// JavaScript bit Document

var imglist = new Array(
	"bg01.css",
	"bg02.css",
	"bg03.css" );
var selectnum = Math.floor((Math.random() * 100)) % imglist.length;
var output = "<link href=/univ/common/css/" + imglist[selectnum] + " rel=\"stylesheet\" type=\"text/css\">";
document.write(output);