Javascript 随机广告

HTML代码 function randomNumber(limit){ return Math.floor(Math.random()*limit+1); } n = randomNumber(2); switch (n) { case 1: document.write("<embed src=http://images.163.com/images/netease/search/20050914/250x200.swf quality=high pluginspage=http://www.macromedia.com/go/getflashplayer type=application/x-shockwave-flash width=250 height=200></embed>"); break case 2: document.write(""); break default : document.write(""); break }

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