var deviceIphone = "iphone";
var deviceIpod = "ipod";
var deviceBB = "blackberry83";
var allBlackberry="blackberry";


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


//**************************
// Detects if the current device is an iPhone or iPod Touch.
function DetectIphoneOrIpod()
{
   //We repeat the searches here because some iPods 
   //  may report themselves as an iPhone, which is ok.
   if (uagent.search(deviceIphone) > -1 ||
       uagent.search(deviceIpod) > -1) 
		   return true;
    else
       return false;
}


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


function DetectBlackBerryAll()
{
   if (uagent.search(allBlackberry) > -1 ) 
	  return true;
   else
      return false;
}