t:commandLink onclick event issue

Hi All,
Thanks to all of you for your previous valuable suggestions. Currently iam working on JSF1.1 where i need to implement a javascript window.confirm(...) when the user clicks on 'Delete' command link. The problem is when i click on 'Ok' button in the confirm window my javascript function returning true and the row gets deleted. And when i click on 'Cancel' button my javascript function returning false but still the row get deleted. Could you please suggest me on this.
My code is as follows.
<script type="text/javascript">
          function deleteConfirm() {
                    var response = window.confirm("Are you sure you want to Delete");
                    if(response) {
                         alert(response);
                         return true;
                    } else {
                         alert(response);
                         return false;
</script>
And my <t:commandLink> is as follows
<t:commandLink onclick="javascript:deleteConfirm(this);" actionListener="#{additionalInterestBean.deleteInterest}" action="additional_interest_list">
<h:outputText value="#{PolicyLabels['AdditionalInterestList.Delete']}" />
</t:commandLink>
Any help or suggestions will be highly appreciated.
Thanks
Krishna

Hi Niki,
Thanks for your suggestion. I tried the way as you suggested but didn't work. I am getting a javascript error on the status bar....done,with errors on page.
<t:commandLink onclick="return confirm('Are you sure you want to Delete');" actionListener="#{additionalInterestBean.deleteInterest}" >
<h:outputText value="#{PolicyLabels['AdditionalInterestList.Delete']}" />
</t:commandLink>

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First of all i would like to thank you all for your previous valuable suggestions. Currently i am working on a requirement where i have a <t:commandLink..>
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Hi Niki,
Thanks for your suggestion. I tried the way as you suggested but didn't work. I am getting a javascript error on the status bar....done,with errors on page.
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