var stack = new Array ();
	var nijhuis = function  (id) {
		// de tijd waarin de plaatjes wisselen
		this.changeTime = 2000;
		this.parameters = new Array();
		this.id = id;
	}

	nijhuis.prototype.add = function (src, href) {
		var l = this.parameters.length
		this.parameters[l] = new Object();
		this.parameters[l].src = src;
		this.parameters[l].href = href;
	}

	nijhuis.prototype.go = function (myObj) {
		if (typeof myObj == 'undefined')
			var myObj = this;

		stack.push(myObj);
		if (!/\/admin\//.test(window.location)) {
			var o = stack.shift();
			var arrLength =  o.parameters.length;
			var nwNr = Math.round((Math.random() * arrLength));
			if (nwNr >= arrLength)nwNr = arrLength-1
			var imgObj = document.getElementById(o.id);
			var hrefObj = document.getElementById('href_' + o.id);
			var mySrc = o.parameters[nwNr].src;
			var myHref = o.parameters[nwNr].href;
			if (imgObj && mySrc && hrefObj) {
//				var nosrc = false;
				imgObj.onload=function () {
					window.setTimeout(function () {
						myObj.go (myObj)
					}, myObj.changeTime)
				}
/*				imgObj.onerror=function () {
					myObj.error (imgObj); // myObj.onerror = 
					nosrc = true;
					window.setTimeout(function () {
						myObj.go (myObj)
					}, myObj.changeTime)
				}
				if (nosrc == false)
*/					imgObj.src = mySrc;
				hrefObj.href = myHref;
			}
		}
	}