function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
	return rslt;
	}
}
function changeImagesArray(array) {
	if (preloadFlag == true) {
		var d = document; var img;
		for (var i=0; i<array.length; i+=2) {
			img = null; var n = array[i];
			if (d.images) {img = d.images[n];}
			if (!img && d.getElementById) {img = d.getElementById(n);}
			if (img) {img.src = array[i+1];}
		}
	}
}
function changeImages() {
	changeImagesArray(changeImages.arguments);
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		pre_navo0 = newImage('/Components/Buttons/navo0.jpg');
		pre_navo1 = newImage('/Components/Buttons/navo1.jpg');
		pre_navo3 = newImage('/Components/Buttons/navo3.jpg');
		pre_navo7 = newImage('/Components/Buttons/navo7.jpg');
		pre_navo6 = newImage('/Components/Buttons/navo6.jpg');
		pre_navo4 = newImage('/Components/Buttons/navo4.jpg');
		pre_navo9 = newImage('/Components/Buttons/navo9.jpg');
		pre_navo11 = newImage('/Components/Buttons/navo11.jpg');
		pre_navo8 = newImage('/Components/Buttons/navo8.jpg');
		pre_navo5 = newImage('/Components/Buttons/navo5.jpg');
		pre_navo12 = newImage('/Components/Buttons/navo12.jpg');
		pre_navo10 = newImage('/Components/Buttons/navo10.jpg');
		preloadFlag = true;
	}
}