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_03_07_01_over = newImage("images/top_03_07_01-over.gif");
		top_03_07_02_over = newImage("images/top_03_07_02-over.gif");
		top_03_07_03_over = newImage("images/top_03_07_03-over.gif");
		top_03_07_04_over = newImage("images/top_03_07_04-over.gif");
		top_03_07_05_over = newImage("images/top_03_07_05-over.gif");
		top_03_07_06_over = newImage("images/top_03_07_06-over.gif");
		top_03_07_07_over = newImage("images/top_03_07_07-over.gif");
		top_03_07_08_over = newImage("images/top_03_07_08-over.gif");
		top_03_07_09_over = newImage("images/top_03_07_09-over.gif");
		top_03_07_10_top_03_07_01_over = newImage("images/top_03_07_10-top_03_07_01_o.gif");
		top_03_07_10_top_03_07_02_over = newImage("images/top_03_07_10-top_03_07_02_o.gif");
		top_03_07_10_top_03_07_03_over = newImage("images/top_03_07_10-top_03_07_03_o.gif");
		top_03_07_10_top_03_07_04_over = newImage("images/top_03_07_10-top_03_07_04_o.gif");
		top_03_07_10_top_03_07_05_over = newImage("images/top_03_07_10-top_03_07_05_o.gif");
		top_03_07_10_top_03_07_06_over = newImage("images/top_03_07_10-top_03_07_06_o.gif");
		preloadFlag = true;
	}
}