Retrieving data from 3 query(s) for a new report

Hi, I figured why this post hasnt received any response so i digged and came up with the following. it just didnt print anything, i cant fugure where my mistakes were even after setting my debug to 2.

<?php
/**********************************************************************
    Copyright (C) FrontAccounting, LLC.
    Released under the terms of the GNU General Public License, GPL,
    as published by the Free Software Foundation, either version 3
    of the License, or (at your option) any later version.
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
    See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
***********************************************************************/
$page_security = 'SA_SALESANALYTIC';

$path_to_root="..";

include_once($path_to_root . "/includes/session.inc");
include_once($path_to_root . "/includes/date_functions.inc");
include_once($path_to_root . "/sales/includes/db/cust_trans_db.inc");
include_once($path_to_root . "/inventory/includes/inventory_db.inc");
include_once($path_to_root . "/manufacturing/includes/db/work_order_issues_db.inc");
include_once($path_to_root . "/purchasing/includes/db/supp_trans_db.inc");
include_once($path_to_root . "/includes/ui.inc");
// ----------------------------------------------------------------
// $ Revision:    2.0 $
// Creator:    tee
// date_:    2013-01-09
// Title:    Inventory DailyRefs Report
// ----------------------------------------------------------------
//----------------------------------------------------------------------------------------------------

print_dailyref();

//----------------------------------------------------------------------------------------------------

function print_dailyref()
{
    global $path_to_root,$systypes_array;
   
    //include_once($path_to_root . "/reporting/includes/pdf_report.inc");
   
    $from = $_POST['PARAM_0'];
    $to = $_POST['PARAM_1'];
    $comments = $_POST['PARAM_2'];
    $destination = $_POST['PARAM_3'];
    if ($destination)
        include_once($path_to_root . "/reporting/includes/excel_report.inc");
    else
        include_once($path_to_root . "/reporting/includes/pdf_report.inc");
   
    $from = date2sql($from);
    $to = date2sql($to);
   
       
    $cols = array(0,  175,  350,  515);

    $headers = array(_('Type'), _('Date'), _('Reference #'));
   
    $aligns = array('left',    'left', 'right');

    $params = array('comments' => $comments);
       
    for ($i = $from; $i <= $to; $i++)
    {
       
        $rep = new FrontReport(_('Inventory DailyRef Report'), "InventoryDailyRefReport", user_pagesize());
       
        $rep->Font();
        $rep->Info($params, $cols, $headers, $aligns);
       
        $rep->NewPage();
       
        if (!exists_customer_trans($i))
                continue;
       
        $res = get_sql_for_customer_inquiry($i);
   
        while ($myrow = db_query($res))
        {
            if(
            $rep->NewLine();
            $rep->TextCol(0, 1,$systypes_array[$myrow['type']]);
            $rep->TextCol(1, 2,$myrow['date']);
            $rep->TextCol(2, 3,$myrow['reference']);
            $rep->NewLine();
        }
        if (!exists_supp_trans($i))
            continue;
        $res2 = get_sql_for_supplier_inquiry($i);
       
        while($myrow2 = db_fetch($res2))
        {
            $rep->NewLine();
            $rep->TextCol(0, 1,$systypes_array[$myrow2['type']]);
            $rep->TextCol(1, 2,$myrow2['date']);
            $rep->TextCol(2, 3,$myrow2['reference']);
            $rep->NewLine();
        }
       
       
        if (!exists_work_order_issue($issue_no,$i)
            continue;
           
        $res3 = get_work_order_issue($issue_no,$i);
       
        while($myrow3 = db_fetch($res3))
        {
            $rep->NewLine();
            $rep->TextCol(0, 1,$myrow2$systypes_array[$myrow3['type']]);
            $rep->TextCol(1, 2,$myrow2['date']);
            $rep->TextCol(2, 3,$myrow2['reference']);
            $rep->NewLine();
        }
       
    }
   
    $rep->Line($rep->row  - 4);
    $rep->Line();
    $rep->End();
}

?>