一个倒计时JS脚本

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var timedate = new Date("August 8,2008");
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var times = "2008北京奥运会";
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var now = new Date();
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var date = timedate.getTime() - now.getTime();
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var time = Math.floor(date / (1000 * 60 * 60 * 24) + 1);
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if (time >= 0) {
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  document.write("距离" + times + "还有" + time + "天");
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} else if (time <= 3) {
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  document.write("<font color=red>距离" + times + "还有" + time + "天</font>");
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}