<!-- Begin
function getCSS()
{
datetoday = new Date();
timenow=datetoday.getTime();
datetoday.setTime(timenow);
thehour = datetoday.getHours();

if (thehour > 20)
 display = "stylenight.css";
  else if (thehour > 15)
 display = "styledusk.css";
 else if (thehour > 11)
 display = "styleday.css";
 else if (thehour > 5)
 display = "styledawn.css";
 else
 display = "stylenight.css";


var css = '<';  css+='link rel="stylesheet" href=' + display + ' \/';  css+='>';

document.write(css);
// End -->
}