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) {
		id20Tt = newImage("club/20Tt.jpg");
		id21Uu = newImage("club/21Uu.jpg");
		id22Vv = newImage("club/22Vv.jpg");
		id23Ww = newImage("club/23Ww.jpg");
		id24Xx = newImage("club/24Xx.jpg");
		id25Yy = newImage("club/25Yy.jpg");
		id26Zz = newImage("club/26Zz.jpg");
		preloadFlag = true;
	}
}