<script type="text/javascript">
function printLine(s){
    document.write(s,"<br />");
}
function timeParse(timeString,pattern){
    var date=new Date();
    var match=timeString.match(pattern);
    date.setYear(parseInt(match[1],10));
    date.setMonth(parseInt(match[2],10)-1);
    date.setDate(parseInt(match[3],10));
    date.setHours(parseInt(match[4],10));
    date.setMinutes(parseInt(match[5],10));
    date.setSeconds(0);
    return date;
}
Date.prototype.addTime=function(timeSpan){
    this.setYear(this.getYear()+timeSpan.years);
    this.setMonth(this.getMonth()+timeSpan.months);
    this.setDate(this.getDate()+timeSpan.days);
    this.setHours(this.getHours()+timeSpan.hours);
    this.setMinutes(this.getMinutes()+timeSpan.minutes);
}
Date.prototype.toString=function(){
    return this.getYear()+"-"
        +(this.getMonth()+1)+"-"
        +this.getDate()+" "
        +this.getHours()+":"
        +this.getMinutes();
}
function timeSpanParse(timeSpanString,pattern){
    var match=timeSpanString.match(pattern);
    var y=match[1]==""?0:parseInt(match[1]);
    var mon=match[2]==""?0:parseInt(match[2]);
    var d=match[3]==""?0:parseInt(match[3]);
    var h=match[4]==""?0:parseInt(match[4]);
    var m=match[5]==""?0:parseInt(match[5]);
    return {years:y,months:mon,days:d,hours:h,minutes:m};
}
var reg_time=/^(\d{1,4})\-(\d{1,2})\-(\d{1,2}) (\d{1,2}):(\d{1,2})$/;
var date=timeParse("2008-8-8 09:00",reg_time);
printLine(date);
var reg_timeSpan=/^(?:(\d+)年)?(?:(\d+)个?月)?(?:(\d+)天)?(?:(\d+)小时)?(?:(\d+)分钟?)?$/;


var timeSpan=timeSpanParse("10分",reg_timeSpan);
date.addTime(timeSpan);
printLine("增加10分钟后:"+date);


timeSpan=timeSpanParse("3小时10分",reg_timeSpan);
date.addTime(timeSpan);
printLine("增加3小时10分后:"+date);


timeSpan=timeSpanParse("2天3小时10分",reg_timeSpan);
date.addTime(timeSpan);
printLine("增加2天1小时5分后:"+date);


timeSpan=timeSpanParse("1个月1天1小时1分",reg_timeSpan);
date.addTime(timeSpan);
printLine("增加1个月1天1小时1分后:"+date);

timeSpan=timeSpanParse("2年1小时1分钟",reg_timeSpan);
date.addTime(timeSpan);
printLine("增加2年1小时1分钟后:"+date);
</script>