How to alphabetical order pages at indesign cs4?

This will do it.

But see also http://forums.adobe.com/thread/1082984?tstart=0 for a better workflow.

For some reason the OP over there didn't get back to say thanks and mark the answer as correct .

Trevor

// Script to sort Pages according to alphabetical order of their top TextFrames contents
// by Trevor (www.creative-scripts.com [coming soon]) custom and readymade scripts for InDesign
// http://forums.adobe.com/thread/1405293?tstart=0
// see also http://forums.adobe.com/thread/1082984?tstart=0 for a better workflow
app.doScript("aToZPageSort()", ScriptLanguage.javascript, undefined, UndoModes.FAST_ENTIRE_SCRIPT, "Sort Pages By top text contents");
function aToZPageSort () {
    var doc =  app.documents[0],
          myPageIndex = [],
          l = doc.pages.length,
          topFrameIndex = z= 0, pageFramesTops, i, topFrameHeight, topFrame;
    while (l--) {
        pageFramesTops = doc.pages.textFrames.everyItem().getElements().slice(0);
        n = i = pageFramesTops && pageFramesTops.length; 
        if (!i) continue;
        while (n--) pageFramesTops = pageFramesTops.geometricBounds[0]; // for some reason when one trys to get the geometricBounds[0] from teh everyItems without the elements it return y1, x1 and not just y1 ?-)
        topFrameHeight = pageFramesTops[0];
        topFrame = doc.pages.textFrames[0];
        for (var n = 0; n< i ; n ++) {
            if (pageFramesTops < topFrameHeight) {
                topFrameHeight = pageFramesTops; 
                topFrame = doc.pages.textFrames;
            }
        }
        myPageIndex [z++] = {page: topFrame.parentPage, contents: topFrame.contents.toLowerCase()}
    }
    myPageIndex.sort (function (a,b) {return (a.contents.toLowerCase() > b.contents.toLowerCase())});
    l = myPageIndex.length;
    while (l--) myPageIndex.page.move (LocationOptions.AT_BEGINNING);
}