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1. create "promo-block:ImageField" tag, that will:
   1. get field name using this code: $field = $this->SelectParam($params, 'name,field');
   2. if "$field" is "false" (means no parameter was given) then use "Image" field name
   3. create "$current_language_field" variable, that would represent field name on current language (e.g. "l3_Image" for "Image" field)
   4. get field value (via "GetDBField" method)
   5. if value found, then set $params['name'] to the "$current_language_field" and return "Field" tag result
   6. set $params['name'] to the field name on primary language and return "Field" tag result

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