if (self!=top)
{
  top.location.href=self.location.href;
}

function banner()
{
    var html_str = '';

    html_str+= '<table border = 0 cellpadding = 0 cellspacing = 0 widh = 100%>'
+'	 <tr>'
+'	  <td><img src = "images/banners.jpg"></td>'
+'	 </tr>'
+'	</table>';

document.write(html_str);
}