#4791 fixed

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37904 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Avoid raw HTML in source, use Widgets instead

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37905 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e