myDoc = app.activeDocument;
for (k=3; k<myDoc.pages.length; k = k+3)
myDoc.pages[k].textFrames.previousTextFrame = myDoc.pages[k-1].textFrames;
this asummes set up as you described:
- each 3 pages are separated thread;
- only one textFrame on each page;
- start from 1st page;
hope it can help.
Rorohiko.com has a free text stitch script
Sorry to be so long acknowledging your help - but just to say it was all appreciated and useful info. Problem solved.