function BannerAd(position, width, height) {
	rand_num = Math.floor(Math.random()*10000000000);

	document.write('<A HREF="http://ads.cnpapers.com/RealMedia/ads/click_nx.ads/www.thisiswv.com/adredesign/banner-test.htm/' + rand_num +  '@' + position + '?X" target=_blank>');
	document.write('<IMG SRC="http://ads.cnpapers.com/RealMedia/ads/adstream_nx.ads/www.thisiswv.com/adredesign/banner-test.htm/' + rand_num +  '@' + position + '?X" BORDER=0 WIDTH=' + width + ' HEIGHT=' + height + '></A>');
	}