if(document.images) {
	mini1 = new Image();
	mini2 = new Image();
	mini3 = new Image();
	mini4 = new Image();
	foto1 = new Image();
	foto2 = new Image();
	foto3 = new Image();
	foto4 = new Image();

	rebo1 = new Image();
	reon1 = new Image();
	rebo2 = new Image();
	reon2 = new Image();
	rebo3 = new Image();
	reon3 = new Image();
	rebo4 = new Image();
	reon4 = new Image();
}

// define the image sources

if(document.images) {
   	mini1.src = "images/fotos/mini1.jpg";
   	mini2.src = "images/fotos/mini2.jpg";
   	mini3.src = "images/fotos/mini3.jpg";
   	mini4.src = "images/fotos/mini4.jpg";
   	foto1.src = "images/fotos/foto1.jpg";
   	foto2.src = "images/fotos/foto2.jpg";
   	foto3.src = "images/fotos/foto3.jpg";
   	foto4.src = "images/fotos/foto4.jpg";
   	rebo1.src = "images/fotos/rebo1.jpg";
   	rebo2.src = "images/fotos/rebo2.jpg";
   	rebo3.src = "images/fotos/rebo3.jpg";
   	rebo4.src = "images/fotos/rebo4.jpg";
   	reon1.src = "images/fotos/reon1.jpg";
   	reon2.src = "images/fotos/reon2.jpg";
   	reon3.src = "images/fotos/reon3.jpg";
   	reon4.src = "images/fotos/reon4.jpg";
}

function swapit(imgLocation, imgName) {
	if(document.images) {
		document.images[imgLocation].src = eval(imgName + ".src");
	}
}

function showfoto(fotonummer) {
	parent.document.foto.src="images/fotos/foto"+fotonummer+".jpg"
	document.rebo.src="images/fotos/rebo"+fotonummer+".jpg";
	document.reon.src="images/fotos/reon"+fotonummer+".jpg";
}

function parentgo(pagina, fotofile, text){
	parent.frames['mainframe'].location.href=pagina;
	parent.document.foto.src="images/"+fotofile;
	if(!text)  text="";
	getObject('fotograaf').innerHTML=text;
}
function go(pagina, fotofile, text){
	frames['mainframe'].location.href=pagina;
	document.foto.src="images/"+fotofile;
	if(!text)  text="";
	getObject('fotograaf').innerHTML=text;
}
function change(id){
	document.formnaam.optredenid.value=id;
	document.formnaam.submit();
}

function getObject( obj ) {
  // Most browsers
  if ( document.getElementById ) {
    obj = document.getElementById( obj );
  // IE4
  } else if ( document.all ) {
    obj = document.all.item( obj );
  //Didn't work
  } else {
    obj = null;
  }

 return obj;
}