/*function popup(data) {
    document.getElementById('popup').style.display = 'block';
    document.getElementById('popup_background').style.display = 'block';
    document.getElementById('popup_titel').innerHTML = data[0];
	document.getElementById('popup_inhalt').innerHTML = data[1]+"<div><input class='submit' type='submit' value='OK' onclick='popup(false); return false;' /></div><br/>";
    document.getElementById('popup_inhalt').innerHTML = data[1];
    document.getElementById('popup').style.display = 'none';
    document.getElementById('popup_background').style.display = 'none';
}*/

var birdpositiontop = 390;
var birdpositionleft = 0;
var birdpositionup = "true";
var birdup = 0;
var lastdown = 0;
var repeat = "true";

var widthanimationroom = document.documentElement.clientWidth;
widthanimationroom = widthanimationroom - 970;
widthleftanimationroom = widthanimationroom / 2;
/*
document.write("<style type='text/css'>div#content{ min-height: " + y + "px; height: auto !important; height: " + y + "px;}</style>");
*/

function animationbird(){
	document.getElementById('xtra_animation_bird').style.display = 'block';
	document.getElementById('xtra_animation_bird').style.top = birdpositiontop+'px';
	document.getElementById('xtra_animation_bird').style.left = birdpositionleft+'px';
	if(birdpositionleft < widthleftanimationroom+100){
		//FLIEGEN WIE ER WILL
		if(birdup < 24){
			birdpositiontop = birdpositiontop + 4;
		}
		else if(birdup < 39){
			birdpositiontop = birdpositiontop - 2;
		}
		else if(birdup < 80){
			birdpositiontop = birdpositiontop + 3;
		}
		else if(birdup < 130){
			birdpositiontop = birdpositiontop - 3;
		}
		else if(birdup < 190){
			birdpositiontop = birdpositiontop + 3;
		}
		else if(birdup < 200){
			birdpositiontop = birdpositiontop + 2;
		}
		else if(birdup < 380){
			birdpositiontop = birdpositiontop - 2;
		}
		else{
			document.getElementById('xtra_animation_bird').style.display = 'none';
			birdpositiontop = birdpositiontop - 5;
			//birdpositionup = "true";
		}
		birdup = birdup + 1;
	}
	else if(birdpositionleft - widthleftanimationroom < 670 && birdpositionleft - widthleftanimationroom > 660){
		repeat = "false";
		document.getElementById('xtra_animation_bird').style.top = '543px';
		document.getElementById('xtra_animation_bird').innerHTML = '<a href="index.php"><img src="img/animation/bird_arrived.png" width="80px" alt="kantipark.ch spürt den Frühling!"/></a>';
	}
	else{
		if(lastdown > 0){
			//foo
		}
		else{
			var lastheight =  503 - birdpositiontop;
			lastdown = lastheight / 50;
		}
		
		birdpositiontop = birdpositiontop + lastdown;
	}
	birdpositionleft = birdpositionleft+5;
	if(repeat == "true"){
		setTimeout('animationbird()', 40);
	}
	else{
		//foo
	}
}