datetoday = new Date();
	timenow=datetoday.getTime();
	datetoday.setTime(timenow);
	thehour = datetoday.getHours();
	
	  if (thehour >= 18) 
		display = "../css/night.css";
	  else if (thehour >= 6) 
		display = "../css/morning.css";
	  else
		display = "../css/night.css";


	var css = '<';
	css+='link rel="stylesheet" href=' + display + ' \/';
	css+='>';
	
	document.write(css);