Click button, which doubles the real world bounding box of the visible map section, halfes the scale (doubles the scale number). Image size is not affected.
INSERT INTO gui_element (fkey_gui_id, e_id, e_pos, e_public, e_comment, e_title, e_element, e_src, e_attributes, e_left, e_top, e_width, e_height, e_z_index, e_more_styles, e_content, e_closetag, e_js_file, e_mb_mod, e_target, e_requires, e_url) VALUES ('<app_id>','mb_zoomOut', 2,1,'zoomOut button','Zoom out','img', '../img/button_gray/zoomOut2_off.png','',245,10,24,24,1,'','','', '../plugins/mb_zoomOut.js','','mapstraction','', '');
http://www.mapbender.org/User:Christoph_Baudson
Copyright © 2009, Open Source Geospatial Foundation This program is dual licensed under the GNU General Public License and Simplified BSD license. http://svn.osgeo.org