var now = new Date();
	var theTime = now.getSeconds();

	if (theTime % 3 == 0)
	strImageText = "<img src = '/rethink_energy/images/billboard1.jpg' valign = 'top' title = 'RETHINK Energy'>"
	
	else if (theTime % 3 == 1)
	strImageText = "<img src = '/rethink_energy/images/billboard2.jpg' valign = 'top' title = 'RETHINK Energy'>"

	else if (theTime % 3 == 2)
	strImageText = "<img src = '/rethink_energy/images/billboard3.jpg' valign = 'top' title = 'RETHINK Energy'>"