title: iMacros Element Not Found, how do I refresh page until element appears?
body: <p>I have a very simple iMacro for Firefox and all I want it to do is refresh a page until a missing element is found.</p>
  
  <p>VERSION BUILD=8601111 RECORDER=FX <br>
  TAB T=1<br>
  URL GOTO=<a href="http://fieldguided.bigcartel.com/product/light-as-a-feather-ice-cave" rel="nofollow">http://fieldguided.bigcartel.com/product/light-as-a-feather-ice-cave</a><br>
  TAG POS=1 TYPE=BUTTON FORM=ID:product_form ATTR=ID:add_to_cart</p>
  
  <p>I get the error:<br>
  RuntimeError: element BUTTON specified by ID:add_to_cart was not found, line: 5 (Error code: -921)</p>
  
  <p>How do I refresh the page until the button ID:add_to_cart appears?</p>