var deviceIphone = "iphone";

var deviceIpod = "ipod";

var deviceIpad = "ipad";



//Initialize our user agent string to lower case.


var uagent = navigator.userAgent.toLowerCase();




function DetectIphone()
{
   
return (uagent.search(deviceIphone) > -1);

}





function DetectIpod()
{

return (uagent.search(deviceIpod) > -1);

}




function DetectIpad()
{

return (uagent.search(deviceIpad) > -1);

}





function DetectIdevice()
{
    
return (DetectIphone() || DetectIpod() || DetectIpad())
       
}