@register.tag<EOL>def olark(parser, token):
bits = token.split_contents()<EOL>if len(bits) > <NUM_LIT:1>:<EOL><INDENT>raise TemplateSyntaxError("<STR_LIT>" % bits[<NUM_LIT:0>])<EOL><DEDENT>return OlarkNode()<EOL>
Olark set-up template tag.

Renders Javascript code to set-up Olark chat.  You must supply
your site ID in the ``OLARK_SITE_ID`` setting.