/**
 * @(#) $RCSfile: BloggerShift.as,v $ $Revision: 1.3 $ $Date: 2003/01/29 16:40:19 $
 *
 * Copyright 2003 Orgdot AS. All Rights Reserved.
 * http://dev.swfit.com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * 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
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

/**
 * The most basic scrolling action on a news feed.
 *
 * @author      Olaf Havnes
 * @version     $Revision: 1.3 $ $Date: 2003/01/29 16:40:19 $
 * @since       SWFIT1.0
 */

DEFAULT_SHIFT_CLIP = "blogger";
sclip = shift_clip eq "" ? DEFAULT_SHIFT_CLIP : shift_clip;

DEFAULT_NUM_SHIFT = 2;
nshift = num_shift eq "" ? DEFAULT_NUM_SHIFT : num_shift;

if (start_pos ne "")
{
    // we don't want to measure it again
}
else
{
    start_pos = getProperty (sclip, _y);
}

if (num_shifted < 0) num_shifted = 0;
else while (num_shifted * nshift >= num_clip) num_shifted--;

theight = eval ("tot_height_" add (num_shifted * nshift));

setProperty (sclip, _y, start_pos - theight);