I added an opacity to this cool hack... i also added it to a customed table... so notice the <td></td> tag....
if you want to lighten or darken the opacity... (transparency)
make the change here
<div id="search_results" class="smallfont" style="position:absolute; border: 5px solid #999999; color:white; filter:alpha(opacity=85); background-color: gray; width: 300px; padding: 8px; display:none">
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