Banner = new Array();
Banner[1] = '<a href="http://pp123.nm.ru"<p>POWDER WIRE-pp123</a><img src="http://www.whispa.com/tracking/exposure.dll?248317" width="1" height="1" border="0"></a>';

var i = Math.round(Math.random() * 1 + 0.5);
document.write(Banner[i]);