+ ROOT_DIR=`(cd ${SCRIPT_DIR}/.. ; pwd)`;
+ # 1. check if there is appropriate PDF files viewer
+ for r in acroread kpdf kghostview xpdf ; do
+ reader=`which ${r} 2>/dev/null`
+ if [ "$?" = "0" ] ; then
+ break;
+ fi
+ done
+ # 2. check if Release Notes file is available