do-not-lose-focus.html

<a href="http://stackoverflow.com/questions/9804280/how-to-prevent-focus-event-in-ie-when-mousedown-happens/17525223#17525223">http://stackoverflow.com/questions/9804280/how-to-prevent-focus-event-in-ie-when-mousedown-happens/17525223#17525223</a>
<br />

<input type="text" id="name">

<div onmousedown="return false" unselectable="on" id="suggest">
  <div unselectable="on">mark</div>
  <div unselectable="on">sam</div>
  <div unselectable="on">john</div>
</div>