function getCSS(){
	now = new Date();
	ima = now.getHours();

	if ((ima >= 6) && (ima <19 )) {
	document.write("<LINK rel='stylesheet' TYPE='text/css' href='http://www.bike-man.com/css/bg-white.css'>");
	}

	else {
	document.write("<LINK rel='stylesheet' TYPE='text/css' href='http://www.bike-man.com/css/bg-night.css'>");
	}
}