function isMobile()
{
	return (getUserAgent().toLowerCase().indexOf("iphone") != -1);
}

function getUserAgent()
{
	return navigator.userAgent.toLowerCase();
}

function getHead()
{
	return document.getElementsByTagName('head')[0];
}

function addMeta(name, content)
{
	var meta = document.createElement('meta');
	meta.setAttribute('name', name);
	meta.setAttribute('content', content);
	getHead().appendChild(meta);
}

if(isMobile())
{
	addMeta('viewport', 'width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no');
	addMeta('apple-mobile-web-app-capable', 'yes');
	
	var style = document.createElement('style');
	style.setAttribute('type', 'text/css');
	style.setAttribute('media', 'screen');
	style.innerText = '@import "css/iphonenav.css";';
	getHead().insertBefore(style, document.getElementById('js_header'));
	
	var script = document.createElement('script');
	script.setAttribute('type', 'text/javascript');
	script.setAttribute('language', 'javascript');
	script.setAttribute('src', 'js/iphonenav.js');
	getHead().insertBefore(script, document.getElementById('js_header'));
}