Microsoft VBScript compilation error '800a0401'

Expected end of statement

/yl/clicks.asp, line 27

CheckReferer("www.viroweb.fi,viroweb.fi,www.viroweb.com,viroweb.com,www.viroweb.ee,viroweb.ee,www.estnet.info,estnet.info,www.estlandweb.com,estlandweb.com") Then
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