//(c) ??????? ???????? 2002
//????? ????????? ???????? 
var num_of_banner_tren = 5;
//??? ??????? ?????? ?????? ????????? ????? num_of_banner_tren ??????????????
Banner_of_tren = new Array(num_of_banner_tren);
Banner_of_tren[0] = '<img src="img_title/stan-d-art_it_20050924_d_321_an.jpg" title="www.stan-d-art.spb.ru" width="764" height="260" hspace="0" vspace="0" border="0">';
Banner_of_tren[1] = '<img src="img_title/stan-d-art_it_20040430-20040509_pl_091_an.jpg" title="www.stan-d-art.spb.ru" width="764" height="260" hspace="0" vspace="0" border="0">';
Banner_of_tren[2] = '<img src="img_title/stan-d-art_it_20051007_d_040_an.jpg" title="www.stan-d-art.spb.ru" width="764" height="260" hspace="0" vspace="0" border="0">';
Banner_of_tren[3] = '<img src="img_title/stan-d-art_it_20051024_d_006_an.jpg" title="www.stan-d-art.spb.ru" width="764" height="260" hspace="0" vspace="0" border="0">';
Banner_of_tren[4] = '<img src="img_title/stan-d-art_it_20040430-20040509_pl_123_an.jpg" title="www.stan-d-art.spb.ru" width="764" height="260" hspace="0" vspace="0" border="0">';
//????????? ?????
function getrandom() {
	var min_random = 0;
	var max_random = num_of_banner_tren-1;
	max_random++;
	var range = max_random - min_random;
	var n=Math.floor(Math.random()*range) + min_random;
	return n;
}
//???????? ?? ?????? ????????? ?????
var i, j;
var flag; 
var banners_show = 1;
var rand = new Array(banners_show-1);
for (i=0; i<banners_show; i++) {
    do {
        flag=0;
        n = getrandom();
        for (j=0; j<i; j++) {
            if (n == rand[j]) {
                flag=1;
            }
        }
    } while (flag);
    rand[i] = n;
}
// ????? ??????? ?? ?????
function show_banner_tren(){
document.write(Banner_of_tren[rand[0]]);
}