Top Banner Div Hiding Ad, My top banner div hides the ad at the top. Options

[xcameronscottx]

My top banner div hides the ad at the top. I was wondering if there was maybe a code that allows you to take control of the top ad and put a z-index on it or somethin'. Any other solution is welcomed as well, of course.

Below is the code I use for all of my layouts' top banner divs:

CODE

<style>
.note {// TOP BANNER & DIVS //}
.profileWidth table { margin-bottom:1000px; width:800px; }
.rail { display:none; }

.topbannerhover {position: absolute; top:0px; left:50%; margin-left:-400px; _margin-left:-401px; width:800px; height:1000px; z-index:1;}

div.topbanner a:hover{
border-top: none;
opacity: 0.0;
filter: alpha(opacity=0);
width: 0px;
height: 0px;
z-index:1;
}

.topbanner {position: absolute; top:0px; left:50%; margin-left:-400px; _margin-left:-401px; width:800px; height:1000px; z-index:1;}
</style>

And of course the '<div class="blahblahblah">' codes after them.

Any help would be greatly appreciated.