var deviceIphone = "iphone";
var deviceIpod = "ipod";
var deviceIpad = "ipad";
var deviceAndroid = "android";

//Initialize our user agent string to lower case.
var uagent = navigator.userAgent.toLowerCase();
//alert('android: ' + uagent.search(deviceAndroid) + "\nIPhone: " + uagent.search(deviceIphone) + "\nIPod: " + uagent.search(deviceIpod) + "\nIPad: " + uagent.search(deviceIpad) + "\nuserAgent: " + 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 iPad Touch.
function DetectIpad()
{
if (uagent.search(deviceIpad) > -1)
   return true;
else
   return false;
}

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

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

function DetectAll()
{
    if (DetectIphone())
        return true;
     else if (DetectIpod())
        return true;
     else if (DetectIpad())
     	return true;
     else if (DetectAndroid())
    	 return true;
     else 
        return false;
}
/*---------------------------------------------------------------*/