form.html

<form method="post" 
      action="https://...some/form/action" 
      name="signup" 
      id="sadf22222" 
      accept-charset="UTF-8" 
      onsubmit="return verifyForm();" >
<input type="hidden" 
       class="ym_tag_with_click" 
       name="redirect" 
       value="http://example.com/trackme/yay/">
<input type="hidden"  
       class="ym_tag_with_click"  
       name="errorredirect" 
       value="http://www.viralstocks.com">

..... etc

</form>