prGetStyle(...)styles="background: blue", align="center"
the function will convert the align into proper align: center.vector,
named vector, or string.string Returns the codes merged into one string with
correct CSS ; and : structure.
htmlTable: prAddCells,
prAddSemicolon2StrEnd,
prGetCgroupHeader,
prGetRowlabelPos,
prPrepareAlign,
prPrepareCgroup, prTblNo