We are having this exact same problem, although it only seemed to pop
up with version 1.8.2.  We have been using 1.8.1 just fine.  Does
anyone else see this?

Joe

On Nov 4, 4:28 pm, Tom <[EMAIL PROTECTED]> wrote:
> I have found an issue with theautocompleterin IE7 where the first
> issued requests doesn't appear in the drop down box while the second
> and subsequent requests do.  The first request does successfully issue
> the ajax request and gets a response, it just isn't displayed.
>
> This works fine in FF and Chrome.
>
> I'm using 1.8.1 of script.aculo.us
>
> IE 7.0.5730.13
>
> The demo on the website forautocompleterworks fine.
>
> Example code that doesn't work.  User enters a partial zipcode and
> gets back a list of matching zipcodes (+ city and state)
>
> <code>
>
> <div>
>   <input type="text" size="30" maxlength="10" name="test_zip"
> id="test_zip" value="">
>   <span id="test_zip_indicator" style="display:none">Searching...</
> span>
>   <div id="test_zip_choices" class="autocomplete"></div>
> </div>
>
> <script type="text/javascript" language="javascript">
>
>   new Ajax.Autocompleter("test_zip",
>                          "test_zip_choices",
>                          "../ajax/zip_list",
>                          {minChars: 3,
>                           paramName: "zip",
>                           indicator: "test_zip_indicator"});
>
> </script>
>
> </code>
>
> This is a sample response back for '024'.
>
> <code>
>
>  <ul>
>
>   <li>02420<span class="informal"><br/>&nbsp;&nbsp;&nbsp;LEXINGTON,
> MA</span></li>
>
>   <li>02421<span class="informal"><br/>&nbsp;&nbsp;&nbsp;LEXINGTON,
> MA</span></li>
>
>   <li>02445<span class="informal"><br/>&nbsp;&nbsp;&nbsp;BROOKLINE,
> MA</span></li>
>
>   <li>02446<span class="informal"><br/>&nbsp;&nbsp;&nbsp;BROOKLINE,
> MA</span></li>
>
>   <li>02447<span class="informal"><br/>&nbsp;&nbsp;&nbsp;BROOKLINE
> VILLAGE, MA</span></li>
>
>   <li>02451<span class="informal"><br/>&nbsp;&nbsp;&nbsp;WALTHAM, MA</
> span></li>
>
>   <li>02452<span class="informal"><br/>&nbsp;&nbsp;&nbsp;WALTHAM, MA</
> span></li>
>
>   <li>02453<span class="informal"><br/>&nbsp;&nbsp;&nbsp;WALTHAM, MA</
> span></li>
>
>   <li>02454<span class="informal"><br/>&nbsp;&nbsp;&nbsp;WALTHAM, MA</
> span></li>
>
>   <li>02455<span class="informal"><br/>&nbsp;&nbsp;&nbsp;NORTH
> WALTHAM, MA</span></li>
>
> </ul>
>
> </code>
>
> The problem appears to be down in control.js.  Here is my work
> around / fix.  (478 is our internal subversion number for the original
> control.js).
>
> <code>
> ===================================================================
> --- controls.js (revision 478)
> +++ controls.js (working copy)
> @@ -65,11 +65,16 @@
>        function(element, update){
>          if(!update.style.position ||
> update.style.position=='absolute') {
>            update.style.position = 'absolute';
> +          try {
>            Position.clone(element, update, {
>              setHeight: false,
> -            offsetTop: element.offsetHeight
> -          });
> +                           offsetTop: element.offsetHeight});
> +          } catch (exception) {
> +            Position.clone(element, update, {
> +                           setHeight: false,
> +                           offsetTop: element.offsetHeight});
>          }
> +        }
>          Effect.Appear(update,{duration:0.15});
>        };
>      this.options.onHide = this.options.onHide ||
> </code>
>
> The first Position.clone call fails for some reason under IE7 while
> the second time it succeeds and the drop down complete box appears.
>
> If there is a better place to report or post this please let me know.
>
> Tom

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