$width = min(w2PgetParam($_GET, 'width', 600), 1400);
$start_date = w2PgetParam($_GET, 'start_date', $start_min);
$end_date = w2PgetParam($_GET, 'end_date', $end_max);
$count = 0;
$gantt = new GanttRenderer($AppUI, $width);
$gantt->localize();
$gantt->setTitle($projects[$project_id]['project_name'], '#' . $projects[$project_id]['project_color_identifier']);
$field = $showWork == '1' ? 'Work' : 'Dur';
if ($caller == 'todo') {
$columnNames = array('Task name', 'Project name', $field, 'Start', 'Finish');
$columnSizes = array(180, 50, 60, 60, 60);
} else {
$columnNames = array('Task name', $field, 'Start', 'Finish');
$columnSizes = array(230, 60, 60, 60);
}
$gantt->setColumnHeaders($columnNames, $columnSizes);
//-----------------------------------------
// nice Gantt image
// if diff(end_date,start_date) > 90 days it shows only
//week number
// if diff(end_date,start_date) > 240 days it shows only
//month number
//-----------------------------------------
if (!$start_date || !$end_date) {
// find out DateRange from gant_arr
$d_start = new CDate();
$d_end = new CDate();
$taskArray = count($gantt_arr);
for ($i = 0, $i_cmp = $taskArray; $i < $i_cmp; $i++) {
$a = $gantt_arr[$i][0];
$start = substr($a['task_start_date'], 0, 10);
