Portlet Screen Chaining Problem

Hi all,
I've made a PDK-java portlet that is identicle to the multipage portlet example using JDeveloper. The portlet shows up fine on the page; however when I click on the "second page" link, I get the javascript error "Object expected". Reviewing the HTML source code I see that the link creates href="javascript:refreshPortlet(..."
I don't see the refreshPortlet function defined anywhere in the HTML code, which appears to be the problem.
Anyone seen this before or can provide any help?
Thanks in advance.

nvm. Changing the constructHTMLLink method to use UrlUtils.PAGE_LINK instead of UrlUtils.REFRESH_LINK (what's in the example) fixes the problem.

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