又一种比较详细设置的倒计时[网页特效]

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<!-- //more javascript from http://www.webjx.com

var DifferenceHour = -1

var DifferenceMinute = -1

var DifferenceSecond = -1

var Tday = new Date("Janu 1, 2006 23:59:59")

var daysms = 24 * 60 * 60 * 1000

var hoursms = 60 * 60 * 1000

var Secondms = 60 * 1000

var microsecond = 1000

function clock()

{

var time = new Date()

var hour = time.getHours()

var minute = time.getMinutes()

var second = time.getSeconds()

var timevalue = ""+((hour > 12) ? hour-12:hour)

timevalue +=((minute < 10) ? ":0":":")+minute

timevalue +=((second < 10) ? ":0":":")+second

timevalue +=((hour >12 ) ? " PM":" AM")

// document.formnow.now.value = timevalue

var convertHour = DifferenceHour

var convertMinute = DifferenceMinute

var convertSecond = DifferenceSecond

var Diffms = Tday.getTime() - time.getTime()

DifferenceHour = Math.floor(Diffms / daysms)

Diffms -= DifferenceHour * daysms

DifferenceMinute = Math.floor(Diffms / hoursms)

Diffms -= DifferenceMinute * hoursms

DifferenceSecond = Math.floor(Diffms / Secondms)

Diffms -= DifferenceSecond * Secondms

var dSecs = Math.floor(Diffms / microsecond)

if(convertHour != DifferenceHour) document.formnow.dd.value=DifferenceHour

if(convertMinute != DifferenceMinute) document.formnow.hh.value=DifferenceMinute

if(convertSecond != DifferenceSecond) document.formnow.mm.value=DifferenceSecond

document.formnow.ss.value=dSecs

// document.formnow.Tnow.value= DifferenceHour DifferenceMinute + DifferenceSecond + dSecs

setTimeout("clock()",1000)

}

// end hiding -->

</script>

还剩<input type="text" name="dd" size=2> 天

<input type="text" name="hh" size=2> 小時

<input type="text" name="mm" size=2> 分

<input type="text" name="ss" size=2> 秒就到2006年1月1日 23:59:59啦！

</form>

说明:<br/>

各月份中英文对照<br/><br/>

一月 January<br/>

二月 February<br/>

三月 March<br/>

四月 April<br/>

五月 May

<br/>

六月 Jun<br/>

七月 July<br/>

八月 August<br/>

九月 September<br/>

十月 October<br/>

十一月 November<br/>

十二月 December

[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]