<html:link> and javascript

Hello,

I have a link in my jsp  

<html:link  page="/doNotVerifyList.do?action=delete"  paramId="phone" paramName="resultsList" paramProperty="phoneNumber"><bean:message key="admin.console.verify.numbers.delete"/></html:link>

which deletes a record from the list of numbers.

When the user clicks on the link above, we need a javascript popup "Are you sure you want to delete the number?" with "OK" and "Cancel"

How I can achieve that?
Thanks.