Imported From: http://groups.google.com/group/in-portal-dev/browse_thread/thread/5fe9214303208f70#
Currently we use integer numbers to identify content block on the page like
this: *<inp2:st_ContentBlock num="5"/>*. We don't use content block name,
since numeric field can be accessed faster in database.
Recently I came across need to place content block below each field on
front-end form. To solve my case I passed "prefix" and "field name" as
content block number and applied "crc32" function to that string to retrieve
proper number.
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Best Regards,