var now = new Date();
var hours = now.getHours() ;
if(hours >= 5 && hours < 20)
{
	document.write('<img src="http://www.bluenewtnorth.com/images/stories/lampost_sm.png" />');
}
else
{
	document.write('<img src="http://www.bluenewtnorth.com/images/stories/lampost_light_sm.png" />');
}