xt_multc =""//do not modify below
			if (window.xtparam != null){ window.xtparam+=xt_multc; }
			else{ window.xtparam = xt_multc; };
		xt_an = "0";
		xt_ac = "0";
		if(window.xtparam!=null)
			window.xtparam += "&ac="+xt_ac+"&an="+xt_an;
		else
			window.xtparam = "&ac="+xt_ac+"&an="+xt_an;