function PopUpWindow(varName, url, winName, features, winReplace)
{
	if (window[varName] && window[varName].close)
		window[varName].close();

	window[varName] = window.open(url, winName, features, winReplace);
	window[varName].focus();
}

function URLEncode(s)
{
	return (s!=null) ? escape(s).replace(/\+/, "%2B") : '';
}

//Pop Up window exit message
function exitsiteconfirm(url, message) {
	if (confirm(message)) 
	{
		PopUpWindow("NotBNC", url, "NotBNCWindow", "status=1,toolbar=1,location=1,menubar=1,scrollbars=1,directories=1", false);
	}
}