function boeken(id){
	var popup = window.open(id,"Popup",'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width=800,height=700');
}

function meerinfo(id){
	var popup = window.open(id,"Popup",'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width=700,height=700');
}