is_mobile

gistfile1.js

function isMobileDevice()
{
	var agent = navigator.userAgent.toLowerCase();
	
	var otherBrowser = (agent.indexOf("series60") != -1) || (agent.indexOf("symbian") != -1) || (agent.indexOf("windows ce") != -1) || (agent.indexOf("blackberry") != -1);
	var mobileOS = typeof orientation != 'undefined' ? true : false;
	var touchOS = ('ontouchstart' in document.documentElement) ? true : false;
	var iOS = (navigator.platform.indexOf("iPhone") != -1) ||
		(navigator.platform.indexOf("iPad") != -1) ? true : false;
	var android = (agent.indexOf("android") != -1) || (!iOS && !otherBrowser && touchOS && mobileOS) ? true : false;
	if ( otherBrowser || mobileOS || touchOS || iOS || android ) return true;
	return false;
}