectAndroid() {
            if (uagent.search(deviceAndroid) > -1)
                return true;
            else
                return false;
        }


        //**************************
        // Detects if the current device is an Android OS-based device and
        //   the browser is based on WebKit.
        function DetectAndroidWebKit() {
            if (DetectAndroid()) {
                if (DetectWebkit())
                    return true;
                else
                    return false;
            }
            else
                return false;
        }
        
        var deviceWinMob = "windows ce";

        //**************************
        // Detects if the current browser is a Windows Mobile device.
        function DetectWindowsMobile() {
            if (uagent.search(deviceWinMob) > -1)
                return true;
            else
                return false;
        }

        var deviceBB = "blackberry";

        //**************************
        // Detects if the current browser is a BlackBerry of some sort.
        function DetectBlackBerry() {
            if (uagent.search(deviceBB) > -1)
                return true;
            else
                return false;
        }

        var devicePalm = "palm";

        //**************************
        // Detects if the current browser is on a PalmOS device.
        function DetectPalmOS() {
            if (uagent.search(devicePalm) > -1)
                return true;
            else
                return false;
        }