Further changes for new design

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25745 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
New algebra (show/hide) images

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25746 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e