function isAndroid(){
	var ua = navigator.userAgent.toLowerCase();
    return (ua.indexOf("android") != -1);
}

function isInternetExplorer(){
	var ua = navigator.userAgent.toLowerCase();
    return (ua.indexOf("msie") != -1);
}

function isFireFoxAndLowerThen4(){
	var ua = navigator.userAgent.toLowerCase();
    return (ua.indexOf("firefox/3") != -1);
}

function isIPad(){
    return (navigator.platform.indexOf("iPad") != -1);
}

function isIPhone(){
    return (
        //Detect iPhone
        (navigator.platform.indexOf("iPhone") != -1) ||
        //Detect iPod
        (navigator.platform.indexOf("iPod") != -1)
    );
}

function isTouchScreen(){
	if(isIPad())return true;
	if(isIPhone())return true;
	if(isAndroid())return true;

	return false;
}