title: Parallax smooth scroll with trackpad too fast
body: <p>I've tried many js plug-ins. It works perfectly with a mouse wheel but scrolling is 'too fast' with my mac trackpad mouse. I think javascript can't detect if you are using a trackpad, right?</p>
  
  <p>Last plug-ins I tried are simplr-smoothscroll and Mousewheel. Here is the example.</p>
  
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  <p>any suggestion please?</p>