function hasNavigation()
{
    return (typeof navigator.geolocation != "undefined");
}

function load()
{
    // no iPhone
    //if(navigator.appVersion.indexOf('iPhone OS ') < 0)
    //{
    //    window.location.replace('http://www.infobaumuenster.de/');
    //}
    //else 
    if(!window.navigator.standalone && navigator.appVersion.indexOf('iPhone OS ') > 0)
    {
        document.getElementById("notinstalled").style.visibility = "visible";
		drawArrow();
    }
	
    //else
    //{
        // we're on a phone, and installed standalone
        // "real" app init code goes here
    //    window.location.replace('http://www.infobaumuenster.de/');   
    //}
}

function drawArrow()
	{
		var ctx = document.getCSSCanvasContext("2d", "arrow", 30, 30);
		
		ctx.fillStyle = "rgb(231,26,33)";
		ctx.beginPath();
		ctx.moveTo(0, 0);
		ctx.lineTo(30, 0);
		ctx.lineTo(15,23);
		ctx.closePath();
		ctx.fill();
	}