function geklikt(x){
	if(navigator.appName == 'Microsoft Internet Explorer')
        x.blur();
}
function preloadImages() { 
  if (document.images) {
    var imgFiles = preloadImages.arguments;
    if (document.preloadArray==null) document.preloadArray = new Array();
    var i = document.preloadArray.length;
    with (document) for (var j=0; j<imgFiles.length; j++) if (imgFiles[j].charAt(0)!="#"){
      preloadArray[i] = new Image;
      preloadArray[i++].src = imgFiles[j];
  } }
}

function swapImgRestore() { 
  if (document.swapImgData != null)
    for (var i=0; i<(document.swapImgData.length-1); i+=2)
      document.swapImgData[i].src = document.swapImgData[i+1];
}

function swapImage() {
  var i,j=0,objStr,obj,swapArray=new Array,oldArray=document.swapImgData;
  for (i=0; i < (swapImage.arguments.length-2); i+=3) {
    objStr = swapImage.arguments[(navigator.appName == 'Netscape')?i:i+1];
    if ((objStr.indexOf('document.layers[')==0 && document.layers==null) ||
        (objStr.indexOf('document.all[')   ==0 && document.all   ==null))
      objStr = 'document'+objStr.substring(objStr.lastIndexOf('.'),objStr.length);
    obj = eval(objStr);
    if (obj != null) {
      swapArray[j++] = obj;
      swapArray[j++] = (oldArray==null || oldArray[j-1]!=obj)?obj.src:oldArray[j];
      obj.src = swapImage.arguments[i+2];
  } }
  document.swapImgData = swapArray; //used for restore
}
function showImage() {
  var i,j=0,objStr,obj,showArray = new Array, oldArray=document.showImgData;
  for (i=0; i < (showImage.arguments.length-2); i++) {
	objStr = showImage.arguments[(navigator.appName == 'Netscape')?i:i+1];
	if ((objStr.indexOf('document.layers[')==0 && document.layers==null) ||
        (objStr.indexOf('document.all[')  ==0 && document.all  == null))
		objStr = 'document'+objStr.substring(objStr.lastIndexOf('.'),objStr.length);
	obj = eval(objStr);
	if (obj != null) {
		showArray[j++] = obj;
		showArray[j++] = (oldArray==null || oldArray[j-1]!=obj)?obj.src:oldArray[j];
		obj.src = showImage.arguments[i+2];
	} }
	document.showImgData = showArray;
}

function dropMenuMain(mainURL) {
		parent.main.location.href = "main_gen/" + mainURL;
}
function dropMenuTussenframe(tussenURL) {
		parent.tussenframe.location.href = "frame4_gen/" + tussenURL;
}
function vulMain(mainURL) {
		parent.main.location.href = "../../main_files/" + mainURL;
}

function vulTop(topURL) {
		parent.top.location.href = "frame3_files/" + topURL;
}
function vulTussenframe(tussenURL) {
		parent.tussenframe.location.href = "frame4_files/" + tussenURL;
}
function anchorMain(anchorURL) {
		parent.main.location.href = "../main_gen/" + anchorURL;
}
function anchorWindow(anchorURL) {
	      window.location.href = anchorURL;
}
function beginMain(mainURL){
		parent.main.location.href = mainURL;
}

function beginTussenframe(tussenURL){
		parent.tussenframe.location.href = tussenURL;
}

function beginTop(topURL){
		parent.top.location.href = topURL;
}