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) {
		Indexpage_06_over = newImage("images/Index-page_06-over.gif");
		Indexpage_06_down = newImage("images/Index-page_06-down.gif");
		Indexpage_07_over = newImage("images/Index-page_07-over.gif");
		Indexpage_07_down = newImage("images/Index-page_07-down.gif");
		Indexpage_08_over = newImage("images/Index-page_08-over.gif");
		Indexpage_08_down = newImage("images/Index-page_08-down.gif");
		Indexpage_09_over = newImage("images/Index-page_09-over.gif");
		Indexpage_09_down = newImage("images/Index-page_09-down.gif");
		Indexpage_10_over = newImage("images/Index-page_10-over.gif");
		Indexpage_10_down = newImage("images/Index-page_10-down.gif");
		Indexpage_11_over = newImage("images/Index-page_11-over.gif");
		Indexpage_11_down = newImage("images/Index-page_11-down.gif");
		Indexpage_12_over = newImage("images/Index-page_12-over.gif");
		Indexpage_12_down = newImage("images/Index-page_12-down.gif");
		Indexpage_14_Indexpage_06_over = newImage("images/Index-page_14-Index-page_06.gif");
		Indexpage_14_Indexpage_07_over = newImage("images/Index-page_14-Index-page_07.gif");
		Indexpage_14_Indexpage_08_over = newImage("images/Index-page_14-Index-page_08.gif");
		Indexpage_14_Indexpage_09_over = newImage("images/Index-page_14-Index-page_09.gif");
		Indexpage_14_Indexpage_10_over = newImage("images/Index-page_14-Index-page_10.gif");
		Indexpage_14_Indexpage_11_over = newImage("images/Index-page_14-Index-page_11.gif");
		Indexpage_14_Indexpage_12_over = newImage("images/Index-page_14-Index-page_12.gif");
		preloadFlag = true;
	}
}