function SetImage(oldIm, newIm){
	document.images[oldIm].src = newIm;
}

function AlignBanner() {
	var newoffset; 
	
	if (self.pageYOffset) { // all except Explorer 
		newoffset = self.pageYOffset; 
	} else if (document.documentElement && document.documentElement.scrollTop) { // Explorer 6 Strict 
		newoffset = document.documentElement.scrollTop; 
	} else if (document.body) { // all other Explorers 
		newoffset = document.body.scrollTop; 
	}

	if (newoffset >= 200) {  
		document.getElementById('afstand').height = newoffset - 100;
	} 
}

function setAlignBannerDelay()
{
	var t=setTimeout("AlignBanner();",250);
}

function ResetBanner() {
	document.getElementById('afstand').height = 1;
}