window.onload = function() {
		document.getElementById("content").style.display = "block"; // toon eerste beeld
}

function thumbss(id){
	var iLength = document.getElementById("thumbnails").getElementsByTagName("div").length;
	for (var i=1; i<=iLength; i++) {
		document.getElementById("beeld_"+i).style.display = "none";
		// document.getElementById(content[i]).style.textAlign = "center";
	}
	document.getElementById("beeld_"+id).style.display = "inline";
}

function setBG(id){
	document.getElementById("thumb_" + id).style.background="#ffd8cd";	
	thumbss(id);
}
function clearBG(id){
	document.getElementById("thumb_" + id).style.background="#ffd8cd";	
}

window.onload = function() {
	var iLength= document.getElementById("thumbnails").getElementsByTagName("div").length;
	for (var i=2; i<=iLength; i++) {
		document.getElementById("beeld_"+i).style.display = "none";
	}
}

/*

// jQuery
$(document).ready(function() {
	$(".centreer").addClass("centreer-js");
});

*/