function getParameter(paramName)
{
	return getParameterInQueryString(paramName, location.search);
}

function getParameterInQueryString(paramName, queryString)
{
	var regexString = paramName + "=([^&#]*)";
	var regex = new RegExp(regexString);
	var result = regex.exec(queryString);
	if (result == null)
		return "";
	else
		return result[1];
}