var adsurl = "http://hangzhou.hzcnc.com/shxw/201003/t20100312_1115608.shtml";
var adswihth = "960";
var adsheight = "70";
var adsfile = "http://ads.hzcnc.com/data/adsfile/201003/20100309/ad20100309397456179325.jpg"; 
document.write("<a href='");
document.write(adsurl);
document.write("' target='_blank'>");
var showimg = "<img src='" + adsfile + "' border='0' width='" + adswihth + "'  height='" + adsheight + "'>";
document.write(showimg);
document.write("</a>");