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

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

	function changeImages() {
			changeImagesArray(changeImages.arguments);
	}

	function toggleImages() {
			for (var i=0; i<toggleImages.arguments.length; i+=2) {
					if (selected == toggleImages.arguments[i])      changeImagesArray(toggleImages.arguments[i+1]);
			}
	}

	var selected = '';
	var preloadFlag = true;
	function preloadImages() {
			if (document.images) {
					Slice3overSlice5sel = newImage("..images/Slice3overSlice5sel.png");
					Slice3overSlice7sel = newImage("..images/Slice3overSlice7sel.png");
					Slice3overSlice9sel = newImage("..images/Slice3overSlice9sel.png");
					Slice3over = newImage("..images/Slice3over.png");
					Slice3sel = newImage("..images/Slice3sel.png");
					Slice5overSlice3sel = newImage("../images/Slice5overSlice3sel.png");
					Slice5overSlice7sel = newImage("../images/Slice5overSlice7sel.png");
					Slice5overSlice9sel = newImage("../images/Slice5overSlice9sel.png");
					Slice5over = newImage("../images/Slice5over.png");
					Slice5sel = newImage("../images/Slice5sel.png");
					Slice7overSlice3sel = newImage("../images/Slice7overSlice3sel.png");
					Slice7overSlice5sel = newImage("../images/Slice7overSlice5sel.png");
					Slice7overSlice9sel = newImage("../images/Slice7overSlice9sel.png");
					Slice7over = newImage("../images/Slice7over.png");
					Slice7sel = newImage("../images/Slice7sel.png");
					Slice9overSlice3sel = newImage("../images/Slice9overSlice3sel.png");
					Slice9overSlice5sel = newImage("../images/Slice9overSlice5sel.png");
					Slice9overSlice7sel = newImage("../images/Slice9overSlice7sel.png");
					Slice9over = newImage("../images/Slice9over.png");
					Slice9sel = newImage("../images/Slice9sel.png");
					preloadFlag = true;
			}
	}