function draftBills()

{

  try

  {

    var result = UrlFetchApp.fetch("https://books.zoho.com/api/v3/bills?authtoken=" + token + "&status=draft");

    var data = JSON.parse(result.getContentText());

    var bills = data.bills;

    var body = "", count = 0, words = "", bill = [], poNums = [];

    for (var i = 0; i <= bills.length-1; i++)

    {

      result = UrlFetchApp.fetch("https://books.zoho.com/api/v3/bills/" + bills[i].bill_id + "?authtoken=" + token);

      data = JSON.parse(result.getContentText());

      bill = data.bill;

      poNums = bill.purchaseorder_ids;

      if (poNums.length < 1) continue;

      for (var p = 0; p <= poNums.length-1; p++)

      {

        result = UrlFetchApp.fetch('https://books.zoho.com/api/v3/purchaseorders/' + poNums[p] + '?authtoken=' + token);

        data = JSON.parse(result.getContentText());

        if (data.purchaseorder.received_status != "received") continue

        count++;

        result = openDraftBills(bill.bill_id);

        if (result === true) {words = ", <b>has been converted to open</b>"}

        else words = result;

        body = body + "<b>" + poNums[p] + "</b> is now received from " + bills[i].vendor_name + " - " + bills[i].bill_number + words + "<br>";  

      }

    }

    if (count > 0)

    {

      MailApp.sendEmail(

        {

          to: "delugeguys@zoho.com",

          subject: count + " PO receives for draft bills",

          htmlBody: body

        })

    }

  } catch (e) {log_("An error occured in draftBills: " + e.message + " : line number = " + e.lineNumber)};

  return;

}

function openDraftBills(iD)

{

  try

  {

    var result = UrlFetchApp.fetch("https://books.zoho.com/api/v3/bills/" + iD + "?authtoken=" + token);

    var data = JSON.parse(result.getContentText());

    var bill = data.bill;

    if (bill.status != "draft") return " - Was already open!";

    var vendor = bill.vendor_id;

    var billArray =

        {

          "vendor_id": vendor,

          "bill_number": iD,

          "status": "open"

        }    

    var newArray = encodeURIComponent(JSON.stringify(billArray));

    var options = {

      "method":"put",

      "contentType":"application/json"

      //'muteHttpExceptions' : true

    }

    var url = 'https://books.zoho.com/api/v3/bills/' + iD + '?authtoken=' + token + '&JSONString=' + newArray; 

    var response = UrlFetchApp.fetch(url,options);

    //var x = JSON.parse(response.getContentText());

    return true;

  } catch (e) {return " - Error converting bill to open: " + e.message + " : line number = " + e.lineNumber}

}