function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

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

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		index_Layer_4_copy_over = newImage("images/index_Layer-4-copy-over.png");
		index_Layer_5_copy_over = newImage("images/index_Layer-5-copy-over.png");
		index_Layer_8_copy_over = newImage("images/index_Layer-8-copy-over.png");
		index_Layer_6_copy_over = newImage("images/index_Layer-6-copy-over.png");
		index_Layer_7_copy_over = newImage("images/index_Layer-7-copy-over.png");
		index_Layer_6_copy_over029 = newImage("images/index_Layer-6-copy-over-29.png");
		index_Layer_3_copy_over = newImage("images/index_Layer-3-copy-over.png");
		index_Layer_2_copy_over = newImage("images/index_Layer-2-copy-over.png");
		preloadFlag = true;
	}
}