Fix for labeling of functions when marble is used

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24754 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Fix for close button in IE

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24755 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e