function gettop(s){
	s="<table width=800><tr><td><span class=subHeader>"+s+"</span></td>"
	+"<td align=right>&nbsp;&nbsp;&nbsp;&nbsp;<a href=../index.htm>CoolMolecules home page</a>"
	+"&nbsp;&nbsp;&nbsp;&nbsp;<a href=index.htm>class activities page</a>"
	+"&nbsp;&nbsp;&nbsp;&nbsp;<a target=_blank href=../explore.htm>database (new window)</a>"
	+"</td></tr></table>"
	document.write(s)
}