//Original code from
//http://www.hand-interactive.com/resources/detect-mobile-javascript.htm

var deviceIphone = "iphone";
var deviceIpod = "ipod";
var deviceAndroid = "android";
var devicePalm = "palm";

//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 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;
}


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

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

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

function IYSRedirect(site)
{
  if (DetectMobileDevice())
  window.location.href=site;

  /*  
  cookieName = "IYS";
  if (DetectMobileDevice())
  {
	if (getCookie(cookieName)!=site)
	{
    setCookie(cookieName, site, 1);
	}
  }
  */
  
}

function setCookie(c_name,value,expiredays)
{
	var exdate=new Date();
	exdate.setDate(exdate.getDate()+expiredays);
	document.cookie=c_name+ "=" +escape(value)+
	((expiredays==null) ? "" : ";expires="+exdate.toUTCString());
}
function getCookie(c_name)
{
  if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    {
    c_start=c_start + c_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 "";
}