function getSeason(){
	var now = new Date();
	var y = now.getFullYear();
	var date0 = new Date(y,'0','1');
	var date1 = new Date(y,'2','21');
	var date2 = new Date(y,'8','23');
	var date3 = new Date(y,'10','30');

	if(now.getTime() >= date3.getTime()){
		return("kerst");
	}else if(now.getTime() >= date2.getTime()){
		return("herfst");
	}else if(now.getTime() >= date1.getTime()){
		return("zomer");
	}else if(now.getTime() >= date0.getTime()){
		return("winter");
	}
}