title: Why do i get redirected url as a relative to the current url?
body: <p>Why do i get this</p>
  
  <blockquote>
    <p><a href="http://localhost/CI/index.php/:/localhost/CI/shoppingcart/buy/1/" rel="nofollow">http://localhost/CI/index.php/:/localhost/CI/shoppingcart/buy/1/</a></p>
  </blockquote>
  
  <p>when what i want is this....</p>
  
  <blockquote>
    <p><a href="http://localhost/CI/shoppingcart/buy/1/" rel="nofollow">http://localhost/CI/shoppingcart/buy/1/</a></p>
  </blockquote>