void HTML_Table::setColType ( 
      
       int $col
      
       , 
       string $type
      
       , 
       int $body
        = null
      
     )
     Sets the type of a column to 'th'
     or 'td'
    
        int $col -
        Column index
       
        string $type -
        th or td
       
        int $body -
        The number of the tbody group that should be used.
        NULL indicates that all groups should be used.
       
This function can not be called statically.