function zwinkern() {
	$('eulenlogo').src="bilder/logo/logo_blink.png";
	window.setTimeout("$('eulenlogo').src='bilder/logo/logo_norm.png'", 100);
	window.setTimeout("logoanimation()", Math.round(Math.random()*6000)+1000);
}	


function augen() {
	$('eulenlogo').src="bilder/logo/logo_xtc.png";
	window.setTimeout("$('eulenlogo').src='bilder/logo/logo_norm.png'", 1000);
	window.setTimeout("logoanimation()", Math.round(Math.random()*6000)+1000);
}	


function logoanimation() {
	if (Math.random()<0.1) {
		augen();
	}else {
		zwinkern();
	}

}