getFieldValues and getFieldTexts returning in different orders

I have a multiple select field on cases that has the list/record set to transactions.

I'm trying to pull some information onto the case from these transactions. Thought I figured out a clever way to grab the transaction's ids and types... but it's proving to be difficult.

Here's the pertinent part of what I've got:

    var rec = nlapiGetNewRecord(); //load the case     var Caseid = rec.getId();  //return ID     var CaseRR = rec.getFieldValues('custeventcaseforordernumber'); //return related transactions     var CaseRRtypes = rec.getFieldTexts('custeventcaseforordernumber');     for (var i = 0; i < CaseRR.length; i++) {        var rrID = CaseRR[i];        var RRtype = CaseRRtypes[i].replace(/[^(Purchase)][^(Sale)][^(Order)][^(Vendor)][^(return)][^(authorization)]/g, "").replace(/[^a-zA-Z]/g, "").toLowerCase();        var RRrec = nlapiLoadRecord(RRtype, rrID ); //load the related record  };