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) {
		menu_feat_over = newImage("images/mmp_menu_feat-o.jpg");
		menu_demo_over = newImage("images/mmp_menu_demo-o.jpg");
		menu_down_over = newImage("images/mmp_menu_down-o.jpg");
		menu_pric_over = newImage("images/mmp_menu_pric-o.jpg");
		menu_supp_over = newImage("images/mmp_menu_supp-o.jpg");
		menu_foru_over = newImage("images/mmp_menu_foru-o.jpg");
		menu_affi_over = newImage("images/mmp_menu_affi-o.jpg");
		menu_conn_over = newImage("images/mmp_menu_cont-o.jpg");
		menu_home_over = newImage("images/mmp_menu_home-o.jpg");
		preloadFlag = true;
	}
}