public String getQueryString()
	{
		try
		{
			Iterator<String> it = queryData.keySet().iterator();
			String output = "";
			while ( it.hasNext() )
			{
				String thisKey = it.next();
				output += thisKey+"="+queryData.get(thisKey)+"&";
			}
			return output.substring(0,output.length()-1);
		} catch (Exception e) {
			return "";
		}
	}