function print_rand_banner() {
var banners = ['<iframe src="http://rotabanner100.utro.ru/cgi-bin/iframe/5ballov?405496" width=100 height=100 marginwidth=0 marginheight=0 scrolling=no frameborder=0><a href="http://rotabanner100.utro.ru/cgi-bin/href/5ballov?405496" target=_top><img src="http://rotabanner100.utro.ru/cgi-bin/banner/5ballov?405496" alt="Ytro.Ru Баннерообменная сеть 100x100" width=100 height=100 border=0 ismap></a></iframe>', '<iframe src="http://mn3.ru/cgi-bin/iframe/5ballov?559893" width=100 height=100 marginwidth=0 marginheight=0 scrolling=no frameborder=0><a href="http://mn3.ru/cgi-bin/href/5ballov?559893" target=_top><img src="http://mn3.ru/cgi-bin/banner/5ballov?559893" alt="Media Network" width=100 height=100 border=0 ismap></a></iframe>', '<iframe src="http://mn3.ru/cgi-bin/iframe/5ballov?559893" width=100 height=100 marginwidth=0 marginheight=0 scrolling=no frameborder=0><a href="http://mn3.ru/cgi-bin/href/5ballov?559893" target=_top><img src="http://mn3.ru/cgi-bin/banner/5ballov?559893" alt="Media Network" width=100 height=100 border=0 ismap></a></iframe>', '<iframe src="http://mn3.ru/cgi-bin/iframe/5ballov?559893" width=100 height=100 marginwidth=0 marginheight=0 scrolling=no frameborder=0><a href="http://mn3.ru/cgi-bin/href/5ballov?559893" target=_top><img src="http://mn3.ru/cgi-bin/banner/5ballov?559893" alt="Media Network" width=100 height=100 border=0 ismap></a></iframe>'];
var rand_num = Math.round(Math.random() * (banners.length-1));
if(banners.length > 0 ) { document.write(banners[rand_num]); }
}