Page spider similar to myspace friend adder

I am looking for a person who knows how to build a simple page spider that can : Step 1 - Spider links such as : [login to view URL] [login to view URL] [login to view URL] [login to view URL] so on until limit i specify Step 2- Scan and pick up Links after a specific text string such as : <span class="aspan">by <a href="http://www.thesite.com/link" Step 3- Ping those pages and select a specific text string javascript text <a href="javascript://" id="page_control-JoinButton">Specific Text</a></li> Step 4- It opens a js window asking you to Join or cancel,. we need to select join .. Then Move on to next link from step 2 - I will give more details, and walk you through it. I am looking for affordablity ! graphics etc do no matter... it should just be able to do this and support me logging into account My Budget is below 30! Looking for best price + feedback. Open That Page.. and then request a javascript text link - Join my Page