Gant Chart เพี้ยน #งมมา 2 วันแล้วครับ ขอความรู้หน่อยครับ

<?php session_start();
include '../js/conn.php';?>
<div class="page-title">
</div>
<div class="row">
    <div class="col-md-12">
        <div class="x_panel">
            <div class="x_title">
                <h2>Gant Chart  </h2>
                <div class="clearfix"></div>
            </div>
            <div class="x_content">
                <div style="position:relative" class="gantt" id='GanttChartDIV'></div>
            </div>
        </div>
    </div>
</div>
 <?php /* 
     //Edit 18/7/62
 if ($_POST['user'] != '' && $_POST['date1'] != '' && $_POST['date2'] != '') {  //------- กรองทั้งหมด
        $sql_gc = " SELECT * FROM tbl_proj WHERE `ProDateStart` BETWEEN  '".$_POST['date1']."' AND '".$_POST['date2']."' AND `ProTeamL` = '".$_POST['user']."' OR `ProTeam` = '".$_POST['user']."' ";
      }elseif ($_POST['user'] != '' && $_POST['date1'] != '' && $_POST['date2'] == '') { //--------- กรอง USER กับวันที่ต้องการ 1 ช่อง
        $sql_gc = " SELECT * FROM tbl_proj WHERE `ProDateStart` BETWEEN  '".$_POST['date1']."' AND NOW() AND `ProTeamL` = '".$_POST['user']."' OR `ProTeam` = '".$_POST['user']."'";
      }elseif ($_POST['user'] != '') { //----------- กรองเฉพาะ USER
        $sql_gc = " SELECT * FROM tbl_proj WHERE `ProTeamL` = '".$_POST['user']."' OR `ProTeam` = '".$_POST['user']."'" ;
        echo "select user";
      }else {
        if ($_POST['user'] == '' && $_POST['date1'] != '' && $_POST['date2'] == '') {  //---------- กรองวันที่ ช่องแรก
          $sql_gc = " SELECT * FROM tbl_proj WHERE ProDateStart BETWEEN '".$_POST['date1']."' AND NOW()";
        }elseif ($_POST['user'] == '' && $_POST['date1'] != '' && $_POST['date2'] != '') {   //---------- กรองวันที่ทั้งหมด
          $sql_gc = " SELECT * FROM tbl_proj WHERE ProDateStart BETWEEN '".$_POST['date1']."' AND '".$_POST['date2']."'";
        }else { //------------ ไม่กรองอะไรเลย
        $sql_gc = " SELECT * FROM tbl_proj";
        }
       }  
  */
       
        $sql_gc = " SELECT * FROM tbl_proj WHERE ProDateStart BETWEEN '".$_POST['date1']."' AND '".$_POST['date2']."' AND `ProTeamL` = '".$_POST['user']."' ";
        $rsgc = mysql_query($sql_gc) or die(mysql_error());
      ?>
<script language="javascript">
    $(function () {
      var g = new JSGantt.GanttChart(document.getElementById('GanttChartDIV'), 'week');
        //var g = new JSGantt.GanttChart(document.getElementById('GanttChartDIV'), 'week');
        g.setCaptionType('Complete');  // Set to Show Caption (None,Caption,Resource,Team,Duration,Complete)
        g.setQuarterColWidth(86);
        g.setDateTaskDisplayFormat('day dd month yyyy'); // Shown in tool tip box
        g.setDayMajorDateDisplayFormat('mon yyyy - Week ww') // Set format to display dates in the "Major" header of the "Day" view
        g.setWeekMinorDateDisplayFormat('dd mon') // Set format to display dates in the "Minor" header of the "Week" view
        g.setShowEndWeekDate(0); // Show/Hide the date for the last day of the week in header for daily view (1/0)
        g.setUseSingleCell(10000); // Set the threshold at which we will only use one cell per table row (0 disables).  Helps with rendering performance for large charts.
        g.setFormatArr("Day", "Week", "Month", "Quarter");// Even with setUseSingleCell using Hour format on such a large chart can cause issues in some browsers
            // Parameters                     (pID,                           pName,                            pStart,                                pEnd,   
            //                             pStyle,
        <?php while ($rowgc = mysql_fetch_array($rsgc)) { ?>
         g.AddTaskItem(new JSGantt.TaskItem(<?php echo $rowgc['ProjID'];?>, 
                                                  '<?php echo $rowgc['ProName'];?>  ',
                                                    '<?php echo $rowgc['ProDateStart'];?>',
                                                     '<?php echo  $rowgc['ProDateEnd']; // $_POST['date2'] ; ?>',
           <?php $nowd = strtotime(date("Y-m-d"));
                 $endd = strtotime($_POST['date2']);//$rowgc['ProDateEnd']
                 $sum = ceil(abs($endd - $nowd) / 86400) ; //86400  ?>

            <?if($rowgc['ProStatus'] == 1 || $rowgc['ProStatus'] == 2) 
            {?>
                <?php if (date("Y-m-d") < $rowgc['ProDateEnd'] && $sum <= 7 ){ ?>
                 'gtaskyellow'
                  <?php }elseif (date("Y-m-d") > $rowgc['ProDateEnd']){ ?>
                 'gtaskred'
                   <?php }else{ ?>
                     'gtaskblue'
                         <?php } ?>
            <?php }
            elseif($rowgc['ProStatus'] == 3 || $rowgc['ProStatus'] == 4) {?>
                 'ggroupblack'
            <?php }
            elseif($rowgc['ProStatus'] == 5) {?>
             <?php if ($rowgc['ProDateStu'] > $rowgc['ProDateEnd'] && $rowgc['ProStatus'] == 5)
              { ?>
                'gtaskred'
            <?php }else{?>'gtaskgreen' <? } ?>
           <?}?>


    
    <?  if ($rowgc['ProTeam'] == 'null') {
        $team = '';
               }else {
        $team = ','.$rowgc['ProTeam'];  } ?>
            //pLink pMile, pRes,                                    pTeam,                    pComp,                           pGroup, pParent, pOpen, pDepend, pCaption, pNotes, pGantt 
        ,  '',     0, '<?php //echo $rowgc['ProTeamL'].$team;?>',<?php echo $rowgc['ProPer'];?>,  0,      0,       1,     '',      '',       '',      g ));
        <?php  } ?>
        
        g.Draw();

    });
    
</script>



ผมงมมา 2 วันแล้ว ขอบพระคุณล่วงหน้าสำหรับคำแนะนำครับ