private function get_col_start()
{
// Find out where the body must start according to the body orientation.
// Orientation defaults to left, thus, col_start is 0.
$col_start = 0;
switch ($this->get_setting('body_orientation')) {
case 'right':
$col_start = $this->get_setting('layout_columns') - $this->get_setting('body_column_span');
break;
case 'center':
$col_start = floor(($this->get_setting('layout_columns') - $this->get_setting('body_column_span')) / 2);
break;
}
return $col_start;
}