tips = new Array(5);
tips[0] = "<a href='http://www.mustek.com.tw/html/prod_scan/ScEA3USB600Pro.html'><img src='http://www.mustek.com.tw/images/br_ScanExpressA3USB600PRO.jpg' border=0 width='738' height='121'></a><br>";
tips[1] = "<a href='http://www.mustek.com.tw/html/prod_scan/S40.html'><img src='http://www.mustek.com.tw/images/br_ScanExpressS40.jpg' border=0 width='738' height='121'></a><br>";
tips[2] = "<a'><img src='http://www.mustek.com.tw/images/m2.jpg' border=0 width='738 height='121'></a><br>";
tips[3] = "<a'><img src='http://www.mustek.com.tw/images/m3.jpg' border=0 width='738 height='121'></a><br>";
tips[4] = "<a href='http://www.mustek.com.tw/html/prod_scan/A6L/A6L-1.html'><img src='http://www.mustek.com.tw/images/br_A6L.jpg' border=0 width='738 height='121'></a><br>";
index = Math.floor(Math.random() * tips.length);
document.write("<center>" + tips[index] + "</center>");