var banner = new Array(
"skin/images/top_banner.jpg",
"skin/images/top_banner02.jpg",
"skin/images/top_banner03.jpg",
"skin/images/top_banner04.jpg",
"skin/images/top_banner05.jpg",
"skin/images/top_banner06.jpg",
"skin/images/top_banner07.jpg",
"skin/images/top_banner08.jpg",
"skin/images/top_banner09.jpg",
"skin/images/top_banner10.jpg");
var number = Math.floor((Math.random() * 100)) % banner.length;
var header01 = "<div id=\"banner\" style=\"background-image: url(" + banner[number] + ");\">";
document.write(header01);