if else statement in PHP for Magento Site, need to hide on Homepage, checkout and success page

Here's what is currently working with not displaying on the homepage. And displaying on all other pages, need help not displaying on /checkout/cart/ and /onepage/ and onepage/successs.

<?php if(Mage::getBlockSingleton('page/html_header')->getIsHomePage()): ?>
<?php else: ?>

(Div I am trying to display only on pages other than homepage,checkout,success)

<?php endif; ?>