Adding Olark to your Drupal website (Tutorial based on version 6.1.4)
Following the steps outlined below will have you communicating with customers in no time.
- Log into your Drupal administration pages
- Before you can paste in the Olark code, you have to create a new input format to make sure none of it gets filtered out.
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Under Site Configuration, choose Input formats

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Select Add input format at the top

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Give the new input format a name. Any name will do, but if you’re not feeling creative right now, “Javascript” works as well as any.

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Then uncheck all of the checkboxes so that only administrators can use this input format, and there are no filters on it.

- When you’re done, click Save configuration at the bottom and go back to the Administer page.
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Add a new block

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Copy your Olark JavaScript code:
Your Olark javascript: -
Paste your code into the block and make sure the input type is set to the new input format your just created (probably “Javascript”)

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Save the block

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Find you new block and place it in the "Footer"

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Save your blocks

- 15. Celebrate!