function repeatColumns($first_col, $last_col = null)
    {
        $this->title_colmin  = $first_col;
        if (isset($last_col)) { // Second col is optional
            $this->title_colmax  = $last_col;
        } else {
            $this->title_colmax  = $first_col;
        }
    }
function repeatColumns($first_col, $last_col = null)
    {
        $this->title_colmin  = $first_col;
        if (isset($last_col)) { // Second col is optional
            $this->title_colmax  = $last_col;
        } else {
            $this->title_colmax  = $first_col;
        }
    }
function repeatColumns ( $ first_col , $ last_col = null ) { $ this -> title_colmin = $ first_col ; if ( isset ( $ last_col ) ) { // Second col is optional
 $ this -> title_colmax = $ last_col ; } else { $ this -> title_colmax = $ first_col ; } }
Set the columns to repeat at the left hand side of each printed page.

@access public
@param integer $first_col First column to repeat
@param integer $last_col  Last column to repeat. Optional.
Set the columns to repeat at the left hand side of each printed page .