drupal 6 - how to know if user is seeing home page or not? -

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Today I'm coding some JavaScript, I need some images in it, only on my home page Br> How to know if the user is viewing the home page or not?
Or do I do this with URL check?
Is their duplicate function built into 6?

in a page.tpl.php or similarly you can use $ is_front

$ is_front: TRUE if the current page is the front page

from:


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