Domyslam ze sie gryza css
oto moj kod
<script type="text/javascript"> function hideId(id) { document.getElementById(id).style.display = "none"; } </script> <style type="text/css"> #wnd { text-align:center; width:728px; height:90px; z-index:1; margin: 0 auto; position:fixed; } </style> <div id="wnd"> <script type="text/javascript"><!-- google_ad_client = "pub-8642763761544741"; /* 728x90, utworzono 11-04-14 */ google_ad_slot = "6259362263"; google_ad_width = 728; google_ad_height = 90; //--> </script> <script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> </script> </div>