var pastdate
var pastyear=2009
var pastmonth=3
var pastday=26
var nowdate
var pausenormal=50
var pausenowmoon=3000
var moonday
var i_mooncycle=1
var mooncycle=29.530589

pastdate=new Date(pastyear,pastmonth,pastday,0,0,0)
nowdate=new Date()
resultdays=(Date.parse(nowdate)-Date.parse(pastdate))/1000/60/60/24
moonday=resultdays/mooncycle
moonday=(resultdays/mooncycle)-(Math.floor(resultdays/mooncycle))
moonday=Math.round(mooncycle*moonday)

window.onload=setmoon

function setmoon() {
	var mimg="maan"+moonday+".gif"
	document.getElementById('banner').style.background = 'url(http://redactie.dolfjeweerwolfje.nl/static/project/dolfje/img/maanstand/' + mimg + ')'
}