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) {
		colman_03_over = newImage("images/colman_03-over.jpg");
		colman_04_over = newImage("images/colman_04-over.jpg");
		colman_05_over = newImage("images/colman_05-over.jpg");
		colman_06_over = newImage("images/colman_06-over.jpg");
		colman_07_over = newImage("images/colman_07-over.jpg");
		colman_08_over = newImage("images/colman_08-over.jpg");
		colman_09_over = newImage("images/colman_09-over.jpg");
		colman_13_over = newImage("images/colman_13-over.jpg");
		colman_17_over = newImage("images/colman_17-over.jpg");
		colman_19_over = newImage("images/colman_19-over.jpg");
		colman_23_over = newImage("images/colman_23-over.jpg");
		colman_27_over = newImage("images/colman_27-over.jpg");
		colman_29_over = newImage("images/colman_29-over.jpg");
		preloadFlag = true;
	}
}