function showDialog(url, name, width, height)
{
	var features="resizable=no,toolbar=no,menubar=no,height=" + height + ",width=" + width;
	window.open(url, name, features, false);
}
function getQueryStringParameter(name)
{
	var query = location.search.substring(1);
	var tokens = query.split("&");
	for (var i = 0; i < tokens.length; i++)
	{
		var nvpair = tokens[i].split("=");
		if (nvpair.length == 2)
		{
			if (nvpair[0] == name)
			{
				return decodeURI(nvpair[1]);
			}
		}
	}
	return "";
}
function getAffiliate()
{
	return getQueryStringParameter("affiliate");
}
function getEmail()
{
	return getQueryStringParameter("email");
}
function getReferrer()
{
	return decodeURI((window.document.referrer != null && window.document.referrer.length > 0) ? window.document.referrer : window.location.href);
}