function updateBeeld(sLayername, afb) {
	var o;
	o = getRefById(sLayername);
	if(o) {
		o.innerHTML = "<img src='" + afb + "'>";
	}
}


var getRefById = function() {
	return null;
};

if (document.getElementById) {
	getRefById = function(i) {return document.getElementById(i);};
} else if(document.all) {
	getRefById = function(i) {return document.all[i] || null;};
}

function changeContents(divId, content) {
	var o;
	o = getRefById(divId);
	if(o) {
		o.innerHTML = content;
	}
}