function TimeOfDate() {
	var time = new Date().getHours();
	  document.getElementById('kostya').src = (time>=8 && time<18) ? "daylight.jpg" : "nighttime.jpg";
	  document.getElementById('odnoklassniki').href = "http://www.odnoklassniki.ru/dk?st.cmd=friendMain&st.friendId=dofohjgndligrcdju0foblhhtcbkwfxwdvnyw";
}