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) {
		Inside_10over = newImage("images/Inside_10over.gif");
		Inside_11over = newImage("images/Inside_11over.gif");
		Inside_12over = newImage("images/Inside_12over.gif");
		Inside_13over = newImage("images/Inside_13over.gif");
		Inside_14over = newImage("images/Inside_14over.gif");
		preloadFlag = true;
	}
}