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) {
		header2_patch	= newImage("images/header2_patch.gif");
		header3_02_over = newImage("images/header3_02-over.gif");
		header3_04_over = newImage("images/header3_04-over.gif");
		header3_06_over = newImage("images/header3_06-over.gif");
		header3_08_over = newImage("images/header3_08-over.gif");
		header3_10_over = newImage("images/header3_10-over.gif");
		header3_12_over = newImage("images/header3_12-over.gif");
		header3_14_over = newImage("images/header3_14-over.gif");
		header3_16_over = newImage("images/header3_16-over.gif");
		center_left_05	= newImage("http://www.inspolicy.com/images/center_left_05.gif");
		center_left_14	= newImage("http://www.inspolicy.com/images/center_left_14.gif");
		center_left_23	= newImage("http://www.inspolicy.com/images/center_left_23.gif");
		preloadFlag = true;
	}
}