Jquery Autocomplete and Auto Suggest

How do you stop the auto suggest feature from dropping down suggestions while using jquery autocomplete. The 开发者_开发技巧auto suggest is dropping down over the autocomplete selections. Its terribly annoying. I've tried z-index. Nothing seems to stop it.

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Most browsers support the autocomplete attribute on html input elements.

<input name="textBoxWithoutAutoComplete" autocomplete="off" value="This textbox won't have autocomplete" />

more info here http://msdn.microsoft.com/en-us/library/ms533486(v=vs.85).aspx