advent1 = new Date(2006,12-1,3);
advent2 = new Date(2006,12-1,10);
advent3 = new Date(2006,12-1,17);
advent4 = new Date(2006,12-1,24);
advent5 = new Date(2006,12-1,26);
now = new Date();
if ((now >= advent1) && (now < advent2)) {
	document.write("<img src=\"images/advent1.gif\" width=\"168\" height=\"70\">");
} else 
	if ((now >=advent2) && (now < advent3)) {
		document.write("<img src=\"images/advent2.gif\" width=\"168\" height=\"70\">");
	} else 
		if ((now >=advent3) && (now < advent4)) {
			document.write("<img src=\"images/advent3.gif\" width=\"168\" height=\"70\">");
		} else 
			if ((now >=advent4) && (now < advent5)) {
				document.write("<img src=\"images/advent4.gif\" width=\"168\" height=\"70\">");
			}