proc showY {pw ax} {
#$Header: /home/cvsroot/tcldb/wisql/Tlib/showY,v 1.1 1998/05/17 00:54:48 de Exp $

	global Vdata Data

#	pw is plot widget
#	ele is ele name
#	eli is element index in plot 

	set ds $Vdata($ax)
	set nam [keylget Data($ds) $ax]

	$pw y2axis use $ax 
	$pw y2axis configure -title "$nam"

}
