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";

//Initialize our user agent string to lower case.


//**************************
// 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;
}




var deviceWinMob = "windows ce";

//Initialize our user agent string to lower case.


//**************************
// 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;
}


function confirmMobile(){
    if(confirm("Are you using a mobile device? Click 'confirm to proceed to our mobile optimised site, or 'cancel' to continue using our standard desktop service."))
        location.href='index.php?mobile=yes&mobChecked=yes';
        return;
}


if(DetectWindowsMobile()||DetectAndroid()||DetectS60OssBrowser()||DetectIphoneOrIpod()||DetectBlackBerry())
    confirmMobile();