## Title labels
#print 'iframe = ',iframe
if (flgabc==2) strlabel=substr(abclower,iframe,iframe);\
   else if (flgabc==3) strlabel=substr(abcupper,iframe,iframe);\
   else strlabel=sprintf("%d",iframe)
if (flgparenth>=0) thelabel=lparenth.strlabel.rparenth; else thelabel=strlabel
set label 1 thelabel at graph xnlbl, graph ynlbl front tc rgb rgbabc