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) {
		top_04_over = newImage("../../img/top_04-over.gif");
		top_05_over = newImage("../../img/top_05-over.gif");
		top_06_over = newImage("../../img/top_06-over.gif");
		top_07_over = newImage("../../img/top_07-over.gif");
		top_08_over = newImage("../../img/over_14.gif");
		top_09_over = newImage("../../img/over_19.gif");
		top_10_over = newImage("../../img/over_23.gif");
		top_11_over = newImage("../../img/over_20.gif");
		top_12_over = newImage("../../img/over_22.gif");
		top_13_over = newImage("../../img/over_21.gif");
		top_14_over = newImage("../../img/over_30.gif");
		top_15_over = newImage("../../img/over_31.gif");
		preloadFlag = true;
	}
}

function preloadSMEPImages() {
	top_08_over = newImage("img/over_14.gif");
	top_09_over = newImage("img/over_19.gif");
	top_10_over = newImage("img/over_23.gif");
	top_11_over = newImage("img/over_20.gif");
	top_12_over = newImage("img/over_22.gif");
	top_13_over = newImage("img/over_21.gif");
	top_14_over = newImage("img/over_30.gif");
	top_15_over = newImage("img/over_31.gif");
	preloadFlag = true;
}