Sprint -- Form being submitted twice, IE only.

Up front I'll state that this probably has nothing to do with Java, but I'll throw it out here just in case.
On a particular page, when we put 19 or more items into a list in a form, when we submit that form, the onSubmit method of our subclass of org.springframework.web.servlet.mvc.SimpleFormController is getting called twice.
This happens in IE, but not in Opera or Firefox.
Because of the browser-specific nature of this problem, I'm pretty sure it's not related to Java, but if anybody has seen something like this before or has an idea where to start looking, I'd be very appreciative.
This stuff was developed before my time, and I just started looking at it, so I'm not very familiar with it. It uses javascript, freemarker, and spring, none of which I'm familiar with. The only detail I've found for sure is that onSubmit is being called twice, and I'm a bit buggered as to where to look now.
Thanks,
Jeff

Do the forms get submitted by using a javascript call to form.submit()?
And is that javascript function called from an onclick event on an input type="submit"?
That can (and does) result in a double submit in IE.
It does not in firefox.
Heres a quick jsp page that demonstrates this:
<%! int count = 0; %>
<html>
<% System.out.println("Running..." + count++ + "Browser = " + request.getHeader("user-agent")); %>
<script>
  function doStuff(button){
                 // submit via javascript
       button.form.submit();
</script>
<form>
  <input type="text" name="a1"/>
  <input type="text" name="a2"/>
  <input type="submit" onclick="doStuff(this)"/>
</form>
</html>This triggers two submits
- one for calling form.submit();
- one for pressing the submit button.
To fix - remove/cancel one of the submission events, any of the following should work:
- change the <input type="submit"> to an <input type="button">
- change the onclick event to be "doStuff(); return false": returning false from an onclick event handler cancels the event - in this case it would cancel form submission.
- remove the form.submit() javascript call
Cheers,
evanfets

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    hi
    change the type="button" in the following line
    <INPUT id="button" class="mediumtext" style="width:80px; height:20px;" type="submit" value="NewVersion" class="btn" >
    and call the javascript function on onClick in above line and dont call it from form(tat u hav done), remove it from form
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