var popWin = null;

function popup(url, features) {
		if (!(navigator.appName && navigator.appName.indexOf("Netscape") < 0 && parseFloat(navigator.appVersion) < 4.00)) {
			if (popWin != null) {
				if (!popWin.closed) {
					popWin.close();
					popupWaiting(url, features);
				}
				else popup2(url, features);
			}
			else popup2(url, features);
		}
		else popup2(url, features);
	}

function popup2(url, features) {
		popWin = window.open(url, "pWin", features);
	}

function popupWaiting(url, features) {
		if (!popWin.closed) window.setTimeout("popupWaiting('" + url + "', '" + features + "')", 100);
		else popup2(url, features);
	}

function loginpopup(target) {
	popup("login.asp?ams_target=/airmiles/" + target, "toolbar=no,menubar=no,location=yes,status=yes,scrollbars=yes,resizable=no ,width=522,height=375,left=5,top=5,screenX=5,screenY=5 ");
}