// Apple detection object
function checkForApple(){
	var Apple = {};  
	Apple.UA = navigator.userAgent;  
	Apple.Device = false;  
	Apple.Types = ["iPhone", "iPod", "iPad"];  
	for (var d = 0; d < Apple.Types.length; d++) {  
		var t = Apple.Types[d];  
		Apple[t] = !!Apple.UA.match(new RegExp(t, "i"));  
		Apple.Device = Apple.Device || Apple[t];  
	}  
	// is this an Apple device?  
	alert(  
		"Apple device? " + Apple.Device +  
		"\niPhone? " + Apple.iPhone +  
		"\niPod? " + Apple.iPod +  
		"\niPad? " + Apple.iPad  
	);  
}