userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function findElement(n,ly) {
	if (browserVers < 4)		return document[n];
	var curDoc = ly ? ly.document : document;
	var elem = curDoc[n];
	if (!elem) {
		for (var i=0;i<curDoc.layers.length;i++) {
			elem = findElement(n,curDoc.layers[i]);
			if (elem) return elem;
		}
	}
	return elem;
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		var img;
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			img = null;
			if (document.layers) {
				img = findElement(changeImages.arguments[i],0);
			}
			else {
				img = document.images[changeImages.arguments[i]];
			}
			if (img) {
				img.src = changeImages.arguments[i+1];
			}
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		Slice_40_over = newImage("images/Slice_40_over.gif");
		iconbar_30_over = newImage("images/iconbar_30_over.gif");
		iconbar_22_over = newImage("images/iconbar_22_over.gif");
		iconbar_45_over = newImage("images/iconbar_45_over.gif");
		iconbar_41_over = newImage("images/iconbar_41_over.gif");
		iconbar_36_over = newImage("images/iconbar_36_over.gif");
		Slice_26_over = newImage("images/Slice_26_over.gif");
		Slice_15_over = newImage("images/Slice_15_over.gif");
		Slice_39_over = newImage("images/Slice_39_over.gif");
		Slice_33_over = newImage("images/Slice_33_over.gif");
		iconbar_31_over = newImage("images/iconbar_31_over.gif");
		iconbar_23_over = newImage("images/iconbar_23_over.gif");
		iconbar_42_over = newImage("images/iconbar_42_over.gif");
		iconbar_37_over = newImage("images/iconbar_37_over.gif");
		Slice_17_over = newImage("images/Slice_17_over.gif");
		iconbar_24_over = newImage("images/iconbar_24_over.gif");
		iconbar_46_over = newImage("images/iconbar_46_over.gif");
		iconbar_43_over = newImage("images/iconbar_43_over.gif");
		Slice_16_over = newImage("images/Slice_16_over.gif");
		Slice_34_over = newImage("images/Slice_34_over.gif");
		mszuiderzee_27_over = newImage("images/mszuiderzee_27_over.gif");
		mszuiderzee_18_over = newImage("images/mszuiderzee_18_over.gif");
		geschiedenis_28_over = newImage("images/geschiedenis_28_over.gif");
		geschiedenis_14_over = newImage("images/geschiedenis_14_over.gif");
		culinair_25_over = newImage("images/culinair_25_over.gif");
		culinair_19_over = newImage("images/culinair_19_over.gif");
		culinair_35_over = newImage("images/culinair_35_over.gif");
		foto_impressies_29_over = newImage("images/foto_impressies_29_over.gif");
		foto_impressies_20_over = newImage("images/foto_impressies_20_over.gif");
		foto_impressies_32_over = newImage("images/foto_impressies_32_over.gif");
		video_impressies__21_over = newImage("images/video_impressies-_21_over.gif");
		video_impressies__38_over = newImage("images/video_impressies-_38_over.gif");
		contact__44_over = newImage("images/contact-_44_over.gif");
		preloadFlag = true;
	}
}