function atgc_key()
{
	wr_doc(
		"<a href='atgc.htm' target='atgc_win'>" +
		"<img src='atgcbb.gif' border='0' align='left'></a>" +

		"<a href='codons.htm' target='codons_win'>" +
		"<img src='codons.gif' border='0' align='left'></a>"
	);

/*
	wr_doc(
		"<table bgcolor='black' align='left'>" +
		"<tr><td>" +
		"<a href='atgc.htm' target='atgc_win'>" +
		"<tt><font size='+3'><b>" +
		"<font color='black'>&nbsp;</font>" +
		"<font color='#6060FF'>A</font>" +
		"<font color='black'>&nbsp;</font>" +
		"<font color='#FFFF00'>T</font>" +
		"<font color='black'>&nbsp;</font>" +
		"<font color='#00FF00'>G</font>" +
		"<font color='black'>&nbsp;</font>" +
		"<font color='#FF0000'>C</font>" +
		"<font color='black'>&nbsp;</font>" +
		"</font><font size='+3'><b>" +
		"<font color='#B45A00'>backbone</font></b>" +
		"<font color='black'>&nbsp;</font>" +
		"</b></font></tt>" +
		"</a>" +
		"</td></tr>" +
		"</table>"
	);
*/
}