// QueryString Engine v1.0
//By James Campbell
(function($) {
	$.getQueryString = function(options)
	{
		defaults = {defaultvalue:"null"} ;
		options = jQuery.extend(defaults , options);
		qs = location.search.substring(1, location.search.length);
		if (qs.length == 0) return options.defaultvalue;
			qs = qs.replace(/\+/g, ' ');
			var args = qs.split('&');
			for (var i = 0; i < args.length; i ++ )
			{
				var value;
				var pair = args[i].split('=');
				var name = unescape(pair[0]);

			if (pair.length == 2)
			{	
				value = unescape(pair[1]);
			}
			else
			{
				value = name;
			}
			if (name == options.id || i == options.id-1)
			{
					return value;
			}
			}
		return options.defaultvalue
	};
})(jQuery);