Several changes for a Joovili Community Site

1) EMAIL CONFIRMATION LINKS Currently, when new members sign up for an account on my site, there's no way of verifying the email address they used is correct. I'd like a confirmation link sent via email for new members to activate their account before they can use it. 2) CONTRACTIBLE MY NOTES Currently, in the 'My Area' section, there's a DHTML window where members can keep private notes for themselves. I'd like to change this info to be displayed on the page, rather than in a seperate DHTML window. I'd like to use the 'Animated Collapsible Div' script from Dynamic Drive ([login to view URL]) to show/hide the notes on the page. The collapsible div should be located just below the "Welcome {username}" at the top of the page. 3) SEND PROFILE TO A FRIEND I'd like to add a button/link to the profile page where people can forward the profile to a friend. For members that are signed in, they can choose to forward the profile to another member, or they can choose to send the profile link to a friend's email if their friend isn't currently a member. Guests (or members that aren't logged in) can only send the profile link via email to their friend. 4) MEMBER BLOCKING I'd like to add another button/link to the profile page that allows the member to be blocked. If a Member One clicks the 'Block Me' button on Member Two's profile, then Member Two can no longer view Member One's profile page, add them to their buddy list, or send them PMs. A different page will display instead of Member One's profile. In the member's account (on [login to view URL]) there should be two more links, one that shows the member all the members they've blocked, and another to show all the members that have blocked them. And members should have the ability to later unblock other members if they choose. 5) MESSAGE BLOCKING Each member should have the ability to block private messages from other members based on age and sex. In the [login to view URL] page, members can choose to block messages from members under 18, members over 18, male members, and female members. These should be checkboxes so that each member can choose more than one group to block messages from. This would only block PMs, nothing else.