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) {
		MRS_HomePg_05_over = newImage("images/MRS_HomePg_05-over.jpg");
		MRS_HomePg_06_over = newImage("images/MRS_HomePg_06-over.jpg");
		MRS_HomePg_07_over = newImage("images/MRS_HomePg_07-over.jpg");
		MRS_HomePg_08_over = newImage("images/MRS_HomePg_08-over.jpg");
		MRS_HomePg_09_over = newImage("images/MRS_HomePg_09-over.jpg");
		MRS_HomePg_10_over = newImage("images/MRS_HomePg_10-over.jpg");
		MRS_HomePg_19_over = newImage("images/MRS_HomePg_19-over.jpg");
		MRS_HomePg_20_over = newImage("images/MRS_HomePg_20-over.jpg");
		MRS_HomePg_21_over = newImage("images/MRS_HomePg_21-over.jpg");
		MRS_HomePg_22_over = newImage("images/MRS_HomePg_22-over.jpg");
		preloadFlag = true;
	}
}